R&S DIRECTV tool for converting 130-byte-based
Contents
1. TSGENERATOR MENU FILE STATUS HELP HARDKEY PLAY FILE STOP TS DATA RATE TRO8_300_bts trp 00 00 00 000 SSS 43 248 307 mois SELECTION FAVORITES OPEN PLAY FILE d TSGEN DIRECTV TR08_300_bts trp PLAYER Eimine SETTINGS FILE DATE SIZE 2006 12 14 37 8967 MByte _ INTERFACE SETTINGS ORIG LOOP TIME TS D RATE S bit s _ SERVICE SETTINGS PLAYER OFF RECORDER INTERFACE SETTINGS TIMING SETTINGS TS DATA RATE 43 848 397 Mbit s z PLAY WINDOW START 0 000 s PLAY WINDOW STOP 7 249 s PLAY WINDOW SIZE LIMIT OFF PCR JITTER OFF E eaw Steer Stor woow eats Fig 73 TRP player settings in TSGen To choose a file click OPEN PLAY FILE and select the converted DIRECTV file trp format OPEN PLAY FILE will be functional only if no other file is being played If any other file is played first STOP the running file MM SFU TSGENERATOR MENU FILE STATUS HELP HARDKEY d TSGENDIRECTY NAME y e e _ CHANNELS 2SAR15_300_bts trp 27 4MB 06 12 14 16 52 26 _ DATA 3_300_bts 37 9MB 06 12 14 16 52 58 _ FADING _ New Folder _ NOISE _ PHASENOISE QUICK _ amp TSGEN _ DVBH H264 ISDBT T DMB_DAB TCM TSREC e STREAMS 4 FREE DISK SPACE 9 0 GB FILE NAME FILE TYPE TRANSPORT STREAM TRP T10 GTS BIN DAB DAB_C NEW Fig 8 Selecting a file to play After s2. Example bts2tro TRO8_300 bts TRO8_300_bts trp In the above case TRO8_300 bts is the name of the input file Source file with packets that are 130 bytes in length 7RO8 amp _300_bts trp is the converted file 7 If the conversion was successful the following output will appear and an additional file that has the extension trp and contains the converted stream will be present in the folder Fig 4 Console output of R amp S DIRECTV tool 6 Procedure for R amp S TRP Player The output of the tool is a binary file in trp format which is to be loaded or directly converted onto the second hard disk R amp S SFU B6 of the R amp S SFU or copied to another transport stream player such as the R amp S DVRG In the first case the R amp S SFU B4 R amp S SFU B6 and R amp S SFU K22 options are required in order to store and play the stream 1 Select APPL Tx TV Test Transmitter 2 Change the frequency and level in the Tx window according to the application 3 In the MODULATION menu Select SIGNAL SOURCE DTV TRANSMISSION STANDARD DIRECTV 7BM69_0E 6 Rohde amp Schwarz R amp S DIRECTV tool for converting 130 byte based DIRECTV streams to ISO 13818 1 188 bytes MPEG format Wi SFU TRANSMITTER MENU DOR FILE STATUS HELP HARDKEY FREQUENCY LEVEL STANDARD CONSTELL SYMBOLRATE 1000 000 0000MHz 10 00 aam DIRECTV QPSK 20 000 msis NOISE OFF SELECTION MODULATION FAVORITE
3. How R amp S DIRECTV Tool Operat ccccccccsecceseeccsecceeeeceeeceeeesseesaes 4 4 How to Install and Use R amp S DIRECTV Tool 5 5 Procedure for R amp S TRP E a PEE E ENA EE 6 SEE E D EIA E EEA A OAE EE EN 9 7 ee o gt 981 gt Pe ee ee oe eee eee 9 8 Additional Information ccc cec cc ecececeeeeeeeeeneeeeeeeneeeseueseeesaueeaeeseeeeaeenes 9 9 Ordering WATOLIMALON lt oxiia sonactesannaveeadrieanncnanbiaxaandiandancinwnenadnentcncampnrassomne 10 The R amp S logo Rohde amp Schwarz and R amp S are registered trademarks of Rohde amp Schwarz GmbH amp Co KG and its subsidiaries 7BM69_0E 2 Rohde amp Schwarz 1 Overview R amp S DIRECTV tool for converting 130 byte based DIRECTV streams to ISO 13818 1 188 bytes MPEG format As the field of digital transmission has evolved many digital TV broadcast standards have arisen One of them is DIRECTV a standard owned by a private direct broadcast satellite service with the same name based in California USA The DIRECTV standard uses transport streams with transport packets that have a length of 130 bytes This differs from the more common 188 byte based ISO 13818 1 MPEG streams The packet length of 130 bytes is incompatible with the interfaces of the R amp S SFU R amp S DIRECTV tool is provided by Rohde amp Schwarz as a means of converting existing 130 byte based DIRECTV transport streams to 188 byte based ISO 138181 1 MPEG streams that are co
