Technical Specification for the Integrated Receiver Decoder
Contents
1. mda iDA Media Development Authority SINGAPORE DVB T2 Technical Telecommunications Panel Committee Standards Advisory TPC Committee TSAC 2 Generation Digital Terrestrial Television Broadcasting System DVB T2 Technical Specification Integrated Receiver Decoder IRD IDA MDA TS 2 IRD Issue 1 November 2012 Infocomm Development Authority of Singapore Resource Management amp Standards 10 Pasir Panjang Road 10 01 Mapletree Business City Singapore 117438 Media Development Authority of Singapore 3 Fusionpolis Way 1116 22 Symbiosis Singapore 138633 Copyright of IDA MDA 2012 This document may be downloaded from the MDA website at http www mda gov sg and the IDA website at http www ida gov sg and shall not be distributed without written permission from IDA IDA MDA TS DVB T2 IRD November 2012 Acknowledgement The Media Development Authority MDA the info communications Development Authority of Singapore IDA and the Telecommunications Standards Advisory Committee TSAC would like to acknowledge the following organisations represented in the MDA DVB T2 Technical Panel Committee TPC for their invaluable contributions to the formulation of the DVB T2 basic receiver technical specifications for Singapore MediaCorp Pte Ltd StarHub Ltd Sony EMCS M Sdn Bhd Panasonic Singapore R amp D Pte Ltd TP Vision Singapore Pte Ltd LG Electronics Singapore Pte2. 606 MHz 8 MHz UHF V 606 862 MHz 8 MHz Table 5 Mandatory Frequency Bands Maximum Frequency Offset The DVB T2 IRD shall be able to receive signals with an offset of up to 1 6 MHz from the nominal frequency Operating Modes 5 3 1 The DVB T2 IRD shall be able to demodulate all non hierarchical modes specified in the ETSI EN 300 744 10 The frontend shall work compatibly with any combination of constellation QPSK 16 QAM OR 64 code rate 1 2 2 3 3 4 5 6 or 7 8 guard interval Ty 4 8 Ty 16 or 32 and transmission mode 2k or 8k 5 3 2 The DVB T2 IRD shall be able to detect which DVB T2 mode is being used The DVB T2 parameters or modes are outlined in Table 6 Page 9 5 4 5 5 5 6 IDA MDA TS DVB T2 IRD November 2012 DVB T2 Parameter Mode Requirement Constellation QPSK 16 QAM 64 QAM or 256 QAM With or without constellation rotation Code Rate 1 2 3 5 2 3 3 4 4 5 or 5 6 Guard Interval 128 Ty 32 16 Ty 19 256 Ty 8 Ty 19 128 or 4 Transmission Mode Fast Fourier Transform FFT size 1k 2k 4k 8k normal 8k extended 16 normal 16k extended 32k normal or 32k extended Pilot Pattern PP PP1 PP2 PP3 PP4 PP5 PP6 or PP7 Antenna SISO or MISO Peak Average Power Ratio PAPR No PAPR reduction is used ACE PAPR is used TR PAPR is used or Both ACE and TR techniques are used For
3. 19 7 interval dB Echo level dBc 3dB 25 0 22 0 22 0 Echo level dBc 3dB 26 1 23 1 23 1 Echo level dBc Note The performance requirement is based on 30 seconds error free video Page 30 IDA MDA TS DVB T2 IRD November 2012 Annex F Proposed Logical Channel Numbering LCN Range MediaCorp s Free to Air FTA channel numbering on terrestrial platform 1 Preview Channel Define as Reserved 2 Channel 5 3 Channel 8 4 Suria 5 Vasantham 6 Channel News Asia 7 Channel U 8 31 IDA MDA TS DVB T2 IRD November 2012 Annex G List of Broadcast Descriptors Descriptors in use exclude data broadcasting Tag NIT SDT EIT TOT PMT network name descriptor 0x40 terrestrial delivery system descriptor 0x5A Ox7F 0x04 T2 delivery system descriptor ext i service_list_descriptor 0x48 t logical channel descriptor 0x83 private data specifier descriptor Ox5F service descriptor 0x41 multilingual service name descriptor 0 5 component descriptor 0x50 short event descriptor Ox4D extended event descriptor Ox4E local time offset descriptor 0x58 639 language descriptor Ox0A stream identifier descriptor 0x52 AC 3 descriptor 0x6A subtitling descriptor 0x59 teletext descriptor 0x56 video stream descriptor 0x02 audio stream d
4. 0x9 The DVB T2 IRD shall at least support DVB SSU simple profile The default DVB SSU mode for DVB T2 IRDs shall be with DVB SSU enabled User system software upgrade The DVB T2 IRD shall provide one or more of the following data interfaces to enable the user to perform software upgrades a Universal Serial Bus USB b RJ45 Ethernet IEE802 3 C Appropriate Memory Card Page 21 10 IDA MDA TS DVB T2 IRD November 2012 References 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 ETSI TS 101 154 v1 10 1 2011 06 Digital Video Broadcasting DVB Specification for the use of Video and Audio Coding in Broadcasting Applications based on the MPEG 2 Transport Stream 60065 Feb 2011 Audio video and similar electronic apparatus Safety requirements CISPR 13 Jun 2009 Sound and television broadcast receivers and associated equipment Radio disturbance characteristics Limits and methods of measurement CISPR 22 Sept 2008 Information Technology equipment Radio disturbance characteristics Limits and methods of measurement ITU T Rec H 222 0 ISO IEC 13818 1 2012 Information technology Generic coding of moving pictures and associated audio information Systems ITU T Rec H 262 ISO IEC 13818 2 2012 Information technology Generic coding of moving pictures and
5. 316 RCA phono Additional Requirements for Composite Video Interface For the analogue outputs the DVB T2 IRD standalone module shall also support insertion of the teletext data in the of the analogue CVBS video output In this case the teletext decoder of the TV set might be used instead of the one in the receiver The insertion shall be compliant with ITU R BT 653 3 20 The Teletext data shall be inserted in the lines 7 to 22 and lines 320 to 335 Analogue Audio The DVB T2 IRD standalone module shall provide RCA phono output interface for analogue stereo audio Digital Audio Data Stream Output Optional It is optional for the DVB T2 IRD to provide an S PDIF digital audio output electrical coaxial or optical TOSLINK The capabilities of this interface are defined in section 4 of this document Page 18 IDA MDA TS DVB T2 IRD November 2012 8 10 8 12 HDMI The DVB T2 IRD standalone module shall provide HDMI interface for digital video and audio output Copy Protection on Outputs The DVB T2 IRD standalone module shall provide High Bandwidth Digital Content Protection HDCP on the HDMI output for all output resolutions Common Interface Optional The DVB T2 IRD may incorporate a DVB CI Common Interface slot If available this slot shall be a certified Cl slot as outlined in Cl specification V1 3 meeting all the required robustness rules 7 Please note that such multimedia
6. H 264 AVC HP L4 25 Hz 16 9 1920 x 1080 HDTV interlaced Up sampling 25 Hz H 264 AVC HP L4 25 Hz 16 9 1920 x 1080 HDTV progressive Up sampling Optional Table 2 Video decoding to ITU T Rec H 264 or ISO IEC 14496 10 4 2 3 4 2 4 Aspect Ratio The DVB T2 IRD shall provide convenient user control for appropriate aspect ratio switching between 4 3 and 16 9 to adapt to display in different size and aspect ratio Active Format Description AFD When AFD is used the DVB T2 IRD shall present the video aspect radio properly according to the current AFD value and response in next frame as defined in the ETSI EN 101 154 Annex B The DVB T2 IRD shall support at least the Active Formats shown in Table 3 Refer to Annex A for the illustration on the required outputs based on the AFD values specified in Table 3 Active Format Aspect ratio of the area of interest 1000 Active format is the same as the coded frame 1001 Pillar box 4 3 centre 1010 Letter box 16 9 centre Table 3 Active format Table B 5 ETSI TS 101 154 i Please note that such video formats may be intellectual property of third parties Page 7 4 3 IDA MDA TS DVB T2 IRD November 2012 Audio D 4 3 1 4 3 1 1 4 3 1 2 ecoding 1 Layer II Audio The DVB T2 IRD shall comply with the implementation guidelines outlined 5 6 1 of ETSI TS 101 154 1 for decoding MPEG 1 Layer Il audi
