Inc. Program Optimizer Manual

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.Notethatany
PCMdatafoundinthe
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 ÆSpeech-based Loudness
Estimation and dialnorm correction
Measurement Type Æ Speech-based
ITU-R BS.1770
MPEG-2 Program
Stream with Dolby E
MPEG-2 Program
Stream with Dolby E
dialnorm correct
Process Æ Speech-based Loudness
Estimation and dialnorm correction (Dolby E)
& Layer II normalized to -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 II
normalized to -27 LKFS
Process Æ Speech-based Loudness
Estimation and Dolby E dialnorm correction
Measurement Type Æ Speech-based ITU -R
BS.1770
GXF File with Dolby E
& PCM Tracks
GXF File with Dolby E
dialnorm correct
PCM Tracks Unchanged