4. as shown below The tool then encapsulates the 57 stuffing bytes and the 130 bytes of the DIRECTV content packet as payload in an MPEG packet with a single byte header 0x47 for playout DVB sync byte Stuffing DIRECTV packet 1 1 57 bytes 130 bytes The ISO 13818 1 standard 0x47 MPEG sync header and 188 byte length allow the SPI interface to synchronize and normally process the stream When the R amp S SFU is in DIRECTV modulation mode the internal coder removes the MPEG sync header and 57 stuffing bytes again before transmission Therefore only the original DIRECT content will be transmitted by the instrument The hex editor image below shows the first two packets of a converted transport stream The 0x47 sync byte as well as the 57 0x00 stuffing bytes preceding the original 130 DIRECTV packets are clearly visible T T I 2 a E 3 E E m a I Pf OL E WL LW LU LI z P o0000010h o00000z0h o0000030h o0000040h adds OOOOO06Oh oo0000070h o0000080h o00000s0h OOO0000ae0h 000000b0h opoo00coh 000000d0h 000000e0h 00 ji 00 oo 00 oO 00 OO oO oo oo 000000f0h I 0 oo 00 00 Poara ee HARE 00000100h N Ott tusw 9E 00000110h a S e 0 7 2q oo0oo1z0h GREp ddopod2 Yu 00000130h BADE 6e c9q g 00000140h GAYOTSE6S0E4 ep 6 Fig 10x47 sync byte an
5. 3 085 6704 02 085 7650 02 085 7 650 02 085 8746 02 085 7 706 02 DY H264 284 Stream Library DYV HDTY HDOTY Sequences DYV ISDBT ISDB T Stream Libra DV TOM Test Cand M Streams i ae see a i olz a5 3 as ch Dele RBIS Ela s fae 3 To learn more about Rohde amp Schwarz products visit our website or contact your local sales representative ROHDE amp SCHWARZ ROHDE amp SCHWARZ GmbH amp Co KG Muhldorfstrafe 15 D 81671 M nchen P O B 80 14 69 D 81614 Munchen Telephone 49 89 4129 0 Fax 49 89 4129 13777 Internet http Awww rohde schwarz com This Application Note and the supplied programs may only be used subject to the conditions of use set forth in the download area of the Rohde amp Schwarz website 7BM69_0E 10 Rohde amp Schwarz
6. MB SFU TRANSMITTER MENU FILE STATUS HELP HARDKEY FREQUENCY LEVEL STANDARD CONSTELL SYMBOLRATE 000 000 0000 mez 10 0048m DIRECTV QPSK 20 o00usi NOISE OFF FAVORITES FREQUENCY LEV Products Broadcast Test System R amp S SFU R amp S DIRECTV tool for converting 130 byte based DIRECTV streams to ISO 13818 1 188 bytes MPEG format for R amp S SFU TRP player Application Note DIRECTV a digital TV broadcast system makes use of transport packets with a length of 130 bytes rather than the more common 188 bytes used in MPEG TS streams The inputs on the R amp S SFU do not accept transport streams in the DIRECTV format This Application Note introduces R amp S DIRECTV tool and explains how it can be used to convert existing 130 byte based DIRECTV transport stream content to 188 byte based ISO 13818 1 streams that are compatible with the R amp S SFU SPI input or the internal R amp S SFU TRP player This tool is intended for Rohde amp Schwarz customers who are licensed to operate an R amp S SFU K9 DIRECTV coder or R amp S SFU K108 AMC coder amp ROHDE amp SCHWARZ Subject to change Ankita Pande 07 2007 7BM69_0E R amp S DIRECTV tool for converting 130 byte based DIRECTV streams to ISO 13818 1 188 bytes MPEG format Contents T OVON ee ee oe eee en en ee Reon eS RR oR 3 2 Hardware and Software Requirement cccccccseseeseeeeeeeeeeeeeaeeeeeeeees 3 3