7. Ltd Samsung Asia Pte Ltd SkyCom Satellite Systems Pte Ltd List of Technical Panel Committee members Mr Lim Chin Siang Media Development Authority Miss Tan Sze Siang Media Development Authority Miss Zoey Moh Media Development Authority Miss Agnes Chong Media Development Authority Mr Yong Seong Wei Media Development Authority Mr Calvin Lim Media Development Authority Mr Yeo Kim Pow MediaCorp Pte Ltd Mr Lau Hing Tung MediaCorp Pte Ltd Mr Roland Tan MediaCorp Pte Ltd Mr Tan Sai Yoon MediaCorp Pte Ltd Mr Peh Beng Yeow MediaCorp Pte Ltd Mr Tan Jek Thoon MediaCorp Pte Ltd Miss Ong Bee Lian StarHub Ltd Mr Lu Jin StarHub Ltd Mr Andrew Nai StarHub Ltd Mr Muzaffar Fakhruddin Sony EMCS M Sdn Bhd Miss Lee Shook Yee Sony EMCS M Sdn Bhd Mr William Wong Panasonic Singapore R amp D Pte Ltd Mr Philip Ong Panasonic Singapore R amp D Pte Ltd Mr Low Kwong Wai TP Vision Singapore Pte Ltd Mr Eric Poh TP Vision Singapore Pte Ltd Mr Hyek Seong Kweon LG Electronics Singapore Pte Ltd Mr Leon Chew LG Electronics Singapore Pte Ltd Mr Yogesh Thalpati Samsung Asia Pte Ltd Mr Sonu Mahajan Samsung Asia Pte Ltd Mr Simon Tso SkyCom Satellite Systems Pte Ltd Mr Ben Irol SkyCom Satellite Systems Pte Ltd Page ii IDA MDA TS IRD T2 November 2012 MDA and IDA would also like to acknowledge the work of the TSAC Working Group 3 TSAC WG3 in incorporating these recommended DVB T2 basic receiver technical specifications into this Specificati
8. Opennet Pte Ltd Page v IDA MDA TS DVB T2 IRD November 2012 Mr Aw Peng Soon Chairman of SiTF Wireless Chapter VP ANTLabs Singapore Infocomm Technology Federation Mr Huang Ee Choon Director Communications amp Information Technology Singapore Institute of Technology Mr Edmund Quek Associate Director Radio Network Performance Singapore Telecommunications Ltd Mr Lim Yong Nam Director Voice Engineering Next Gen IP Networks Singapore Telecommunications Ltd Mr Lee Yeu Ching Director Outside Plant Engineering Singapore Telecommunications Ltd Mr Soh Keng Hock Director Private IP Engineering Singapore Telecommunications Ltd Dr Wong Woon Kwong Director of the Office of Research and Industry Collaborations Singapore University of Technology and Design Mrs Leong Suet Mui Principal Technical Executive Standards Division Spring Singapore Mr Tay Wei Kiang Assistant Vice President Business Solutions amp Fixed Services StarHub Integrated Network Engineering StarHub Ltd Mr Liong Hang Chew Assistant Vice President Personal Solutions amp Integrated Applications StarHub Integrated Network Engineering StarHub Ltd Ms Woo Yim Leng Senior Manager Infocomm Development Authority of Singapore Page vi Content Section Title Page Introduction 2 Part A Basic DVB T2 IRD Requirements 3 1 Scope 3 2 General Requirements 3 3 Abb
9. STANDARD SPECIFICATION MAY INVOLVE THE USE OF INTELLECTUAL PROPERTY RIGHTS AND TAKE NO POSITION CONCERNING THE EXISTENCE VALIDITY AND OR APPLICABILITY OF ANY SUCH INTELLECTUAL PROPERTY RIGHTS WHETHER ASSERTED BY TSAC MEMBERS OR ANY THIRD PARTY AS OF THE DATE OF APPROVAL OF THIS STANDARD IDA AND MDA HAVE RECEIVED WRITTEN NOTICE ON PATENT RIGHTS WHICH MAY BE RELEVANT IN RELATION TO THE IMPLEMENTATION OF THIS STANDARD SPECIFICATION FOR EXAMPLE PLEASE NOTE THAT ITEMS RELATING TO VIDEO AUDIO CODEC INCLUDING BUT NOT LIMITED TO MPEG H 264 AND E AC3 MAY SUBJECT TO PATENT LICENSING HOWEVER IMPLEMENTERS ARE CAUTIONED THAT THIS MAY NOT REPRESENT THE LATEST INFORMATION AND ARE THEREFORE STRONGLY URGED TO CHECK WITH THE RELEVANT DATABASE IN ITU ISO IEC THE RELATED STANDARDS DEVELOPMENT ORGANISATION FOR INFORMATION OF PATENT RIGHTS IMPLEMENTERS ARE ADVISED TO OBTAIN THEIR OWN LEGAL AND OR TECHNICAL ADVICE IN RELATION TO THE IMPLEMENTATION OF THE STANDARD SPECIFICATION IF REQUIRED Page 1 IDA MDA TS DVB T2 IRD November 2012 Integrated Receiver Decoder IRD for use with the second generation Digital Terrestrial Television Broadcasting System DVB T2 Introduction 1 This Specification defines the requirements for the Integrated Receiver Decoder IRD functionality which may be incorporated as a standalone module such as receiver box an Integrated Digital Television IDTV or any other similar device intended for use with the se
10. Video Signal Page 5 4 1 4 2 IDA MDA TS DVB T2 IRD November 2012 Use of Video and Audio Coding in Broadcasting Applications based on the MPEG 2 Transport Stream Transport Stream Bit streams 4 1 1 The DVB T2 IRD shall comply with implementation guidelines outlined in 8 4 of ETSI TS 101 154 1 based on the MPEG 2 Transport Stream bit streams requirements defined in 2 4 of ITU T Rec H 222 0 ISO IEC 13818 1 5 The DVB T2 IRD shall be able to de multiplex and present programs according to the Program Specific Information PSI defined 2 4 of ITU T Rec H 222 0 ISO IEC 13818 1 5 The Transport Stream supports the multiplexing of video and audio compressed streams from one program with a common time base or from multiple programs with independent time bases Programs are composed of one or more elementary streams each labelled with a Packet Identifier PID The DVB T2 IRD shall be able to handle simultaneously at least 32 PIDs and elementary streams The DVB T2 IRD shall be able to skip over data structures which are currently reserved 4 1 of ETSI TS 101 154 1 The DVB T2 IRD shall operate over the full tolerance range of the system clock frequency as specified 5 2 4 2 1 of ITU T Rec 222 0 ISO IEC 13818 1 5 The DVB T2 IRD shall operate correctly with Program Clock References PCRs for a program arriving at intervals not exceeding 100 ms as specified in 5 2 7 2 of ITU T Rec H
11. guidelines given in ETSI TR 101 211 12 and requirements defined in ETSI EN 300 468 13 The receiver shall also be able to continue to operate in the absence of EIT transmission EPG Presentation EPG presentation shall include but not limited to the followings service name program title program duration elapsed duration optional short description long description extended text present following now next event Q 9o20209g Page 15 7 3 IDA MDA TS DVB T2 IRD November 2012 7 2 8 29 7 2 4 7 2 5 h current date time i parental guidance information The receiver shall provide an EPG organizer to access Next seven day program guide with all information in above list It should be a practical and easy to use search function Languages and Fonts For EPG and other labeling decoding and presentation the receiver shall support the character coding tables specified in below table Font Coded Character Set First byte value Latin ISO 6937 N A Chinese GB18030 2005 0x11 and 0x15 Tamil Unicode range U 0B80 U 0BFF 0x11 and 0x15 Optional Note The first byte value is signalled according to ETSI EN 300 468 Annex A 13 GB18030 2005 characters are broadcasted as ISO 10646 UTF 16 or UTF 8 code points The receiver is not required to support code points beyond the Basic Multilingual Plane Parental Lock Feature The DVB T2 IRD shall have parental lock capabilit
