AudioTools Loudness Control for Harmonic
Contents
1. ZLI harmonic SOFTWARE fises uel e Peak ou yn mental yl Er Programme Range LU _ a Loudness av Average TU KFS _ om 23000 dees fi AN 0 100 I s 4 1 c NMXF Fies 2001 DE e Loudness et et sa0Nest xl Minnetonka Audio Software Inc 17113 Minnetonka Blvd STE 300 Minnetonka MN 55345 www minnetonkaaudio com 1 952 449 6481 Copyright 2011 14 by Minnetonka Audio Software Inc AudioTools is a trademark of Minnetonka Audio Software Incorporated All right reserved under International and Pan American Copyright Conventions All other trademarks trade names service marks and logos referenced herein belong to their respective companies AudioTools Loudness Control for Harmonic ProMedia Carbon User Guide Minnetonka Audiolools Loudness Control for ProMedia Carbon Page 4 Page 5 Table of Contents Audiolools Loudness Control for ProMedia Carbon Overview 7 Introduction EE ee ee ee ee 7 AudioTools Loudness GOTO ee ee Ge ee oe Interface amp Controls 9 TabsS 9 se d ie O Du iii 9 Ti RE EO OE RR EE OE EE AE OT 16 CORVI oases ence ER ee ed seks mts teens eee EE ee 18 Appendix A 21 PROSTAR COMMU S ara 21 Index 23 AudioTools Loudness Control for ProMedia Carbon Page Poge 7 Audiolools Loudness Control for ProMedia Carbon Overview INTRODUCTION Harmonic s ProMed2. v Programme Loudness EBU v Loudness Range EBU l v True Peak Momentary Loudness EBU v Momentary Loudness EBLI Short Term Le U v Short Term Loudness EBU Programme Loudness ITU v Programme Loudness ITU Description Perform Loudness Measurement Only or Loudness Measurement Plus Loudness Adjus Figure 3 Advanced Filter Setup Measure Only In the Measure Only mode AudioTools Loudness Control will measure the loudness of the audio essence but not modify the essence Once the Loud ness Control mode Program Configuration and Channel Order are specified the Measurement parameters need to be set Parameters include the explicit path for the log file that results from the processing along with EBU Programme Loudness EBU Loudness Range True Peak EBU Momentary and Short Term Loudness and ITU Program Loudness Though only measuring loudness is required in some workflows usually both measurement and adjustment of subjective loudness are required In the Measure and Adjust mode AudioTools Loudness Control will measure the loudness of the audio essence then that information will be referenced to modify the audio essence so it conforms to your specified parameters Audiolools Loudness Control for ProMedia Carbon Page 14 Rhozet Carbon Coder File View Options Tools Help Source C Oral B MXF_mxf Advanced Filter Preview Position EER Play Original Duration 2 sec hd
3. Play Result Minnetonka At Bete ie Measure and Adjust Program Configur One Program All Channels gt Channel Order SMPTEAITU L R C LFE Ls Rs Log File Path WEED Ie Programme Loudness EBU ETEV Loudness Range EBU v True Peak L Pa NNljv Momentary Loudness EBU El Tem La Vee Short Term Loudness EBU all Ee dv Programme Loudness ITU Type Programme Loudness EBU Target Programm 23 000 True Peak Thres 0 100 True Peak Attac True Peak Sustai 1 Figure 4 Advanced Filter Setup Measure amp Adjust programme loudness In addition to the Audio and Measurement sections of parameters seen in the Measure Only window the Measure and Adjust mode adds an Adjustment section In Adjustment you only need to specify the Type of adjustment the most common being EBU Programme Loudness Page 16 Audioloolslouqness Control for ProMedia Carbon Rhozet Carbon Coder File View Options Tools Help Source C Oral B MXF mxf Filter List Previ Add EI Minnetonka At ii Position H Play Original Remove RemoveAl_ Duration sec h Play Result NEE niie Measure and Adjust 4 mn AA One Program All Channels Channel Order SMPTE ITU L RC LFE Ls Rs RA I Log File Path L ale EE Ee dv Programme Loudness EBU ILo PERV Loudness Range EBU u Tre w True Peak Ct Deep taa Wv Momentar
