Inc. Program Optimizer Manual

74 Dolby
®
DP600 Program Optimizer Manual
DP600 Program Optimizer Detailed Profile Descriptions
Profile: PCM_UPMIX Æ .wav PCM file Upmixing to Multichannel PCM (wav)
ProfilePCM_UPMIXupmixestwo‐channel.wavfilesto5.1‐channel(3/2L)multichannel
.wav files.Theupmixedoutputfileisformattedasamultichannel.wavextensiblefilewith
aDolbymetadatachunk.
Profile: PCM_WAV/E-1 Æ .wav PCM File to NTSC (29.97 Hz) Dolby E Encoding
ProfilePCM_WAV/E‐1encodesPCM.wavfilesinto29.97HzDolbyE.Theoutput.wavfile
contains29.97HzDolbyEformattedperSMPTE337M(20‐bitmode).Notethattheoutput
.wavfile(whichcontainsthe20‐bitDolbyEdata)utilizes24‐bitaudiosamplewords.
Therefore,each20‐bitDolbyEdatawordisplacedinthe20mostsignificantbitsofeach
.wavaudiosampleword.Alsonotethatonlysourcefilescontainingeithersixoreight
channelsaresupported.Asaresult,atwo‐channelsourcefilegeneratesanerrorcondition
andisnotprocessed.
Profile: PCM_WAV/E-2 Æ .wav PCM File to NTSC (25 Hz) Dolby E Encoding
ProfilePCM_WAV/E‐2encodesPCM.wavfilesinto25HzDolbyE.Theoutput.wavfile
contains25HzDolbyEformattedperSMPTE337M(20‐bitmode).Notethattheoutput
.wavfile(whichcontainsthe20‐bitDolbyEdata)utilizes24‐bitaudiosamplewords.
Therefore,each20‐bitDolbyEdatawordisplacedinthe20mostsignificantbitsofeach
.wavaudiosampleword.Notethatonlysourcefilescontainingeithersixoreightchannels
aresupported.Asaresult,atwo‐channelsourcefilegeneratesanerrorconditionand isnot
processed.
Note: One‐channel,five‐channel(3/2),andsix‐channel(3/2L)source.wav(input)files
processedbythisprofilepassthrough(thatis,withoutupmixprocessing).
However,theoutputfileisreformattedasa.
wavextensiblefilewithaDolby
metadatachunk,and-upmixisappendedtothefilename.
WAVE
PCM
Process Æ 2-channel to 5.1 Channel Upmix
NOTE: 1/0, 3/2 & 3/2L source files are passed through
Multichannel
WAV Extensible File
w/ Metadata Chunk
WAVE PCM
WAVE w/
SMPTE 337M formatted
Dolby E
Process Æ Dolby E Encoding (29.97Hz)
Dolby E Program Config Æ 5.1+2 or 5.1 only
WAVE PCM
WAVE w/
SMPTE 337M formatted
Dolby E
Process Æ Dolby E Encoding (25Hz)
Dolby E Program Config Æ 5.1+2 or 5.1 only