12. of audio the maximum timing misalignment between audio and video in reference with Program Clock Reference PCR time stamp carried by Video shall be confined within 20 ms 4 3 6 Loudness Matching Optional The DVB T2 IRD should apply format dependent attenuation to decoded stereo PCM audio in order to achieve loudness alignment between different input formats 4 3 7 Audio Description The DVB T2 IRD shall support audio description in Broadcast mix mode according to Annex E of ETSI 101 154 1 Please note that such audio formats may be intellectual property of third parties Same as footnote 5 Page 8 IDA MDA TS DVB T2 IRD November 2012 5 1 5 2 5 3 Frontend Characteristics General Considerations The DVB T2 IRD shall be compatible with the DVB T baseline system according to the ETSI EN 300 744 10 and the DVB T2 baseline system according to the ETSI EN 302 755 11 for digital terrestrial TV DTT and able to receive DTT services in the existing VHF and UHF spectrum allocation for analogue transmissions It is required that the DVB T T2 system will provide sufficient protection against high levels of Co Channel Interference and Adjacent Channel Interference ACI emanating from existing PAL and digital TV services Note Support for DVB T2 Lite is optional Transmission Frequencies and Signal Bandwidths Band Frequency Range Signal Bandwidth VHF Ill 174 280 MHz 7 MHz UHF IV 470
13. to identify the channel list uniquely allocated within each original_network_id The user should be able to select a preferred channel list to be used when several are available during the first time installation or complete re installation channel_list_name_length This 8 bit field specifies the number of bytes that follow the channel_list_name_length field for describing characters of the name of the Channel List Maximal length is 23 bytes for the channel_list_name char This is an 8 bit field A string of character fields specify the name of the channel list the channel_list_name Maximal length is 23 bytes for the channel_list_name Text information is coded using the character sets and methods described in EN 300 468 country_code This 24 bit field identifies a country using the 3 character code as specified in ISO IEC 3166 14 Each character is coded into 8 bits according to ISO IEC 8859 1 15 and inserted in order into the 24 bit field This shall be set to SGP service_id A service_id that belongs to the TS i e services from other TS shall not be listed One service may only be listed once in each channel list but may belong to be listed in more than one channel list visible service flag This 1 bit field when set to 1 true indicates that the service is normally visible and selectable subject to the service type being suitable etc via the DVB T2 IRD s service list When set to 0 false this indica
14. 222 0 ISO IEC 13818 1 5 Video Decoding 4 2 4 The DVB T2 IRD shall comply with the implementation guidelines outlined in 5 1 and 5 2 of ETSI TS 101 154 for decoding MPEG 2 video The DVB T2 IRD shall be able to decode video formats as specified in Table 1 based on the ITU T Rec H 262 ISO IEC 13818 2 6 DVB T2 IRD Bit stream Frame Rate Aspect Ratio Luminance Resolution 25 Hz MPEG 2 MP ML 25 Hz interlaced 4 3 or 16 9 720 x 576 SDTV Use of pan Capable of decoding 8 5 1 of ETSI TS vectors and up lower picture resolutions 101 154 sampling Table 1 Video decoding to ITU T Rec H 262 ISO IEC 13818 2 Please note that such video formats may be intellectual property of third parties Page 6 IDA MDA TS DVB T2 IRD November 2012 422 DVB T2 IRD shall comply with the implementation guidelines outlined in 5 5 5 6 and 8 5 7 of ETSI TS 101 154 1 for decoding H 264 AVC video The DVB T2 IRD shall be able to decode video formats as specified in Table 2 based on the ITU T Rec H 264 ISO IEC 14496 10 7 DVB T2 IRD Bit stream Frame Rate Aspect Ratio Luminance Resolution 25 Hz 264 HP L3 25 Hz 4 3 or 16 9 720 x 576 SDTV interlaced Frame cropping Capable of decoding 5 6 of ETSI TS lower picture 101 154 resolutions 50 Hz H 264 AVC HP L4 50 Hz 16 9 1280 x 720 HDTV progressive Up sampling With backward compatibility 8 5 7 of ETSI TS 101 154 25 Hz
15. 9 The input impedance shall be 75 ohm RF Output Connector The DVB T2 IRD without an integrated display should provide a connector with a loop through of input RF signal a The connector shall be of type IEC male in accordance with IEC 60169 part 2 19 b The frequency range for the RF loop through should be from 47 MHz to 862 MHz c The RF loop through signal shall be present independently from the status of the DVB T2 IRD device operational or standby such that that connected equipment e g TV set can operate even if the device is in standby mode d When the RF bypass gain is disabled the maximum RF bypass gain should 4dB and when the RF bypass gain is enabled the RF bypass gain should be from 1 dB to 3 dB Modulator output Optional The DVB T2 IRD without an integrated display should provide a re modulated output for use with a PAL receiver If so the output must be tuneable to any of UHF channels 21 to 68 The peak signal level should be 3 mV nominal across 75 ohm 39 dBm Antenna Output Power Optional It is optional for the receiver to provide 5V DC output for the active antenna power supply If it is provided the 5V DC shall be able to be turned on off Component Analogue Outputs Optional It is optional for the receiver to provide component analogue output YPbPr Composite Video Outputs For DVB T2 IRD standalone module the composite video output shall comply with PAL Connector IEC 48B Section
16. Enhanced Teletext Specification IEC 60169 2 1995 Radio frequency connectors Part 2 Coaxial unmatched connectors ITU R Rec BT 653 3 02 1998 Teletext systems ETSI TS 102 006 v1 3 2 2008 07 Digital Video Broadcasting DVB Specification for System Software Update in DVB Systems ETSI TS 102 366 v1 2 1 2008 8 Digital Audio Compression AC3 Enhanced AC3 Standard Page 22 IDA MDA TS DVB T2 IRD November 2012 Part B Additional DVB T2 IRD Requirements for supporting Multi channel Audio Multi channel Audio 1 Format The DVB T2 IRD shall identify accept and decode input bit streams in the following formats a E AC3 as specified in ETSI TS 102 366 22 and b MPEG 4 HE AAC version 2 Level 4 as defined in ISO IEC 14496 3 9 Metadata The DVB T2 IRD shall apply bit stream metadata parameters and down mix multi channel input configurations to stereo PCM for Enhanced AC 3 in accordance with guidelines given in ETSI TS 102 366 20 and MPEG 4 HE AAC as specified in ISO IEC14496 3 9 and ETSI TS 101 154 1 Pass through The DVB T2 IRD shall pass through the native audio elementary input bit stream over the HDMI output for standalone module or ARC output for DVB T2 IRD where applicable as well as the optical coaxial output where applicable Trans coding The DVB T2 IRD shall trans code audio and metadata from E AC3 input bit streams to AC 3 output bit streams at a data rate of 640kbps The DVB T2 IRD shall tr
17. age The DVB T2 IRD shall be able to handle multiple subtitling streams within the same service and the correspondent PSI SI information like languages descriptors The receiver shall provide convenient user control for enabling disabling displaying and to select primary and secondary subtitling languages In case of subtitling is set to ON and the subtitle streams do not match any of the settings of preferred languages the receiver shall select the first subtitle stream signaled in the elementary stream loop of the PMT The recommended factory default setting The default setting on the receiver for subtitling set to ON The primary preferred language set to Multiple Languages MUL The secondary preferred language set to Multiple Languages MUL Support for hearing impaired The DVB T2 IRD shall have user selection of subtitling preferences for normal or hard of hearing subtitles In case of hard of hearing subtitling mode is selected and if hard of hearing hearing impaired pages are received signalised in subtitling descriptor and or teletext descriptor then the receiver shall as a default use normal subtitling pages from the same selected language 7 2 Electronic Program Guide EPG 7 2 1 7 2 2 Specification for EPG The DVB T2 IRD shall decode full EIT information with capability to display present following or Now Next and schedule EPG information in accordance with