4. Target Loudness Figure 6 Advanced Filter Setup Measurement amp Adjust Loudness Range EBU Loudness Range is also available EBU Loudness Range adjustments will offset or modify the overall integrated program loudness If the selected Adjustment Type is Loudness Range EBU the only available parameter is Target Loudness Range To achieve the desired result you will need to mea sure and adjust Loudness Range then re measure and adjust Programme Loudness a two step process Note In order to conform to either of the Programme Loudness Adjustment types the time constant parameters including attack release and sustain must remain at their default values as they are pre defined to conform with their respective standards Target The Target tab allows you to perform several tasks to select the destination directory for the processed file as well as specify the processing parameters used by ProMedia Carbon to process the source file As with the Source tab this tab also provides a visual display of metadata and all menus needed to set the processing parameters Page 17 AudioTools Loudness Control for ProMedia Carbon Rhozet Carbon Coder File View Options Tools Help Target List Target Parameters No parameters Click the Add button to add a Fa Target Remove All Save Prof Category Presets Advanced EI H 264 PS XDCAM HD 1440 1080 25Mbps MPEGHD 25 Handheld XDCAM HD 1440x1080 25Mbps MPEGHD 29
5. are displayed on the right 3 When you have selected a preset you will see complete details of the format settings in the description pane located in the bottom of the Load Target Preset dialog box 4 You can use SHIFT SELECT or CTRL SELECT to grab multiple presets within a single category 5 Click OK to add this preset to your Target window Convert After reviewing your job summary click Convert to start the conversion process After clicking Convert your file will be processed and transcoded into the selected format Page 19 AudioTools Loudness Control for ProMedia Carbon Rhozet Carbon Coder ii File View Options Tools Help Wa Source FT Target ae P Q VCz y h c lt ssszs on Q z yR gt o WOT MD Convert Pause Stop Elapsed time Preview DE J Shutdown PC Total time al when finished Speed Please push the Convert button to start the conversion Figure 8 The Convert tab The information box will display Conversion Finished when the conversion process is completed Click Next to review the file s location and conversion information Audiolools Loudness Control for ProMedia Carbon Page 20 Page 2 Auqiolools Loudness Control for ProMedia Carbon Appendix A PROGRAM CONFIGURATIONS The table below lists program configurations as supported by AudioTools Loudness Adjustment for Harmonic ProMedia Carbon Dolby Laboratories stan
6. both utilize the existing ProMedia Carbon user interface with which you are already familiar All controls appear in the tabbed control environment always available in ProMedia Carbon For questions on how to navigate and use you installation of ProMedia Carbon please refer to the current version of your Carbon Coder Server Administrator or Workflow System WFS User Guide TABS As with other processes in ProMedia Carbon source files and their attributes processing settings and their resulting files are visible in the Source and Target tabs The Convert tab starts the processing job Source SPECIFYING YOUR SOURCE The Source tab allows you to preview and select the source file to be pro cessed This tab also provides a visual display of essence metadata that you will need to set the processing parameters In the Source tab the Add button invokes a file browser dialog that allows you to specify one or more source files Once a file has been selected the Remove and Remove All buttons become active allowing you to revise your selections ADDING SOURCE FILES 1 Select the Source tab 2 Click Add to choose the file you want to convert 3 When the Open File dialog box opens select the file you want to convert 4 Select a single file and click Open You will now see the selected file in the Source List Audiolools Loudness Control for ProMedia Carbon Page 10 Rhozet Carbon Coder File View Options Tools Help Source
