Profile Descriptions
Dolby® DP600 Program Optimizer Manual 85

Profile: PS_PS-2 Æ MPEG-2 Program Stream with Dolby E dialnorm Correction

ProfilePS_PS2correctsthedialoguenormalizationvaluewithinallDolbyEelementary
streamsifthemeasureddialogueloudnessisgreaterthantheoriginaldialogue
normalizationvalueby±1dB.NotethatthisprofileassumestheMPEG2programstream
filewasgeneratedbyanAvid/PinnacleSystemsMediaStreamsystem.

Profile: PS_PS-3 Æ MPEG-2 Program Stream with Dolby E dialnorm Correction

and MPEG-1 LII Normalization

ProfilePS_PS2correctsthedialoguenormalizationvaluewithinallDolbyEelementary
streamsifthemeasureddialogueloudnessisgreaterthantheoriginaldialogue
normalizationvalueby±1dB.Inaddition,itnormalizesallMPEG1LIIelementary
streams,resultinginaspeechlevelof–27LKFS.NotethatanyPCMdatafoundinthe
DolbyEelementarystreamisnormalizedto–27LKFS.Alsonotethatthisprofileassumes
theMPEG2programstreamfilewasgeneratedbyanAvid/PinnacleSystems
MediaStreamsystem.

Profile: GXF_GXF-1 Æ GXF File Dolby E dialnorm Correction

ProfileGXF_GXF1correctsthedialoguenormalizationvalueinallDolbyEprograms
containedonallGeneraleXchangeFormat(GXF,SMPTE360M)audiotrackswhenthe
measureddialogueloudnessisgreaterthantheoriginaldialoguenormalizationvalueby
±1dB.
Process ÆSpeec h-based Loudness
Estimation and dial norm c orrection
Measurement Type Æ Speech-bas ed
ITU-R BS.1770
MPEG-2 Program
Stream with D ol by E
MPEG-2 Program
Stream with D olby E
dialnorm correct
Process ÆSpeech -based Loudness
Estimation and dial norm c orrection (Dolby E)
& Layer II normaliz ed t o -27 LKFS
Measurement Type Æ Speech-based ITU -R
BS.1770
MPEG-2 Program
Stream with Dolby E &
MPEG-1 Layer II
MPEG-2 Program Stream with Dolby E
dialnorm correct & MPEG-1 Layer I I
normalized to -27 LKFS
Process ÆSpeech-based Loudness
Estimation and D olby E dialnorm correc tion
Measurement Type Æ Speech-bas ed I TU-R
BS.1770
GXF File with Dolby E
& PCM Tracks
GXF File with Dolby E
dialnorm correct
PCM Tracks Unchanged