Dolby Laboratories DP600 Profile: EC3_PCM-1 Dolby Digital Plus (E-AC-3) to .wav Extensible PCM (with , Profile: EC3_PCM-2 Dolby Digital Plus (E-AC-3) to .wav Extensible PCM (with

Profile Descriptions

Dolby® DP600 Program Optimizer Manual 71

Profile: EC3_PCM-1 Æ Dolby Digital Plus (E-AC-3) to .wav Extensible PCM (with

Metadata Chunk)

ProfileEC3_PCM‐1decodesan.ec3(DolbyDigitalPlus)filetoa.wavextensiblefile.The

outputfilealsocontainsaDolbymetadatachunk.NotethattheE‐AC‐3decoderoperating

modeisLinemode,withscalefactorssetto1.0.

Metadata Chunk)

ProfileEC3_PCM‐2decodesan.ec3 (DolbyDigitalPlus)filetoa.wavextensiblefile.The

outputfilealsocontainsaDolbymetadatachunk.

ProfilePCM_AC3‐1encodesPCM.wavfilestoDolbyDigital(AC‐3)withthecorrect

dialoguenormalizationvalue.Notethatonlytwo‐orsix‐channelfilesaresupportedinthis

profile,wheretheAC‐3encoderacmodvalueiseither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toeithersixchannelsat

either384kbps(forsix‐channelaudio)or192kbps(fortwo‐channelaudio).Allremaining

metadataparametersaresettodefaultvaluesorprovisionedthroughtheDolbymetadata

chunk(ifpresent).

Note: TheE‐AC‐3decoderoperatingmodeisCustom(thatis,nometadataapplied).

.ec3 file Process Æ Dolby Digital Plus (E AC-3) to PCM

E AC-3 Decoder Operating Mode == Line WAV Extensible File

w/ Metadata Chunk

.ec3 file Process Æ Dolby Digital Plus (E AC-3) to PCM

E AC-3 Decoder Operat ing M od e == Cus tom (no M e tada ta app lied ) WAV Extensible File

w/ Metad ata Chunk

WAVE

PCM Process Æ PCM to Dolby Digital (AC-3)

NOTE: Multichannel W AVE PCM files are support ed .ac3

Process ÆSpeech-bas ed Loudnes s

Estimation and dialnorm prov i s ioning

Measurement Type Æ Speech-based

ITU-R BS.1770