Dolby Laboratories DP600 Profile: WAV/E_EC3-1 Dolby E (337M Formatted .wav) to Dolby Digital Plus (E-AC-3) File , Profile: TS_TS-1 MPEG-2 Transport Stream AC-3 Loudness Correction

82 Dolby® DP600 Program Optimizer Manual
DP600 Program Optimizer Detailed Profile Descriptions
Profile: WAV/E_EC3-1 Æ Dolby E (337M Formatted .wav) to Dolby Digital Plus
(E-AC-3) File
ProfileWAV/E_EC3‐1transcodesaDolbyEstream/fileformattedperSMPTE337M
wrappedina.wavfilecontainerto.ec3files.Encodedoutputdataratesareautomatically
provisionedateither192kbps(forsix‐channelaudio)or96kbps(fortwo‐channelaudio).
AllE‐AC‐3metadataparametersareprovisionedfromtheAC‐3metadatawithineach
programcontainedintheDolbyEdatafile/stream.Notethatonlyfilescontaining5.1or
5.1+2DolbyEdataaresupported.
Profile: TS_TS-1 Æ MPEG-2 Transport Stream AC-3 Loudness Correction
ProfileTS_TS‐1correctstheloudnesswithinallAC‐3elementarystreamscontainedwithin
theMPEG‐2transportstreamfile.Thisprocesscorrectsthemetadatavalues(dialnorm,
dynrng,andcompr)withintheoriginalAC‐3elementarystreamsifthemeasureddialogue
loudnessisgreaterthantheoriginaldialoguenormalizationvaluewithin±1dB.Ifthe
measureddialogueloudnessisbelow–32LKFS,theaudioisscaled,resultinginanaverage
dialogueloudnessof–31LKFSwithdialoguenormalizationsetto–31.Allremaining
metadataispreserved.
WAVE w/
SMPTE 337M
formatted Dolby E
.ec3 File
Dolby Digital P l us (E AC -3)
Program 1
. . .
.ec3 File
Dolby Digital P l us (E AC -3)
Program n
Process Æ Dolby E to Dolby Digital Plus
(E AC-3)
MPEG-2 Trans port
Stream with AC-3
Process ÆSpeech-based Loudness
Estimati on and di alnorm correction
Measurement Type Æ Speec h -based
ITU-R BS.1770
MPEG-2 Transport
Stream with AC-3