Sonnox Fraunhofer Pro-Codec Uživatelský manuál

4.3 HD-AAC 4 SUMMARY OF CODEC FEATURES AND APPLICATIONS4.3 HD-AAC (Fraunhofer)The HD-AAC codec from Fraunhofer has a very clever feature; the single c

5 THE PRO-CODEC PLUG-IN5 ThePro-CodecPlug-In5.1 UserInterfaceandWorkflowOverviewThe primary purpose of the Pro-Codec Plug-In is to provide a way

5.1 UserInterfaceandWorkflowOverview 5 THE PRO-CODEC PLUG-INFFT (FastFourierTransform)display...INPUT Signal (yellow).DIFF Signal (red)..NMR Ind

5.1 UserInterfaceandWorkflowOverview 5 THE PRO-CODEC PLUG-INBeneath the FFT/LISS display, the CODEC LIST enables the selection of up to fivedifferent

5.1 UserInterfaceandWorkflowOverview 5 THE PRO-CODEC PLUG-INCOMP – These meters show the data compression ratio for each codec.A-B (A-B-X) – This t

5.2 InputandOutputPanels 5 THE PRO-CODEC PLUG-IN5.2 InputandOutputPanelsThe left hand panel of the plug-in features a large input signal meter a

5.2 InputandOutputPanels 5 THE PRO-CODEC PLUG-INremoved by the encoding process.Enable the RECORD button to begin real-time encoding to disk for al

5.3 OnlineAuditioningandConfiguringCodecs 5 THE PRO-CODEC PLUG-IN5.3 OnlineAuditioningandConfiguringCodecsThe Pro-Codec Plug-In enables Fraunhof

5.3 OnlineAuditioningandConfiguringCodecs 5 THE PRO-CODEC PLUG-INSome items may be marked with an asterisk to indicate that the setting will requir

5.3 OnlineAuditioningandConfiguringCodecs 5 THE PRO-CODEC PLUG-INThe codec settings selector also provides additional options for HD-AAC, and forau

Contents1 Introduction 52 Terminology 63 SupportedCodecsandFormats 74 SummaryofCodecFeaturesandApplications 84.1 iTunes+ . . . . . . . . . . .

5.3 OnlineAuditioningandConfiguringCodecs 5 THE PRO-CODEC PLUG-IN5.3.1 TheNMR IndicatorAlso featured in the FFT display is the NMR (Noise to Mask

5.3 OnlineAuditioningandConfiguringCodecs 5 THE PRO-CODEC PLUG-INof frequency areas that might require examination.The NMR indicator is not present

5.3 OnlineAuditioningandConfiguringCodecs 5 THE PRO-CODEC PLUG-IN5.3.3 OverloadingPre-Codec(CodecHeadroom)It is possible, but not desirable, tha

5.4 BitstreamLevel(TRIM Tab) 5 THE PRO-CODEC PLUG-IN5.4 BitstreamLevel(TRIM Tab)Any form of filtering can, under certain circumstances, increase th

5.5 DataCompressionFactor(COMP Tab) 5 THE PRO-CODEC PLUG-INunrepeatable maximum values. The discrepancies in both cases should be minor, and notall

5.6 A-B AuditioningandA-B-X Testing(A-B Tab) 5 THE PRO-CODEC PLUG-IN5.6 A-B AuditioningandA-B-X Testing(A-B Tab)5.6.1 A-B AuditioningFor simple

5.6 A-B AuditioningandA-B-X Testing(A-B Tab) 5 THE PRO-CODEC PLUG-INbutton and the previously selected button. Thismeans you can repeatedly alterna

5.7 ProcessingSequence 5 THE PRO-CODEC PLUG-IN5.7 ProcessingSequenceThe concept underlying the development of this plug-in was that it should be the

5.8 OnlineEncoding 5 THE PRO-CODEC PLUG-IN5.8 OnlineEncodingTo encode a file in real time, first you have to record enable the codec. This is done bys

5.8 OnlineEncoding 5 THE PRO-CODEC PLUG-INYou can also ARM the codec when playback is stopped, so that codecs will start writingthe instant you start

5.10 Description of Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436 PresetManagerToolbar 536.1 Presets and Project/Session

