Dolby Digital
E64199
Dolby Digital is a multichannel digital audio encoding system widely used in cinema, home theater, and broadcast to deliver surround sound.
Aliases (6)
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
audio coding format
→
surround sound technology → |
| alsoKnownAs |
AC-3
→
Dolby AC-3 → |
| audioChannels |
5.1
→
|
| audioCodingFamily |
transform coding
→
|
| bluRayMaxBitrate |
640 kbit/s
→
|
| channelLayout |
Center
→
Left → Left surround → Low-frequency effects → Right → Right surround → |
| compressionType |
lossy
→
|
| countryOfOrigin |
United States
→
|
| developer |
Dolby Laboratories
→
|
| dvdVideoMaxBitrate |
448 kbit/s
→
|
| fileExtension |
.ac3
→
|
| introducedInDecade |
1990s
→
|
| maximumBitrate |
640 kbit/s
→
|
| mediaType |
broadcast audio
→
cinema sound → home theater sound → |
| predecessor |
Dolby Stereo
→
|
| primaryUseCase |
home theater audio
→
multichannel TV audio → surround sound for films → |
| standardizedBy |
ATSC
→
Blu-ray Disc Association → DVD Forum → |
| successor |
Dolby Digital Plus
→
Dolby TrueHD → |
| supportsChannelConfiguration |
2.0
→
3.0 → 4.0 → 5.1 → 6.1 matrix → mono → stereo → |
| supportsLFEChannel |
yes
→
|
| supportsSampleRate |
32 kHz
→
44.1 kHz → 48 kHz → |
| typicalBitrateRange |
32 kbit/s to 640 kbit/s
→
|
| usedIn |
Blu-ray Disc
→
DVD-Video → cinema soundtracks → digital television → game consoles → streaming services → |
| usesTransform |
MDCT
→
|