Inc. Program Optimizer Manual

88 Dolby
®
DP600 Program Optimizer Manual
DP600 Program Optimizer Detailed Profile Descriptions
Profile: GXF_GXF–8 Æ GXF File with Discrete 5.1-Channel PCM Normalization to
–27 LKFS and/or Correct dialnorm Metadata in VANC
ProfileGXF_GXF‐8normalizesadiscrete5.1‐channelPCMprogramcontainedintheGXF
file,resultinginaspeechlevelnormalizedto–27LKFSand/ordialoguenormalization
correctioncontainedwithinaudiometadatacarriedintheverticalancillaryspace(VANC).
Notethattracks1–6(pairs1–3)aretreatedasasingle5.1
program.Anyremainingaudio
tracksarenotprocessed,butareretainedintheiroriginalformatintheoutputfile.
Profile: GXF_PCM-1 Æ GXF File with Dolby E to Multiprogram .wav Extensible
File with Dolby Metadata Chunk Containing the Correct dialnorm Value
ProfileGXF_PCM‐1decodesallDolbyEstreamswithinaGXFfiletoasingle
multiprogramPCM
.wavextensiblefileswithaDolbymetadatachunk.Notethatthe
dialoguenormalizationvalueforeachprogramintheaudiometadatachunkisset
correctly.
GXF File with a discrete
5.1 channel PCM
program on pairs 1-3
Process ÆSpeech-based Loudness
Estimation and normalization to -27 LKFS for
5.1 program ONLY on pairs 1-3 AND/OR
correct dialnorm metadata value in VANC
Measurement Type Æ Speech-based ITU -R
BS.1770
GXF File with a 5.1 PCM
program normalized to
-27 LKFS AND/OR correct
dialnorm metadata value in
VANC
GXF File with Dolby E
Process Æ Dolby E decode Æ Speech-based
Loudness Estimation for all Dolby E programs
& Dolby Metadata chunk generation
Measurement Type Æ Speech-based ITU -R
BS.1770
Multiprogram WAVE
Extensible File (PCM)
w/ Metadata Chunk
dialnorm set correctly