5.8 OnlineEncoding 5 THE PRO-CODEC PLUG-INdragging it either to the left or the right to a suitable position. Should you want to add orremove any of

5.9 HD-AAC 5 THE PRO-CODEC PLUG-IN5.9 HD-AAC (LosslessCodec)A lossless codec is one that produces an output data stream that is an exact duplicate of

5.9 HD-AAC 5 THE PRO-CODEC PLUG-INbutton enabled, the audition point is after the HD-AAC encoder-decoder.You will notice that the DIFF signal in the F

5.9 HD-AAC 5 THE PRO-CODEC PLUG-IN5.9.2 BitDepthThe HD-AAC codec has a 16-bit mode that is available in the codec settingsselector.The bit depth and

5.9 HD-AAC 5 THE PRO-CODEC PLUG-IN5.9.3 DitherandTruncationWhen encoding online, or preparing a session for render through the DAW, it is essentialt

5.9 HD-AAC 5 THE PRO-CODEC PLUG-INFirst, in order to see the effect on the noise floor we input 1kHz and 2kHz tones at -60dB.As this is a low-level sign

5.9 HD-AAC 5 THE PRO-CODEC PLUG-INWhatiftheinputsignalisnotcorrectlyprepared?HD-AAC 24 bit with INCORRECT or NO dither and truncation prior to

5.9 HD-AAC 5 THE PRO-CODEC PLUG-IN5.9.4 InternalDitherandTruncationThe previous examples include the insertion of a dither/truncation plug-in in th

5.9 HD-AAC 5 THE PRO-CODEC PLUG-INThe bit meter indicates that there is no activity in bits greater than 24. The input to thecodec is correctly dither

5.9 HD-AAC 5 THE PRO-CODEC PLUG-INHD-AAC 16 bit with CORRECT dither and truncation prior to the Plug-In. Internal Trim isENABLED. HD-AAC 16 bit intern

9 Specifications 749.1 Plug-In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 749.1.1 Delays and CPU Usage . . . . . . .

5.9 HD-AAC 5 THE PRO-CODEC PLUG-INHD-AAC 16 bit with CORRECT dither and truncation prior to the Plug-In. Internal Trim isENABLED. HD-AAC 16 bit intern

5.9 HD-AAC 5 THE PRO-CODEC PLUG-IN5.9.5 OverloadingHD-AACThe screenshot below illustrates the behaviour of HD-AAC under overloading conditions.A typi

5.9 HD-AAC 5 THE PRO-CODEC PLUG-INthat is buried in the lossless codec. To do this, select AAC-LC CBR with theappropriate bit rate.LevelChangeIf a le

5.10 DescriptionofControls 5 THE PRO-CODEC PLUG-IN5.10 DescriptionofControlsTouchPadControlsSeveral controls in this plug-in use a ‘touch pad’as

5.10 DescriptionofControls 5 THE PRO-CODEC PLUG-INSonnoxMenuButtonThis provides access to a number of useful items:ClipHold(inputmeterclipLED

5.10 DescriptionofControls 5 THE PRO-CODEC PLUG-INInputSectionInput SectionSIGNALThe input meterindicates 2 dB per LED below -12dBFs, and0.5dB per

5.10 DescriptionofControls 5 THE PRO-CODEC PLUG-INCodecListSectionCODEC LISTDisplays a list of codecs chosen for auditioning. The codec type, bit-

5.10 DescriptionofControls 5 THE PRO-CODEC PLUG-INFilenameFormatpop-uppanelPathShows the destination path for output files. Click the folder brows

5.10 DescriptionofControls 5 THE PRO-CODEC PLUG-INCodecSettingsselectorCodecClick to select a codec from the list. Some codecs will not be availab

5.10 DescriptionofControls 5 THE PRO-CODEC PLUG-INDitherOnly visible if the selected codec is HD-AAC. Only enable 16 or 24 bit dither if theinput to

1 INTRODUCTION1 IntroductionIn the past it has not been possible to critically audition and then encode multiple formatsin real time within a host DAW

5.10 DescriptionofControls 5 THE PRO-CODEC PLUG-INCODECWhen selected, will route the encoded-decoded signal to the output.DIFFWhen selected will rou