7. S MODULATION oN z ESE SIGNAL SOURCE DTV LEVEL MODULATION TRANSMISSION STANDARD DIRECTV TE spectrum NORMAL _ SETTINGS SIGNAL INFO STAT INTERFERER SOURCE NONE CODING BACK INPUT SIGNAL _ CODING _ SPECIAL _ SETTINGS IMPAIRMENTS NOISE E Sai MOD ERROR ON OFF DETAILS Fig 5 Settings in the MODULATION menu 4 In the CODING menu SOURCE TS PLAYER or SPI front back and note the reading of REQ SOURCE DATA RATE MM SFU TRANSMITTER MENU POX FILE STATUS HELP HARDKEY FREQUENCY LEVEL STANDARD CONSTELL SYMBOLRATE 1000 000 0000 MHz 10 00 aem DIRECTV QPSK 20 000 sis OF oo Hii OFF SELECTION __ INPUT SIGNAL FAVORITES SOURCE TSPLAYER 7 ed REQ SOURCE DATA RATE 43 848 397 Mbit s MODULATION MAX USEFUL DATA RATE 30 320 700 Mbit s _ MODULATION USEFUL DATA RATE 30 321 Mbitis __ SETTINGS ae _ SIGNAL INFO STAT CODING _ CODING _ SPECIAL _ SETTINGS IMPAIRMENTS NOISE MOD NOISE SET TO ERROR ON OFF ON OFF STANDARD DETAILS Fig 6 Settings in CODING menu 5 If the source is TS PLAYER select APPL TS PLAYER 6 Settings in TS GENERATOR Change the TS data rate of the R amp S TRP player to the previously noted REQ SOURCE DATA RATE reading 7BM69_0E 7 Rohde amp Schwarz 7BM69_0E R amp S DIRECTV tool for converting 130 byte based DIRECTV streams to ISO 13818 1 188 bytes MPEG format W SFU
8. d 0x00 stuffing bytes after conversion 4 Rohde amp Schwarz R amp S DIRECTV tool for converting 130 byte based DIRECTV streams to ISO 13818 1 188 bytes MPEG format 5 How to Install and Use R amp S DIRECTV Tool 7BM69_0E 1 Copy the tool bts2trp exe together with the readme file to a dedicated folder e g C Program Files DirectTV on your PC The tool can also be copied onto the R amp S SFU itself if necessary 2 Go to Windows gt Start and click Run Enter command to open the Win32 console also known as the Command window and click OK Type the name of a program Folder document or Internet resource and Windows will open it For you command Fig 2 Run window 3 The following screen will appear o C WINDOWS system3 command com Microsoft R gt Windows DOs CCoCopyright Microsoft Corp 19798 2081 C DOCUME 1 DE_DEMO gt Fig 3 Console application also known as the Command window 4 Change the current folder to the dedicated one where R amp S DIRECTV tool is located Example CD CD C Program Files Direct TV 5 Copy the file that you want to convert to the same dedicated folder 6 Launch the conversion tool by entering the following command line Command line structure bts2trp lt input filename extension gt lt output filename trp gt 5 Rohde amp Schwarz R amp S DIRECTV tool for converting 130 byte based DIRECTV streams to ISO 13818 1 188 bytes MPEG format
9. electing the desired stream click the PLAY button The played stream will then be coded and RF modulated in accordance with the DIRECTV transmission standard The RF output can be connected to the DUT tuner or an STB for testing 8 Rohde amp Schwarz 7 Summary References R amp S DIRECTV tool for converting 130 byte based DIRECTV streams to ISO 13818 1 188 bytes MPEG format The R amp S SFU front and rear panel SPI interfaces accept ISO IEC 13818 1 MPEG compliant streams with a packet size of 188 bytes This could pose certain difficulties for engineers working on the DIRECTV standard with the instrument s R amp S