Dolby Digital er markedsnavnet for en serie av lydkompresjon (audio compression) teknologier av Dolby Laboratories.
|
|
HD DVD
|
Blu-ray
|
DVD
|
DVD-Audio
|
| Codec
|
Player support
|
Channels (max)
|
Max Bit Rate
|
Player support
|
Channels (max)
|
Max Bit Rate
|
Player support
|
Channels (max)
|
Max Bit Rate
|
Player support
|
Channels (max)
|
Max Bit Rate
|
| Dolby Digital
|
Mandatory
|
5.1
|
448 kbit/s
|
Mandatory
|
5.1
|
640 kbit/s
|
Mandatory
|
5.1
|
448 kbit/s
|
Optional in video zone for playback compatibility on DVD-Video players
|
5.1
|
448 kbit/s
|
| Dolby Digital Plus
|
7.1
|
3 Mbit/s
|
Optional
|
7.1
|
1.7 Mbit/s
|
N/A
|
| Dolby TrueHD
|
8
|
18 Mbit/s
|
8
|
18 Mbit/s
|
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Autoritetsdata