7. D DemoSources Oral B_ mxf Source List Source Parameters _ D DemoSources Oral B_mxf Duration 00 00 30 06 1920x1080 25 00fps 756frames Wh Original Video L LU C Prod ne Product Version 0 0 0 0 Frame Ratelfps KEFA i AN 1920 x 1080 x Asp jatio 6 9 nterlacing pper Top Field First Duration Description Figure 1 The Source tab with a source file selected In the figure above note the fourth section of metadata labeled Audio Basic This section contains the essence sample rate number of channels and essence word length or bits per sample After specifying source files make a note of each file s channel count as you will need to know each file s number of channels before setting up the filter processing parameters in the Target tab AudioTools Loudness Control for Harmonic ProMedia Carbon will use the channel count as well as the channel configuration to measure and correct loudness Channel configuration refers to the type number and order of audio program mixes stored within the available number of channels An example of a common program configuration for eight channels is a 5 1 surround program in channels 1 through 6 and a stereo program stored in channels 7 and 8 Appendix 1 lists all applicable program configurations used by AudioTools Loudness Control ADVANCED TAB The Advanced tab is where you can specify video and audio filters or pro cessing The Advanced Feature
8. EI HD i Image Sequence Mobile EMF i i Panasonic P2 i pe Sony XDCAM i Sony XDCAM HD XDCAM XDCAM HD zA Ja New New Sub Rename Delete Modify Preset Delete Preset Name XDCAM HD 1440x1080i 25Mbps MPEGHD 25fps Description Sony XDCAM HD 1440810801 25Mbps MPEG HD 16 3 aspect ratio 25fps 4 Figure 7 Loading a Target Preset in the Target tab TARGET LIST The Target List displays all of the target files you are planning to transcode Use the buttons and options on the left side of the window to modify the list Add Click Add to add target formats to the list Remove Click Remove to remove the currently selected target format s from the list You can also delete them using the delete key Remove All Click Remove All to remove all the targets from the list Save Profile Click Save Profile to save all target outputs in the target list their customized settings and their associated filter settings A profile will typically be used to save a complex task that includes multiple targets and filters The profile can then easily be re applied to different sources ASSIGNING TARGETS After clicking Add you will need to assign a target format 1 In the Load Target Preset dialog box click on a desired category on the left side Audiolools Loudness Control for ProMedia Carbon Poge 18 2 Click on next to a category if needed to display its sub categories the available presets for that category
9. Range Maximum True Peak level and ITU Program Loudness The measurement results are formatted as XML Mono stereo and multichannel PCM configurations can be measured In addition the overall loudness measurement results are reported throughout the file at one second intervals AudioTools Loudness Control for ProMedia Carbon Page 8 ADJUSTMENT Audiolools Loudness Adjustment for Harmonic ProMedia Carbon applies loudness adjustment to the incoming data essence to reach your desired target Program Loudness ortarget Loudness Range values Loudness adjustment can be performed in accordance with EBU R 128 or ITU BS 1770 Again mono stereo and multichannel PCM configurations can be processed while target values can be set for EBU Programme Loudness ITU Program Loudness and Loudness Range Optionally True Peak Limiting can be performed as well If the loudness level is different from the Target Loudness Value adjustment is applied and the Maximum True Peak Level is limited to previously speci fied target levels If the loudness value already meets the requested target specification AudioTools Loudness Adjustment for Harmonic ProMedia Carbon does not alter the file or essence although ProMedia Carbon will transcode the video essence Page 9 Audiolools Loudness Control for ProMedia Carbon Interface amp Controls AudioTools Loudness Control for Harmonic ProMedia Carbon and AudioTo ols Loudness Adjustment for Harmonic ProMedia Carbon