18. anscode audio and metadata from MPEG 4 HE AAC input bit streams to an AC 3 output bit stream at a data rate of 640kbps or alternatively to a DTS output bit stream at a data rate of 1 5 Mbps The number of channels on the output AC 3 or DTS bit stream shall be equal to or greater than the number of channels contained within the input bit stream The AC 3 or DTS bit stream shall be provided over the following outputs a S PDIF and b HDMI output for standalone module or ARC output for DVB T2 IRD where applicable Please note that such audio formats may be intellectual property of third parties Same as footnote 8 Page 23 IDA MDA TS DVB T2 IRD November 2012 5 Decoding amp Presentation Options for Multi Channel Decoder Codec Analogue Output Speaker IDTV Optical Coaxial S PDIF HDMI E AC3 multi channel Down Mixed Stereo Trans code to AC 3 bit stream and pass through POM stereo Pass through of E AC3 bit stream Trans code to AC 3 bit stream and pass through PCM stereo and multi channel MPEG 4 HE AAC Down Mixed Stereo Trans code to AC 3 or Pass through of HE AAC multi channel DTS bit stream and bit stream pass through Trans code to AC 3 or PCM stereo DTS bit stream and pass through Pass through of HE bit stream PCM stereo and multi channel Note Only applicable to DVB T2 IRD with HDMI Only applicable to DVB T2 IRD wit
19. associated audio information Video ITU T Rec H 264 ISO IEC 14496 10 01 2012 Infrastructure of audiovisual services Coding of moving video Advanced video coding for generic audiovisual services ISO IEC 13818 3 Apr 1998 Information technology Generic coding of moving pictures and associated audio information Part 3 Audio ISO IEC 14496 3 Sep 2009 Information technology Coding of audio visual objects Part 3 Audio ETSI EN 300 744 v1 6 1 2009 01 Digital Video Broadcasting DVB Framing structure channel coding and modulation for digital terrestrial television ETSI EN 302 755 v1 3 1 2012 04 Frame structure channel coding and modulation for a second generation digital terrestrial television broadcasting system DVB T2 ETSI TR 101 211 v1 9 1 2009 06 Digital Video Broadcasting DVB Guidelines on implementation and usage of Service Information SI ETSI EN 300 468 v1 13 1 2012 04 Digital Video Broadcasting DVB Specification for Service Information SI in DVB systems ISO IEC 3166 1 Countries and Subdivisions Codes 2006 ISO IEC 8859 Information technology 8 bit single byte coded graphic character sets 1998 ETSI EN 300 743 v1 4 1 2011 10 Digital Video Broadcasting DVB Subtitling systems ETSI EN 300 472 v1 3 1 2003 05 Digital Video Broadcasting DVB Specification for Conveying ITU R System B Teletext in DVB bitstreams ETSI EN 300 706 v1 2 1 2003 04 Digital Video Broadcasting DVB
20. ch Mr Darwin Ho Kang Ming Vice President Association of Telecommunications Industry of Singapore Mr Yip Yew Seng Honorary Secretary Association of Telecommunications Industry of Singapore Mr Goh Kim Soon SVP Technology Support Technology Support IMD Mediacorp Pte Ltd Mr Lim Chin Siang Director Interactive Digital Media Programme Office Media Development Authority Ms Tan Sze Siang Deputy Director Digital Broadcasting Deployment Office Media Development Authority Mr Patrick Scodeller Chief Technical Officer M1 Limited Mr Lee Wing Kai General Manager Engineering Radio Planning M1 Limited Assoc Prof Li Kwok Hung Nanyang Technological University School of Electrical amp Electronic Engineering Assoc Prof Xiao Gaoxi Nanyang Technological University School of Electrical amp Electronic Engineering Assoc Prof Hari Krishna Garg National University of Singapore Department of Electrical amp Computer Engineering Prof Ko Chi Chung National University of Singapore Department of Electrical amp Computer Engineering Assoc Prof Tham Chen Khong National University of Singapore Department of Electrical amp Computer Engineering Mr Chong Siew Loong Vice President Network and Systems Nucleus Connect Pte Ltd Mr Tiong Onn Seng Director Project amp Operations Opennet Pte Ltd Mr Daniel Teo Director Technical Services
21. ch Ser REMEN NEVOIA Director of services APAC EMEA Dr Stan Hu Shenggang 99 TTE TCL Thomson Electronics Innovation amp Technology Mgmt CTO Office 34 V One Multimedia Pte Ltd Mr Thye Seng CEO Page iv IDA MDA TS IRD T2 November 2012 Telecommunications Standards Advisory Committee TSAC The TSAC advises IDA on the setting of ICT standards as well as on the development and recommendation of specifications standards information notes guidelines and other forms of documentation for adoption and advancement of the standardisation effort of the Singapore ICT industry hereafter termed IDA Standards Telecommunications standards setting in Singapore is achieved with the assistance of TSAC where professional trade and consumer interest in telecommunications standards is represented on the TSAC with representatives from network and service operators equipment suppliers and manufacturers academia and researchers professional bodies and other government agencies List of Members TSAC Chairman Mr Raymond Lee Director Resource Management amp Standards Infocomm Development Authority of Singapore TSAC Members Mr Lim Yuk Min TSAC Vice Chairman Deputy Director Resource Management and Standards Infocomm Development Authority of Singapore Dr Tan Geok Leng Acting Executive Director Institute for Infocomm Research I2R Agency for Science Technology and Resear
22. cond generation Digital Terrestrial Television broadcasting system DVB T2 The requirements for advanced features such as Personal Video Recorders PVRs and interactive services are not included in the scope of this Specification This Specification is established to enable equipment manufacturers and or suppliers to bring in compatible DVB T2 IRD modules and IDTVs that will provide good indoor reception of Free To Air FTA Digital Terrestrial Television DTT services For the purpose of this Specification the IRD functioning as standalone modules or built in modules of IDTVs shall be termed DVB T2 IRD This Specification comprises 2 parts Part A on Basic DVB T2 IRD Requirements which specifies the minimum requirements for using the DVB T2 IRD with DTT networks and Part B on Additional DVB T2 IRD Requirements for supporting Multi channel Audio Part B is to be applied in addition to Part A for DVB T2 IRDs that are capable of supporting the multi channel audio feature defined therein Page 2 IDA MDA TS DVB T2 IRD November 2012 Part A Basic DVB T2 IRD Requirements Scope Part of this Specification 3 defines the minimum requirements for the DVB T2 IRD in accordance with the implementation guidelines outlined in the DVB Specification for the use of video and audio coding in broadcasting applications based on the MPEG 2 transport stream ETSI TS 101 154 1 The minimum functionality of the DVB T2 IRD shall be defin
23. de Page 28 IDA MDA TS DVB T2 IRD November 2012 Annex E DVB T2 Performance Requirements Overall FFTSize 32K 16K 16K 16K 16K GI 1 32 1 16 1 16 1 16 1 16 SISO MISO SISO SISO SISO SISO SISO PAPR TR TR TR TR TR Bandwidth 8MHz 8MHz 8MHz 8MHz 8MHz Carrier Mode Extended Extended Extended Extended Extended Pilot Pattern PP4 PP2 PP2 PP2 PP2 L1 Modulation BPSK BPSK BPSK BPSK BPSK Data Symbols per Frame Ldata 61 130 130 130 130 OFDM Symbols per Frame Lf 62 131 131 131 131 Frame Duration ms 229 250 250 250 250 Frames Per SuperFrame 2 2 2 2 2 PLP Parameter PLP Type 1 1 1 1 1 Time Interleaver Type TIME IL Type 0 0 0 0 0 Modulation 256 QAM 64QAM 64QAM 64QAM 256QAM Rate 2 3 3 5 2 3 3 4 3 5 Normal Normal Normal Normal Normal FEC Type 64k 64k 64k 64k 64k Rotated QAM No No No No No E a m w om sw m TI blocks per frame N TI 3 3 3 3 3 Frame Interval JUMP 1 1 1 1 1 78 84 84 84 84 Approx Time Interleaving Length ms Approx Channel Data Rate Mbit s 37 66 23 48 26 12 29 39 31 41 8MHz UHF 8MHz UHF 8MHz UHF 8MHz UHF 8MHz amp BandIV amp Band IV amp Band IV amp Band IV amp Performance assuming implementation losses is 2dB for PP2 and 1 5dB for PP4 V V V V V isis on Gaussian channel 20 4 14 8 16 2 17 7 19 4 v END des on OdB echo channel 24 6 18 0 19 7 22 0 23 1 Minimum receiver signal input levels on p E E Gauss