5.10 DescriptionofControls 5 THE PRO-CODEC PLUG-INCOMP (compression)TabComp TabCOMPRESSION RATIOS (x5)Shows an indication of the amountof data comp

5.10 DescriptionofControls 5 THE PRO-CODEC PLUG-INA-B-X TestTab[1]Comp TabA (x5)Selects the codec to be routed through A.B (x5)Selectsthe codec or

6 PRESET MANAGER TOOLBAR6 PresetManagerToolbarThe Sonnox Fraunhofer Pro-Codec Plug-In comes equipped with its own onboard PresetManager, which is di

6.1 PresetsandProject/SessionDataHandling 6 PRESET MANAGER TOOLBAR6.1 PresetsandProject/SessionDataHandlingThe Sonnox Fraunhofer Pro-Codec plu

6.2 Plug-InSignalandControlFlowDiagram 6 PRESET MANAGER TOOLBARNote:Sonnox Toolbar preset loads must match the session sample rate and the sessio

7 THE PRO-CODEC MANAGER APPLICATION7 ThePro-CodecManagerApplicationThe Pro-Codec Toolbox Manager is a standalone application primarily intended for

7.1 FolderBrowser 7 THE PRO-CODEC MANAGER APPLICATION7.1 FolderBrowserThe leftmost section of the Pro-Codec Manager presents controls for browsing f

7.1 FolderBrowser 7 THE PRO-CODEC MANAGER APPLICATION7.1.2 FindingAudioFilesonyourSystemThe FolderBrowser includes a feature designed to help l

7.2 FileList 7 THE PRO-CODEC MANAGER APPLICATION7.1.3 SupportedFileTypesThe Manager supports the following file types:• M4A AAC (including AAC-LC, H

2 TERMINOLOGY2 TerminologyBitrateThis is the number of bits transmitted or processed per unit of time, expressed herein kilobits per second (kbps).CB

7.2 FileList 7 THE PRO-CODEC MANAGER APPLICATION7.2.1 SelectingMultipleFilesforBatchProcessingIt is possible to select multiple files in the File

7.3 Encode-DecodeSection 7 THE PRO-CODEC MANAGER APPLICATION7.3 Encode-DecodeSection7.3.1 EncodingThe ClipSafe button enables a level-correction fe

7.3 Encode-DecodeSection 7 THE PRO-CODEC MANAGER APPLICATION7.3.2 CodecSettingsPresetsCodec settings can be saved as presets for later use. To disp

7.3 Encode-DecodeSection 7 THE PRO-CODEC MANAGER APPLICATIONdecoded to WAV/AIFF with the peaks intact and reduced to below 0 dBFS, potentiallyrestori

7.4 AuditioningFilesintheManager 7 THE PRO-CODEC MANAGER APPLICATION7.3.5 DitherWhen ClipSafe or ClipSafe+Normalise are used, the Manager may

7.5 TheMetadataEditor 7 THE PRO-CODEC MANAGER APPLICATION7.5 TheMetadataEditor7.5.1 OverviewThe MP3 and M4A audio file formats can optionally conta

7.5 TheMetadataEditor 7 THE PRO-CODEC MANAGER APPLICATIONWritetoFileWrite the contents of the Metadata Editor to the selected file. Thisaltersthe

7.5 TheMetadataEditor 7 THE PRO-CODEC MANAGER APPLICATION7.5.3 SupportedTagsThe list of available tags varies between MP3 and AAC files due to the d

7.5 TheMetadataEditor 7 THE PRO-CODEC MANAGER APPLICATION7.5.4 EditingTextTagsIn order to edit a text tag, click on the tag row in the MetadataEd

7.5 TheMetadataEditor 7 THE PRO-CODEC MANAGER APPLICATION7.5.6 WritingTagstoMultipleFilesMetadata tags are written to all selected files. Unsuppo

3 SUPPORTED CODECS AND FORMATS3 SupportedCodecsandFormatsMajorCodecsSupported• MP3• AAC-LC• HE-AAC• HE-AAC v2• MPEG Surround• Apple AAC (iTunes P