10. dard program configurations are not shown as AudioTools Loudness Adjustment is only concerned with a subset of configuration that relate directly to loudness measurement The Channel Order menu in the Audio Filter subtab allows you to specify specific channel configurations The symbol separates programs within a configuration For example 5 1 2 represents one 5 1 program and one stereo program The x symbol indicates that the configuration consists of multiple programs all with the Same number of channels For example 4 x 2 represents four two channel programs Program Sequences Audiolools Loudness Control for ProMedia Carbon Poge 22 Page 23 Auqiolools Loudness Control for ProMedia Carbon Index A accessing Advanced Features 11 adding source files 9 Advanced 10 assigning targets 17 ATSC 7 ATSC A 85 7 Audio Basic 10 Audio Filter 11 21 AudioTools Loudness Adjustment for Harmonic ProMedia Carbon 8 AudioTools Loudness Measurement for Harmonic ProMedia Carbon 7 CALM Act 7 channel configuration 10 Channel Order 12 13 21 Convert 18 defining processing parameters 12 Dolby E 12 EBU Loudness Range 13 16 EBU Momentary Loudness 13 EBU Programme Loudness 7 13 14 EBU Short Term Loudness 13 instantiations 7 ITU amp EBU loudness standards 7 ITU Program Loudness 7 13 licensing 7 log files 13 loudness adjustment 8 Audiolools Loudness Control for ProMedia Carbon Poge 24 loudness measurement EBU Pro
11. egory Presets Save Preset No paramete Parametric 5 1 to Stereo Converter Track Offset Volume ER hd New New Sub Rename Delete Modify Preset Delete Preset Name Minnetonka AudioT ools Loudness Control Description Minnetonka AudioT ools Loudness Control for Rhozet ProMedia Carbon Ai zl 4 Figure 2 Adding the ATLC filter in the Advanced tab DEFINING PROCESSING PARAMETERS In the Audio section of the Audio Filter window there are two Loudness Control choices or modes Measure Only and Measure and Adjust For either it is important to specify the Program Configuration and Channel Order for the plug in to provide meaningful results The plug in will process each program separately Also note that the AudioTools Loudness Control plug in will only process linear PCM essence not Dolby E encoded content See Appendix A for supported program configurations Page 13 Audiolools Loudness Control for ProMedia Carbon Rhozet Carbon Coder File View Options Tools Help Source D DemoSources Oral B mxf Advanced Filter Setup N VideoFiler Filter List Preview i Add EI Minnetonka AudioT ools Loudness Control Position H Play Original Remove Duration 2 sec h Play Result Remove All L Loudness Control Measure Only Program Configuration One Program All Channels Channel Order SMPTE ITU L R C LFE Ls Rs L Log File Path
12. gramme loudness 7 ITU Program Loudness 7 Loudness Range 7 Maximum Momentary 7 Maximum Short Term 7 Maximum True Peak 7 Loudness Range 7 loudness standards 7 Maximum Momentary 7 Maximum Short Term 7 Maximum True Peak 7 Measure and Adjust 12 14 Measure Only 12 13 metadata Audio Basic 10 modes Measure and Adjust 12 14 Measure Only 12 13 modules AudioTools Loudness Adjustment for Harmonic ProMedia Carbon 8 AudioTools Loudness Measurement for Harmonic ProMedia Carbon 7 Momentary Loudness 15 plug in instances Z program configuration 12 13 selecting the plug in 11 Setup 11 Short Term Loudness 15 source files adding 9 specifying 9 Source tab 9 specifying source files 9 Poge 25 Tabs Advanced 10 Audio Filter 11 21 Setup 11 Source 9 larget 10 16 Video Filter 11 Target 10 16 Target List 17 Target True Peak Level 15 True Peak 13 user interface amp controls 9 Video Filter 11 XML 7 Audiolools Loudness Control for ProMedia Carbon Tools harmonic Minnetonka AUDIO SOFTWARE 17113 Minnetonka Blvd Minnetonka MN 55345 USA Phone 1 952 449 6481 Heimbachstrasse 40 rm N CO D 41747 Viersen Germany a r O C Phone 49 2162 1062622 www minnetonkaaudio com contact minnetonkaaudio com