24. decode the SI data in the Transport Stream bit streams which provides users with information to select services so that the DVB T2 IRD can automatically configure itself for the selected service The DVB T2 IRD shall comply with the implementation guidelines outlined in the ETSI TR 101 211 12 for the use of DVB SI as specified in the ETSI EN 300 468 13 The SI table mechanism syntax and semantics and minimally the Service Description Table SDT the Event Information Table EIT and the Time and Date Table TDT shall be supported System Timing The DVB T2 IRD shall make use of Time and Date Table TDT for the device system time or Real Time Clock setting Optional and Unrecognised SI Optional For DVB T2 IRD with recording features it is recommended that Selection Information Table SIT be supported for partial transport stream selection and recording Support of Bouquet Association Table BAT Stuffing Table ST and Data Information Table DIT is optional The DVB T2 IRD shall ignore any incomprehensive SI or tables The DVB T2 IRD shall discard any PSI SI signals if it is unrecognised or not supported PSI SI and PID Update The DVB T2 IRD shall be able to monitor and update all PSI with shorter than 100 ms interval and all SI with less than 1000 ms interval The DVB T2 IRD shall update PSI SI information in memory whenever any update or modification happens on a real time basis The DVB T2 IRD shall take prompt actio
25. e tag of 0x55 as outlined in EN 300 468 13 alongside with the country code SGP The rating value parental rating code carried by this descriptor is associated with the matrix table shown below for on screen display and channel block DVB parental rating codes for Singapore Fes etx o E ae 1 pd Parental Suitable all but parents Guidance should guide young Suitable for pesons aged 13 ES PG13 Boso and above parental guidance advised for children under 13 No Children Suitable for pesons 16 Lira E and above RR RE Broadcaster End Code of Transmitted Content ern above Where the broadcasted rating value is not classified grey area the DVB T2 IRD shall interpret the rating to be the next higher classification Example If 0x05 is transmitted it shall be treated as 0x07 PG13 By choosing a higher classification it gives better protection in case the intent is to transmit a higher classification Grey fill area are reserved for future use E g New classification rating in future will be fitted into the grey area Reference to the above Yellow Box The column Parental Rating Code Hex code is transmitted together with the television program DVB T2 IRD should be able to identify the assigned hex code according to the classification code Example When user selects to block PG13 pro
26. ed by the following dimensions a 25 Hz and 50 Hz b SDTV and HDTV C Input and Output interfaces d MPEG 2 and H 264 AVC video coding formats and e MPEG 1 Layer Il E AC3 and MPEG 4 HE AAC audio coding formats Part A of this Specification also requires that the DVB T2 IRD be capable of decoding Singapore s FTA DVB T and DVB T2 broadcast of television radio and enhanced services 4 This shall include the following capabilities a Subtitling where available and selected by viewer b Audio Description Electronic Program Guide d Teletext e Parental Lock Feature and f Multiple Audio Selection Note Unless otherwise specified all requirements are mandatory The word Recommended means this item is not mandatory but is highly recommended 2 1 2 2 2 3 General Requirements Power Supply The DVB T2 IRD may be AC powered or DC powered For AC powered equipment the Specification shall be complied with when operating from an AC mains supply of voltage 230V 1096 and frequency 50 Hz 2 Where external power supply is used e g AC adaptor it shall not affect the capability of the equipment to meet the Specification Safety Requirements The DVB T2 IRD shall be tested for compliance with the International Electrotechnical Commission IEC 60065 2 safety standards Electromagnetic Compatibility EMC Requirements The DVB T2 IRD shall comply with 5 3 55 6 and 55 7 of ISO IEC CISPR13 3 or e
27. escriptor 0x03 content descriptor 0x54 parental rating descriptor 0x55 Enhanced AC 3 descriptor Ox7A descriptor 0 7 Descriptors required for SSU Tag NIT SDT EIT TOT PMT linkage descriptor Ox4A Data broadcast id descriptor 0x66 7 Note The list is not exhaustive it shows the typical descriptors that may be broadcast by terrestrial broadcasters Page 32
28. grams with classification Undefined General G and Parental Guidance PG are allowed to display on screen while programs with classification PG13 NC16 M18 and R21 are blocked from viewing until the user entered the pin to unblock the program Page 27 IDA MDA TS DVB T2 IRD November 2012 Annex D Basic and Digital TV Function Keys The DVB T2 IRD s remote control shall include the following keys for basic TV functionality or equivalent a Power on off on off turn the DVB T2 IRD on and off b Program up down P P switch between programs c Volume up down V V adjust the volume output level d Subtitle option Subt option display the subtitle or select other user selectable options e g change subtitling language if several available audio language track if several available video aspect ratio output format etc e Info Info display additional information if available The DVB T2 IRD s remote control shall include the following keys for digital TV functions or equivalent Anavigation or pointing system for navigation on the OSD b OK OK a function that selects or confirms current choice or statement c Multifunctional keys four color coded keys for non dedicated functions The colors shall be red green yellow and blue d Text Text This function displays the Teletext as defined in this Specification e Guide EPG Guide This function displays an Electronic Program Gui
29. h S PDIF 6 Audio Description Table 9 Presentation Options for Multi Channel Decoder The DVB T2 IRD shall support audio description in Receiver mix mode according to Annex E of ETSI 101 154 1 Page 24 IDA MDA TS DVB T2 IRD November 2012 Annex A AFD Illustration for Required TV Output Display The illustration below is the required outputs based on the AFD values specified in Table 3 of section 4 2 4 Page 25 IDA MDA TS DVB T2 IRD November 2012 Annex B Broadcast Channel Numbers and Centre Frequencies Bandwidth Channel Pod Bandwidth Channel MHz Number MHz MHz Number MHz TV 7 5 177 5 TV 8 38 610 BAND 6 184 5 BAND 39 618 I 7 191 5 V 40 626 8 198 5 41 634 9 205 5 42 642 10 212 5 43 650 11 219 5 44 658 12 226 5 45 666 TV 8 21 474 46 674 BAND 22 482 47 682 IV 23 490 48 690 24 498 49 698 25 506 50 706 26 514 51 714 27 522 52 722 28 530 53 730 29 538 54 738 30 546 55 746 31 554 56 754 32 562 57 762 33 570 58 770 34 578 59 778 35 586 60 786 36 594 61 794 37 602 62 802 63 810 64 818 65 826 66 834 67 842 68 850 69 858 Page 26 IDA MDA TS DVB T2 IRD November 2012 Annex C Classification Code Matrix The EIT will carry DVB parental rating descriptor with th
