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D/A Converter
D1 Video
D2 Video
DA88
DA98-HR
DASH
DAT
Data Compression
Data Migration
Datasat
DAW
dB
DBC
dBFS
DBX 700
dbx®
DCT
DD+
De-esser
Decay
Decibel
Decibels Full Scale
Decode
Degauss
Delay
DFTC
Dictaphone
Digibeta
DigiDelivery™
Digital Audio
Digital Audio Tape
Digital Audio Workstation
Digital Betacam
Digital Linear Tape
Digital Noise
Digital to Analog...
Digitization
Dipped
Distortion
Dither
DLT
DME
Dolby® "W"
Dolby® A
Dolby® B
Dolby® C
Dolby® Digital
Dolby® Digital EX™
Dolby® Digital Plus
Dolby® E
Dolby® NR
Dolby® ProLogic
Dolby® ProLogic IIx
Dolby® SR
Dolby® Stereo
Dolby® TrueHD
Doubling
Downmix
Drift
Drop-frame Time Code
Dropout
Dry
DTRS Cassette
DTS
DTS-ES
DTS-HD High-resolution...
DTS-HD Master Audio
DTS-NEO:6
DVD
Dx
Dynamic Compression
Dynamic Processing
Dynamic Range

Dolby® TrueHD

From Chace Audio

Dolby® TrueHD is Dolby's lossless audio compression scheme developed for high-definition disc-based media (such as Blu-ray Disc®). Because of the lossless compression, the audio remains bit-for-bit identical to the “studio master” as heard when the film was mixed. The TrueHD codec can stream at up to 18Mbps and supports up to eight full-range channels of 24bit/96kHz audio (note-the codec is limited to eight channels because of Blu-ray specifications but can actually support more) or up to 5.1 channels of 24bit/192kHz audio. Dolby TrueHD is not backwards compatible, however, and will not output a Dolby Digital bitstream to a non-HD receiver. Therefore all Dolby TrueHD soundtracks must be accompanied by a standard AC-3 stream for backwards compatibility.