Dolby Laboratories DP600 Profile: PCM_UPMIX .wav PCM file Upmixing to Multichannel PCM (wav) , Profile: PCM_WAV/E-1 .wav PCM File to NTSC (29.97 Hz) Dolby E Encoding , Profile: PCM_WAV/E-2 .wav PCM File to NTSC (25 Hz) Dolby E Encoding

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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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-channe l to 5. 1 C hannel Upmix

NOTE: 1/0, 3/2 & 3/2L source files are pass ed t hrough

Multichannel

WAV Extensible File

w/ Metad ata 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