30. ian channel dBm 78 7 84 3 82 9 81 4 79 7 Minimum IRD Signal Input Levels 0dB 2 d T echo channel dBm 74 5 81 1 79 4 77 1 76 0 Receiver noise figure on Gaussian 6 0 6 0 6 0 6 0 6 0 channel Maximum Receiver Signal Input Levels 35 35 35 35 35 dBm E o na Immunity to digital signals in Other Channels Digital ACI N 1 C l dB 28 34 32 31 28 IDA MDA TS 2 IRD November 2012 Digital ACI N 2 dB Digital ACI N 9 C I dB Immunity to Co Channel Interference From Analogue TV Signals PAL B G dB Immunity to Adjacent Channel Interference PAL B G ACI N 1 dB PAL B G ACI N 2 dB PAL B G ACI C I N 9 dB Performance in Time Varying Channels 10Hz doppler 5Hz after AFC 20us 0dB echo Synchronisation for varying echo power levels in SFN dB C N l Performance in Single Frequency Networks for more than one echo dB Performance in Single Frequency Networks inside the guard interval dB Performance in Single Frequency Networks outside the guard Delay us 266 230 200 150 120 120 150 200 230 266 38 44 28 34 5 3 From Analogue Signals 33 39 44 50 44 50 28 1 21 0 24 6 18 0 24 6 18 0 Echo level Echo level dBc dBc 12 9 11 8 10 7 6 3 2 2 2 2 6 3 10 7 11 8 12 9 3dB 22 7 19 7
31. ies to block television program with a particular Classification Code from being shown unless the correct personal identification number PIN code is entered by the user The DVB T2 IRD must be able to identify the Classification Code that is applied to the television program and shall allow user to set the rating that he she wants to block The matrix table which shows the list of Classification Code and their assigned hexadecimal code is attached in Annex C The Classification Codes are defined as follows a General G Suitable for all ages b Parental Guidance PG Suitable for all but parents should guide their young c Parental Guidance 13 PG13 Suitable for persons aged 13 and above but parental guidance is advised for children below 13 d No Children Under 16 NC16 Suitable for persons aged 16 and above e Mature 18 M18 Suitable for persons aged 18 and above and f Restricted 21 R21 Restricted to persons aged 21 and above Parental Rating Display The parental rating information shall be displayed clearly as part of EPG The parental rating descriptor shall be transmitted and the full parental rating information shall be appended to the front of the program title or program description by the broadcaster Manufacturers can add additional displays of programme ratings but they must display the full rating information Multi Language Support The DVB T2 IRD shall provide a mechanism for the
32. interface for transferring data may have intellectual property of third parties Page 19 9 1 9 2 9 3 9 4 9 5 9 6 IDA MDA TS DVB T2 IRD November 2012 Firmware Operation Operating System and Memory The DVB T2 IRD shall have an embedded real time operating system It shall include a non volatile memory for retaining user settings and other data First time Power Up Upon powering up for the first time the DVB T2 IRD shall initiate the following process a Set OSD language Default English b Set active antenna power if available Default Off c Prompt tuning scanning for all available FTA services and d Setother configurations user data preferences etc Initial Channel Scan The tuning scan process should be manually initiated to prevent scanning before the antenna is connected The DVB T2 IRD shall do a full scan of all available services in all the TV broadcast bands starting with VHF TV Band Ill to UHF Band The DVB T2 IRD s scan process shall include all possible combinations of OFDM parameters until the transmission parameters are found Subsequent Power On The DVB T2 IRD shall return either to last watched or preset start up service Listing of all available services The DVB T2 IRD shall provide a listing of all available FTA services after scanning Responses to Network Changes 9 6 1 Addition of multiplex on a network When a multiplex is added to the network it shall make refere
33. ltant Ms Asha Hemrajani 16 Nokia Siemens Networks Head of Global WCDMA Sales Kiyoshi Tanaka 17 NTT Singapore Pte Ltd Senior Research Engineer NTT Cyber Solutions Labs Mr Poh Kwee Heng 18 Nucleus Connect Senior Manager Panasonic R amp D Center Singapore Mr Steve Ng Swee Peng PRDCSG R amp D Project Leader Mr Giulio Dorrucci 20 PGK Media Pte Ltd Chairman amp CEO Page iii IDA MDA TS DVB T2 IRD November 2012 S N Organisation Name Mr Danny Wilson 21 Pixelmetrix Corporation CEO 4 Mr Winson Wee Hock Soon 22 Reachfield IT Solutions Pte Ltd VP of Client Engagement and Projects Mr Stephen 23 Sanshin Electronics Singapore Pte Ltd Senior Sales Manager 24 ServTouch WyWy S Pte Ltd Mi DE 2 Mr Francis Ho 25 Singapore Press Holdings Ltd Systems Specialist Em Mr Yeo Kian Ann 26 Singapore Telecommunications Ltd Director Network Systems Engineering Mr Chan Kar Wai Dennis 27 Sino Huawei Technologies Pte Ltd Senior Account Manager Mr Adam Leong Kim Whye 28 StarHub Ltd Manager Digital TV Master Control Broadcast Broadband and Cable Services Mr Yutaka Majima 29 Assistant General Manager Sumitomo Electric Interconnect IPTV Development Products Singapore Pte Ltd Mr Ken Usui 30 Manager IPTV Marketing Mr Yap Chern Nam 31 Temasek Polytechnic Lecturer Mobile and Wireless Computing Mr Vincent Volk Leonovit
34. n with changes or modifications on the parameters of transmissions networks and services Dynamic Response to PAT PMT NIT and SDT Updates The DVB T2 IRD shall be capable to identify changes or new services in the current channel multiplex Service Identification and Logical Channel Number LCN The DVB T2 IRD shall be able to automatically scan through the whole frequency range available for each of the available Tuners Demodulators and tune in to the correct DVB framing structure channel coding and modulation to deliver the incoming transport stream to the next units The tuning data shall be stored to allow a quick tune in to the selected transport stream The DVB T2 IRD shall support LCN by using descriptor with tag value is 0x83 Version 1 and 0x87 Version 2 All services shall be sorted listed and managed accordingly with assigned LCN In case duplicated and conflicted LCNs are found shall be given to services with better signal quality other services shall be arranged to reserved LCN range The channel map shall be from 1 999 with valid LCN s is being assigned in the range from 1 799 by the broadcaster Contain all types of services including Radio Data Video The LCN reserved range is set from 800 999 The assigned private data specifier is Ox00000019 Broadcaster will be assigned with the logical channel numbering LCN range for terrestrial FTA channels to facilitate easy access to these channels For example by pre
35. nce in the second loop of the NIT actual table The NIT actual and SDT actual and other version number shall be changed The DVB T2 IRD shall recognise the change of version number of the NIT table and that a new transport stream id is present in the NIT actual 9 6 2 Addition or removal of service on a multiplex When service has been added to a multiplex there shall be an update in the SDT actual for that multiplex which references the new service The DVB T2 IRD shall consider a service to be removed from a multiplex if the service is not referenced in the SDT actual of that particular service A rescan of any or all the terrestrial multiplexes shall not be required for the DVB T2 IRD to acknowledge the presence of a new service The DVB T2 IRD shall process the SDT actual and EIT present following actual when tuning to a different multiplex or every 2 seconds as recommended by ETSI TR 101 211 12 When a new service is added or removed from a multiplex the DVB T2 IRD may inform the user that a new service has been added or removed using an appropriate DVB T2 IRD specific method e g a short screen pop up lasting not more than 3 seconds Page 20 IDA MDA TS DVB T2 IRD November 2012 9 7 9 8 9 9 9 10 9 12 9 6 3 Transmission mode change In the event that there is any transmission mode changes the DVB T2 IRD shall automatically perform update to capture these changes without disruption to the viewe