13. ia formerly Carbon Coder is an extremely powerful file based processing and transcoding platform for video content ProMedia Carbon is able to handle a wide range of sources and a broad range of file formats Minnetonka Audio has created a plug in AudioTools Loudness Control for Harmonic ProMedia Carbon that adds flexible and convenient loudness control to Harmonic s file based ProMedia Carbon software The plug in provides loudness measurement and optional loudness adjustment in a single package AudioTools Loudness Control AudioTools Loudness Control for Harmonic ProMedia Carbon is comprised of two separately licensed components a base loudness measurement module and an optional and highly valuable loudness adjustment extension A valuable feature of AudioTools Loudness Control for Harmonic ProMedia Carbon is support for multiple instances so one license covers multiple instantiations simultaneously within several different workflows MEASUREMENT The key component of the new product is the AudioTools Loudness Measure ment for Harmonic ProMedia Carbon module It supports the fundamental new ITU and EBU loudness standards ITU R BS 1770 1 1770 2 and EBU R 128 2011 and is in accordance with the CALM Act Commercial Advertisement Loudness Mitigation as well as the ATSC s most recent Recommended Practice A 85 2011 The module measures Maximum Momentary Maximum Short Term and EBU Programme Loudness along with Loudness
14. s window allows you optimize the source file Page 11 Auqiolools Loudness Control for ProMedia Carbon prior to the encoding process Here you can apply an audio filter to measure and or modify the audio essence ACCESSING THE ADVANCED FEATURES WINDOW 1 Click the Advanced tab 2 Double click the Source entry in the Source List 3 Right click the Source entry and choose Advanced There are three subtabs within the Advanced Features window These are Setup Video Filter and Audio Filter The Audio Filter subtab gains access to the processing parameters of AudioTools Loudness Control Within the Audio Filter window the Add button allows you to select and insert the Minnetonka AudioTools Loudness Control plug in The filter loudness measurement and correction will be applied to the source file ProMedia Carbon or WFS performs transcoding SELECTING THE AUDIOTOOLS LOUDNESS CONTROL PLUG IN 1 Click on the Add button 2 Select the Minnetonka AudioTools Loudness Control plug in 3 From the Filter List select the newly added plug in Audiolools Loudness Control for ProMedia Carbon Page 12 Rhozet Carbon Coder File View Options Tools Help Source D DemoSources Oral B mxf Advanced Filter Setup N Video Filter Filter List I Add No audio filters ere _ selected a Position jj Play Original Remove Click the Add audio filter Duan Load Audio Filter Preset Remove All Cat
15. y Loudness EBU ae ETV Short Term Loudness EBU e etti Programme Loudness ITU LO F l Type Programme Loudness EBU I spect Pera Programme Loudness EEU arget Proar Target Programm Programme Loudness ITU SERE Loudness Range EBU L True Peak True Peak Relea True Peak Susta n Figure 5 Loudness Adjustment choices If the selected Adjustment Type is Programme Loudness EBU or ITU the available parameters are Target Programme Loudness True Peak Threshold True Peak Attack True Peak Release and True Peak Sustain EBU Programme loudness conforms to the current BS 1770 2 recommended practice while ITU Programme Loudness references the original BS 1770 1 recommended practice Audiolools Loudness Control for ProMedia Carbon Page l Preview Position I Play Original Duration 2 sec Play Result gq Filter List Target TES i FO Minnetonka Remove Remove All Save Preset Order Peelers Bea lie A Measure and Adjust alle Er Bed One Program All Channels Channel Order HE sill AES ELE EE La sl F Log File Path Programme Loud Programme Loudness EBL Loudness Range Loudness Range EBU True Peak True Peak Momentary Loud Momentary Loudness EBL Short Term Loud Short Term Loudness EBU Programme Loud Programme Loudness ITU Type Loudness Range EBLI 10 000
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