SFU K9 DIRECTV Legacy Modulation Coder or the R amp S SFU K108 AMC coder R amp S DIRECTV tool offers a simple and speedy way to convert DIRECTV 130 byte oriented streams to 188 byte packetized streams that can be streamed without any further requirements to the instrument s SPI interfaces They can also be played on the internal R amp S SFU K22 TRP player 1 ISO IEC 13818 1 Information technology Generic coding of moving pictures and associated audio information 2 User manual of the R amp S SFU e g MAN12SFU0600 pdf or later 3 www directv com 9 Additional Information 7BM69_0E Our Application Notes are regularly revised and updated Check for any changes at http Awww rohde schwarz com Please send any comments or suggestions about this Application Note to Broadcasting ThLAp
10. mpatible with the R amp S SFU inputs The tool is intended for Rohde amp Schwarz customers who are licensed to operate an R amp S SFU K9 DIRECTV coder or SFU K108 AMC coder The converted streams can be played either on the R amp S SFU K22 TRP player or with an external player such as the R amp S DVRG connected to the SPI input of the R amp S SFU 2 Where to get the application software Please contact the Customer Support Center and provide the serial number of your device CS will grant you access to one of our file servers via HTTP Customer Support Europe Telephone 49 180 512 4242 Fax 49 89 4129 63778 E mail customersupport rohde schwarz com 3 Hardware and Software Requirements 7BM69_0E R amp S DIRECTV tool is a console application that runs on a Microsoft Windows Win32 console It consumes very few computer resources and thus does not have any particular PC requirements 3 Rohde amp Schwarz R amp S DIRECTV tool for converting 130 byte based DIRECTV streams to ISO 13818 1 188 bytes MPEG format 4 How R amp S DIRECTV Tool Operates 7BM69_0E The conversion process is shown in the following schematic diagram File containing stream with 130 byte packets R amp S DIRECTV tool bts2trp exe File containing stream with 188 byte packets in tro format R amp S DIRECTV tool converts streams containing 130 byte packets to 188 byte format by adding 57 stuffing bytes to the existing packets
11. plications rohde schwarz com 9 Rohde amp Schwarz R amp S DIRECTV tool for converting 130 byte based DIRECTV streams to ISO 13818 1 188 bytes MPEG format 10 Ordering Information R amp S SFU K108 AMC Coder soy on request RES SFUKTOO DMB THGoder S S SCS TPL SFU K2 110 7324 02 5 Generator 110 7476 02 TS Recorder T T OMB DAB Streams 110 7488 02 110 4246 02 110 7 788 02 110 7330 02 110 7560 02 110 7 620 02 110 7601 02 110 4277 02 110 4425 02 110 02 110 02 110 32 12 02 110 7353 02 SFU SFU K2 PERE B SFU K23 Vi SFU K4 Pa PJ PO I PO PO Pod Pa PEREDE a Ri SFU K3O SFLU KA2 Enhanced Fading DAB Gaussian Fading ARS Generator T DOMEB VDAB Waveforms SFU K35 SFU K353 SFL K354 SFU K350 SFU K4 SFU KJ7 SFU K40 SFU K4 SFU KA2 SFU K43 DRM Waveforms DOTY Interferers Cable interferers ATSCIEYSB Coder nierferer Management oise AWON hase Moise PA Poo PD P PO PO Pd Pa 5 cat a Ra 110 7653 02 110 7 660 02 110 7676 02 110 7682 02 110 7360 02 110 73 76 02 Mulinoise Use ANB Coder S0B T Coder BER Measurements DMB T Coder DWEB 52 Goder Extended iG Realtime Disabled Realtime Enabled OF LIK SFU KAQ 110 7368 02 110 7853 02 110 7 860 02 110 7876 02 SHEE als mi Bal pa S S Eil Ci F F SF U Ka SFU SFUSI oF U Ka2 SFU K9 PJ Bal Pa Ra eal ea als SE 35 5 Sale Slo Fal Fa ograde Kit for R amp S SFU K4
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