36. o based on ISO IEC 13813 3 8 in single mono dual joint stereo and stereo modes with bit rates between 64 kbit s and 256 kbit s and sampling rates of 32 kHz 44 1 kHz and 48 kHz The DVB T2 IRD shall provide convenient user control for appropriate audio output format switching between different audio modes 4 3 2 4 HE AAC Version 2 Audio Level 4 The DVB T2 IRD shall comply with the implementation guidelines outlined in 6 4 and Annex C5 of ETSI TS 101 154 1 for decoding MPEG 4 HE AAC version 2 audio Level 4 and sampling rates of up to 48 kHz based on ISO IEC 14496 3 9 The DVB T2 IRD shall apply bit stream metadata parameters and down mix multi channel input configurations to stereo PCM 4 3 8 Decoding amp Presentation Options for 2 Channels of Decoder Output Codec Analogue Output Optical Coaxial HDMI Speaker IDTV S PDIF MPEG 1 Layer II Mono Stereo PCM stereo PCM stereo MPEG 4 HE AAC Mono Stereo PCM stereo PCM stereo Pass through of HE Pass through of AAC bit stream HE AAC bit stream Note Only applicable to DVB T2 IRD with HDMI Only applicable to DVB T2 IRD with S PDIF Table 4 Presentation Options for 2 Channels of Decoder Output 4 3 4 Audio handling when changing service or audio format The DVB T2 IRD should gracefully handle change of service or audio format at the audio outputs without significant disturbances to the end user 4 3 5 Lip Sync For all supported formats
37. on IDA MDA TS DVB T2 IRD Issue 1 Technical Specification for Integrated Digital Receiver for use November 2012 with second generation Digital Terrestrial Television Revision 0 broadcasting system DVB T2 TSAC WG3 Chairman Dr Yau Wei Yun I2R ASTAR TSAC Editor s Ms Woo Yim Leng IDA Ms Tan Sze Siang MDA List of Members S N Organisation Name Mr Lai Fon Lin Project Manager A Star Institute for Infocomm Research Dr Shao Xu Scientist Dr Tham Jo Yew Mr Poonacha Machaiah Above Technologies Pte Ltd Chairman amp CEO Mr Vincent Hendrata 5 Advanced Digital Broadcast Sales Director Mr Philippe GERARD 6 Singapore amp Brunei Alcatel Lucent Singapore Ms Ek LiLing IPTV Solutions Architect Mr Daniel Oh 8 Aztech Technologies Pte Ltd VP of Sales Mr Vinson Chua Greative Technology Ltd Business Director Internet Services Mr Sanjay Rekhi 10 Ite Techno gy nee tee Manager IPTV Market Development APAC Mr Toh Yung Shing VP Projects amp Development Mr Lui Wai Leong 12 Analyst Industry Policy Development Policy Media Development Authority Mr Yong Seong Wei 13 Analyst Broadcast Technology IT amp Technology sd Mr Alex Tan s MT Limited Director Product Development 15 Network for Electronic Transfers Mr Johnny Chung Singapore Pte Ltd Principal Consu
38. quivalent based on ISO IEC CISPR 22 4 Please note that such coding formats may be intellectual property of third parties Same as Footnote 1 Page 3 2 4 IDA MDA TS DVB T2 IRD November 2012 Identification of Equipment The DVB T2 IRD shall be marked with the supplier or manufacturer s name or identification mark and the supplier or manufacturers model or type reference The markings required shall be legible indelible and readily visible Abbreviations AC Alternating Current ACE Active Constellation Extension AC 3 Dolby Digital 5 1 Channel AFC Automatic Frequency Control ARC Audio Return Channel Advanced Video Coding BAT Bouquet Association Table BER Bit Error Rate BPSK Binary Phase Shift Keying BW Bandwidth CGMS A Content Generation Management System Analog CSS Content Scramble System CVBS Composite Video Baseband Signal DC Direct Current DIT Data Information Table DRM Digital Right Management DTCP Digital Transmission Content Protection DTS Digital Theatre System DVB T2 Digital Video Broadcasting Terrestrial Second Generation DVB SI Digital Video Broadcasting Service Information E AC3 Enhanced AC3 Dolby Digital Plus EIT Event Information Table ETSI European Telecommunications Standards Institute FEF Future Extension Frame FFT Fast Fourier Transform FTA Free To Air GMT Greenwich Mean Time HDCP High Bandwidth Digital Content Protection HDMI High Definition Multimedia Inte
39. r 9 6 4 Clash resolution The DVB T2 IRD shall base on the PDS Private Data Specifier before assigning LCN to the services and put other services if any with the same LCN from undefined PDS to reserved LCN range Signal strength and quality bar The DVB T2 IRD shall be able to display both signal strength and quality BER level This will aid the user in setting up indoor antenna to ensure best reception position or identifying other reception problems Service unavailability In the event of service unavailable poor or no RF signal the DVB T2 IRD shall display an on screen message Hardware reset reboot factory default setting The DVB T2 IRD shall support hot reset cold reset and a full reset to manufacturer s default start up settings Channel zapping time The channel zapping time between channels within same multiplex shall be between 1 5 to 2 seconds It shall be met for a GOP length of 12 and a repetition rate of PAT and PMT of 10 tables per second Interruption to viewer during channel zapping shall be kept at minimal System software update SSU OTA OAD The DVB T2 IRD shall be able to support Over The Air firmware upgrade by using System Software Update mechanism in accordance with standard of ISO IEC 13818 1 5 ETSI TS 101 154 1 and ETSI TS 102 006 21 The DVB T2 IRD shall automatically detect and invoke OTA SSU service by recognized Organization Unique Identifiers OUI in the NIT linkage with type value as
40. reviations 4 4 Use of Video and Audio Coding in Broadcasting Applications 6 based on the MPEG 2 Transport Stream 5 Frontend Characteristics 9 6 Service Information SI 11 7 Services 15 8 Interfaces and Connectors 18 9 Firmware Operation 20 10 References 22 Part B Additional DVB T2 IRD Requirements for supporting Multi 23 channel Audio AnnexA AFD Illustration for Required TV Output Display 25 Annex B Broadcast Channel Numbers and Centre Frequencies 26 Annex C Classification Code Matrix 27 Annex D Basic and Digital TV Function Keys 28 Annex E DVB T2 Performance Requirements 29 Annex F Proposed Logical Channel Numbering Range 31 Annex G List of Broadcast Descriptors 32 NOTICE THE INFOCOMM DEVELOPMENT AUTHORITY OF SINGAPORE IDA AND THE MEDIA DEVELOPMENT AUTHORITY OF SINGAPORE MDA MAKE NO WARRANTY OF ANY KIND WITH REGARD TO THE MATERIAL PROVIDED HEREIN AND EXCLUDE ANY EXPRESS OR IMPLIED WARRANTIES OR CONDITIONS OF NON INFRINGEMENT MERCHANTABILITY SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE SUBJECT TO THE MAXIMUM EXTENT PERMITTED UNDER LAW IDA AND MDA SHALL NOT BE LIABLE FOR ANY ERRORS AND OR OMISSIONS CONTAINED HEREIN OR FOR ANY LOSSES OR DAMAGES INCLUDING ANY LOSS OF PROFITS BUSINESS GOODWILL OR REPUTATION AND OR ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE USE OF THIS MATERIAL IDA AND MDA DRAW ATTENTION TO THE POSSIBILITY THAT THE PRACTICE OR IMPLEMENTATION OF THIS
