Dolby Laboratories DP600 - page 98

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-bas ed Loudnes s
Estimation and normaliz at i on t o -27 LKFS f or
5.1 program ONLY on pairs 1-3 A ND/OR
correct dialnorm metadata v al ue i n V ANC
Measurement Type Æ Speech-based ITU -R
BS.1770
GXF File with a 5.1 PCM
program normalized to
-27 LKFS AN D/ O R correct
dialnorm metadata value in
VANC
GXF File with Dolby E
Process Æ D olby E decode Æ S peec h-based
Loudness Esti m at ion for all Dolby E program s
& Dolby Metadata c hunk generation
Measurement Type Æ Speech-based ITU -R
BS.1770
Multiprogram WAV E
Extensible File (PCM)
w/ Metadata Chunk
dialnorm set c orrectly