Multi-channel capability

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Multi-channel capability (Engl. Multichannel ) is the ability of the audio range audio data format or audio system, multiple channels to store or process, or sometimes known example in audio software the ability to work with multiple audio tracks can work. In the field of radio technology , it can refer to systems that can work on several frequencies or channels at the same time.

The most common multi-channel configurations in the first sense are 5.1 (five main channels: front center, front right, front left, rear right, rear left and a bass channel) and 6.1 (the five channels from 5.1 + rear center).

While multi-channel sound systems were previously only found in cinemas, they have also found their way into the private sphere since the introduction of DVD . The two competitors for the successor to the CD , DVD-Audio and SACD , as well as the potential DVD successor forms HD DVD and Blu-ray Disc also support multi-channel audio .

Some file formats that offer multi-channel audio: AAC , (Ogg) Vorbis , WMA Pro, AC3 , DTS , FLAC and WavPack .

There is no uniform standard as to how the individual sound tracks are assigned to the speakers, and each manufacturer (Microsoft, Dolby, MPEG, Xiph ...) uses its own method or copies an existing one.

Multi-channel recordings are often referred to as " surround ".

Other meanings

A multi-channel CNC control can process different programs at the same time.

See also

literature

  • Roland Enders: The home recording manual. 3rd edition, Carstensen Verlag, Munich, 2003, ISBN 3-910098-25-8
  • Thomas Görne: Sound engineering. 1st edition, Carl Hanser Verlag, Leipzig, 2006, ISBN 3-446-40198-9