41. rface HE AAC High Efficiency Advanced Audio Coding HEM High Efficiency Mode HP High Profile LCD Logical Channel Descriptor LCN Logical Channel Number LDPC Low Density Parity Check NF Noise Figure NIT Network Information Table MFN Multiple Frequency Network MP Main Profile MPEG Moving Pictures Expert Group OAD Over Air Download OTA Over the Air OUI Organization Unique Identifiers PAT Program Association Table PAPR Peak to Average Power Ratio PCM Pulse Code Modulation PCR Program Clock Reference PES Packetized Elementary Stream PID Program Identification Descriptor PMT Program Management Table PP Pilot Pattern PLP Physical Layer Pipe Page 4 IDA MDA TS DVB T2 IRD November 2012 PSI PTS QAM QEF QPSK RF SDT SFN SI SIT S PDIF SQB SSI ST TDT TOT TPS TR TS RST RTC UHF UTC VBI VHF YCbCr YPbPr Program Specific Information Presentation Time Stamp Quadrature Amplitude Modulation Quasi Error Free Quadrature Phase Shift Keying Radio Frequency Service Description Table Single Frequency Network Service Information Selection Information Table Sony Philips Digital Interface Signal Quality Bar Signal Strength Indicator Stuffing Table Time and Date Table Time Offset Table Transmitter Parameter Signalling Tone Reservation Transport Stream Running Status Table Real Time Clock Ultra High Frequency Universal Time Clock Vertical Blanking Interval Very High Frequency Component
42. selection of primary and secondary language options for both Subtitles and Audio selection The receiver shall as a minimum interpret the language codes outlined in the table below Page 16 IDA MDA TS DVB T2 IRD November 2012 7 4 7 5 ISO 639 3 Code ENG ZHO MSA TAM QAA MUL Original Audio is only applicable for Audio Multiple Languages is only applicable for Subtitle Teletext The DVB T2 IRD shall be able to demultiplex in parallel the Teletext service transmitted in a packetised format according ETSI EN 300 472 17 The DVB T2 IRD shall be able to display Teletext service meeting the requirements for at least Level 1 5 in ETSI EN 300 706 18 Enhanced Teletext specification Remote Control Interface A Remote Control shall be bundled with the DVB T2 IRD It should be simple and easy to use Basic functionality such as power volume control and numerical number 0 9 shall be placed on prominent locations on the remote control Colour coded multifunctional buttons shall be included to enhance user experience and ease the navigation on the receivers The list of basic and digital TV function keys is attached in Annex D Page 17 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 8 9 IDA MDA TS DVB T2 IRD November 2012 Interfaces and Connectors RF Input Connector The DVB T2 IRD shall have one input tuner connector type IEC female in accordance with 60169 2 part 2 1
43. service list 0 The service is invisible and not selectable via the DVB T2 IRD service list however the DVB T2 IRD may provide a mechanism to access these services reserved This 5 bit field is reserved for future use shall be set to 1 logical channel number This is a 10 bit field which indicates the broadcaster preference for ordering service The channel map shall be from 1 999 A broadcaster may or may NOT allocate more than one Logical Channel Number to a service This is to avoid multiple LCN assignment which could lead to cross reference and confusion Page 12 IDA MDA TS DVB T2 IRD November 2012 6 6 2 Logical Channel Descriptor Version 2 The syntax of the Logical Channel Descriptor version 2 is shown in below Table 8 Syntax No of Identifier bits Logical channel descriptor 8 Uimsbf descriptor tag 8 Uimsbf 8 Uimsbf descriptor length for i 0 i lt N i 8 Uimsbf channel_list_id 8 Uimsbf channel_list_name_length Uimsbf for i O i lt N i 24 Uimsbf char 8 Uimsbf Bslbf country code 16 Bslbf descriptor_length Uimsbf for i 0 i lt number_of_services i 1 service_id 5 visible_service_flag 10 reserved_future_use logical_channel_number Table 8 Syntax and Semantics of the Logical Channel Descriptor Version 2 descriptor_tag This shall be assigned to be 0x87 decimal 135 channel_list_id This is an 8 bit field which serves as a label
44. ssing 2 on remote control will allow user to switch to Channel 5 3 to switch to Channel 8 See Annex F for the proposed Channel Numbering Range for FTA channels Page 11 IDA MDA TS DVB T2 IRD November 2012 6 6 1 Logical Channel Numbering LCN The intention of the LCN service information is to provide a broadcaster assigned virtual channel number or label for each of the available DTV services to the DVB T2 IRD so the DVB T2 IRD is able to easily facilitate the channel sorting indexing ordering and searching The LCN descriptor also defines visibility of the service to the viewer The syntax and semantics of the logical channel descriptor is indicated in Table 7 below as follows Syntax Bits Identifier logical channel descriptor descriptor tag 8 uimsbf descriptor length 8 uimsbf for i 0 i lt N i service id 16 uimsbf visible service3 flag 1 bslbf reserved 5 bslbf logical_channel_number 10 uimsbf Table 7 Syntax and Semantics of the Logical Channel Descriptor descriptor tag This shall be assigned to be 0x83 service id This is a 16 bit field which serves as a label to identify this service from any other service within the Transport Stream The service id is the same as the program number in the corresponding program map section Services shall be included irrespective of their running status visible service flag zd The service is visible and selectable via the DVB T2 IRD
45. tes that the DVB T2 IRD is not expected to offer the service to the user in normal navigation modes however the DVB T2 IRD should provide a mechanism to access these services for example by direct entry of the logical Page 13 IDA MDA TS DVB T2 IRD November 2012 6 6 3 6 6 4 channel number Reserved All reserved bits shall be set to 1 observe however that the DVB T2 IRD shall be able to handle neglect future use of reserved bits logic channel number The channel map shall be from 1 999 with valid LCN s is being assigned in the range from 1 799 by the broadcaster Contain all types of services including Radio Data Video Logical Channel Descriptor Simultaneous Version 1 and Version 2 Transmissions When both Logical Channel Descriptor version 1 and version 2 are broadcasted within one Original Network ID the DVB T2 IRD supporting both descriptors shall only sort according to the version 2 higher priority Listing of Broadcast Descriptors The list of broadcast descriptors is attached in Annex G Page 14 IDA MDA TS DVB T2 IRD November 2012 7 Services 7 1 Subtitling 7 1 1 Specification for Subtitling The DVB T2 IRD shall support DVB subtitling in accordance with ETSI EN 300 743 16 and displayed using the On Screen Display OSD capabilities while decoding the full television service video and audio The subtitle object code shall be handled as pixels bitmap Multiple Subtitling Langu
46. ward Error Correction FEC Frame Length 64 800 bits for normal FECFRAME 16 200 bits for short FECFRAME Input Mode single PLP or B multiple PLPs Mode Adaptation Normal Mode NM or High Efficiency Mode HEM Note Support for Pilot Pattern 8 is optional Table 6 DVB T2 Parameters Modes DVB T2 Performance Requirements The performance requirements of the DVB T2 IRD shall be measured according to the list modes outlined in Annex E Performance in Time Varying Channels The increase in required C N for QEF reception shall be less than 3 dB for a 0 dB echo with frequency separation equal to 10 Hz and a delay of 20 us corresponding to a Doppler shift of 5 Hz after AFC compared to a 0 dB echo with frequency separation equal to 1 Hz and a delay of 20 us corresponding to a Doppler shift of 0 5 Hz after AFC Operation in Single Frequency Network SFN The DVB T2 IRD shall be able to operate in SFN with echo signals within the guard interval When the DVB T2 IRD tunes to a mix of two signals from a SFN where the received signals are close in amplitude it is recommended that the DVB T2 IRD selects the best signal Page 10 IDA MDA TS DVB T2 IRD November 2012 6 1 6 2 6 3 6 4 6 5 6 6 Service Information SI Use of DVB Service Information SI In addition to the PSI defined in 2 4 of ITU T Rec H 222 0 ISO IEC 13818 1 5 the DVB T2 IRD shall be able to
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