7.5 TheMetadataEditor 7 THE PRO-CODEC MANAGER APPLICATIONThe list of presets is ordered alphabetically, and is immediately re-ordered when a newpres

7.6 KeyboardShortcuts 7 THE PRO-CODEC MANAGER APPLICATION7.6 KeyboardShortcutsGlobalContext Mac WindowsProcess File(s) Command+P Control+PWrite met

8 ONLINE VS.OFFLINE ENCODING8 Onlinevs. OfflineEncodingWe can now discuss the advantages and disadvantages of online encoding with thePlug-In (see se

8.1 WhentoUseOnlineEncode 8 ONLINE VS.OFFLINE ENCODING8.1 WhentoUseOnlineEncodeIn general, offline encoding with the Pro-Codec Manager applicat

9 SPECIFICATIONS9 Specifications9.1 Plug-In9.1.1 DelaysandCPU UsageThe sample delay (latency) of the plug-in depends upon the particular codecs selec

9.1 Plug-In 9 SPECIFICATIONSCPU UseAll codecs are mathematically intense (some more than others), and some have significantlatency as a result. The use

9.1 Plug-In 9 SPECIFICATIONSGraphicalDisplayFrequency20 Hz – 20 kHz (44.1 and 48 kHz)GraphicalDisplayGain+10 dB – -120 dB (to -180 dB with zoom)Bi

9.2 Manager 9 SPECIFICATIONS9.2 Manager9.2.1 MetadataTextEncodingText encoding formats are a way of describing the internal byte representation ofin

9.3 CodecSpecifications 9 SPECIFICATIONS9.3 CodecSpecifications9.3.1 BitRatevsSampleRateAvailable bit rates are dependent upon the selected sample

9.3 CodecSpecifications 9 SPECIFICATIONSEncoder HD-AACChannelConfigurations Mono, Stereo, 5.1SampleRates(kHz) 44.1, 48, 88.2, 96, 176.4, 192BitRate

4 SUMMARY OF CODEC FEATURES AND APPLICATIONS4 SummaryofCodecFeaturesandApplicationsMP3General purpose audio codec, compatible with most players.T

9.3 CodecSpecifications 9 SPECIFICATIONSdoesn’t support the sample rate at any bit rate, the codec will default to AAC-LC at theclosest bit rate.To il

9.3 CodecSpecifications 9 SPECIFICATIONSA Sonnox Fraunhofer Pro-Codec is instantiated and shows the default codec as AAC-LC192 kpbs. Note the usual de

9.3 CodecSpecifications 9 SPECIFICATIONSSummaryThese complications arise mostly when low sample rates (32 kHz) are combined with lowbit rate codecs; o

9.3 CodecSpecifications 9 SPECIFICATIONSMP3stereo, session44.1kHzor88.2kHzBitRate Supported Preferred QualitySetting Actual(kbps) SampleRates

9.3 CodecSpecifications 9 SPECIFICATIONS9.3.4 PreferredSampleRatesThe supported session sample rates of the plug-in are from 32 kHz minimum to 192 k

9.3 CodecSpecifications 9 SPECIFICATIONSAAC-LCBitRateRange(kbps) SupportedSampleRates PreferredSampleRate ChannelCount32–55 32 32 156–127

9.3 CodecSpecifications 9 SPECIFICATIONSHE-AAC v2BitRateRange(kbps) SupportedSampleRates PreferredSampleRate ChannelCount12–17 32 32 218–3

10 COMMERCIAL USE OF MP3CONTENT10 CommercialuseofMP3ContentIt is important to distinguish between the use of codecs and the use of content produc

12 SYSTEM REQUIREMENTS11 SupportedPlatforms• Avid Pro Tools (AAX Native 32/64-bit)• VST hosts (32/64-bit)• AU hosts (32/64-bit)• Mac Intel OSX 10.6 o

13 COPYRIGHT AND ACKNOWLEDGEMENTS13 CopyrightandAcknowledgementsTrademarks and content copyright©2007-present Sonnox®Ltd. All rights reserved.Sonnox

4.1 iTunes+ 4 SUMMARY OF CODEC FEATURES AND APPLICATIONS4.1 AppleAAC –iTunesPlus(MasteredforiTunes)(Maconly)The addition of this Apple AAC cod