Dolby Digital

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Dolby Digital er markedsnavnet for en serie af lydkompretion (audio compression) teknologier af Dolby Laboratories.

Dolby Technologies i diverse medieformater

	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	Optional	8	18 Mbit/s	N/A

s·d·r

Multimedia-kompressionsformater

{{

Videokompressionsformater

ISO/IEC

MPEG-1 • MPEG-2 • MPEG-4 • MPEG-4/AVC

ITU-T

H.261 • H.262 • H.263 • H.264

Andre

AVS • Bink • Dirac • Indeo • MJPEG • RealVideo • VC-1 • Theora • VP6 • VP7 • WMV

Lydkompressionsformater:

ISO/IEC MPEG

MPEG-1 Layer III (MP3) • MPEG-1 Layer II • AAC • HE AAC • HE AACv2 (ca.= MPEG-4 aacPlus v2)

ITU-T

G.711 • G.722 • G.722.1 • G.722.2 • G.723 • G.723.1 • G.726 • G.728 • G.729 • G.729.1 • G.729a

Andre

AC3 • ATRAC • FLAC • iLBC • Monkey's Audio • Musepack • RealAudio • SHN • Speex • Vorbis • WavPack • WMA

Billedkompressionsformater:

ISO/IEC/ITU-T

JPEG • JPEG 2000 • JPEG-LS • JBIG • JBIG2

Andre

BMP • GIF • ILBM • PCX • PNG • OpenEXR • TGA • TIFF • WMP

Containerformater:

Generelle

3GP • ASF • AVI • FLV • Matroska • MP4 • MXF • NUT • Ogg • Ogg Media • QuickTime • RealMedia

Kun lyd

AIFF • AIFC • AU • WAV

}}

Hentet fra "http://da.wikipedia.org/wiki/Dolby_Digital"

Kategori: Lydteknologi

This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.

Mercedes Car

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