Inc. Program Optimizer Manual

72 Dolby
®
DP600 Program Optimizer Manual
DP600 Program Optimizer Detailed Profile Descriptions
Profile: PCM_DOWNMIX Æ Multichannel PCM (.wav) Dolby Pro Logic II Downmix
ProfilePCM_DOWNMIXencodesfive‐orsix‐channel(3/2or3/2L)multichannel.wav files
intoDolbyProLogic
®
IIformat(containingtwochannels).TheDolbyProLogicIIencoded
two‐channeloutputfileisformattedasa
.wavextensiblefilewithaDolbymetadatachunk.
Profile: PCM_EC3-1 Æ .wav PCM to Dolby Digital Plus (E-AC-3) Encoding
ProfilePCM_EC3‐1encodesPCM.wavfilestoDolbyDigitalPlus(E‐AC‐3).Note thatthe
E‐AC‐3encoder
acmodvalueisconfiguredthroughthenchannelsfieldinthe.wavformat
chunkorthe
acmodfieldwithintheDolbymetadatachunk(ifpresent).Encodedoutput
dataratesareadaptivelyprovisionedasfollows:sixchannel=192kbpsand
twochannel=96kbps.Allremainingmetadataparametersaresettodefaultvaluesor
provisionedthroughtheDolbymetadatachunk(ifpresent).
Profile: PCM_MPII-1 Æ .wav PCM to MPEG-1 LII Encoding
ProfilePCM_MPII‐1encodesPCM.wavfilestoMPEG‐1LII.Onlymonoandstereoaudio
sourcesareaccepted.
Note: Two‐channelsource(input)filesprocessedbythisprofilepassthrough(thatis,
withoutDolbyProLogicIIprocessing).However,theoutputfileisformattedasa
.wavextensiblefilethatincludesaDolbymetadatachunk.
WAVE
PCM
Process Æ 5.0 or 5.1 ProLogic II Encoding (downmix )
NOTE: 2-channel sources are passed through
WAV Extensible File
w/ Metadata Chunk
WAVE
PCM
Process Æ PCM to Dolby Digital Plus (E AC-3)
NOTE: Multichannel WAVE PCM files are supported
.ec3
WAVE
PCM
Process Æ PCM to MPEG-1 Layer II .mp2