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NRG Acoustics SG-4: Multichannel surround sound (general)

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3 years ago

NRG Acoustics SG-4: Multichannel surround sound

Multichannel audio is a technique of enriching the sound processing superior quality of an audio source with additional audio channels from audio speakers that surround the audience (surround channels), providing sound from the 360 radius within the horizontal plane (2D) not like "screen channels" (center, [front] left, and [front] right) coming from only on the listener's forward arc.

Multichannel surround sound is characterized by a listener position or sweet spot where the audio effects performs best, and provides a limited or frontward perspective of the sound field towards the listener at this location. The procedure improves the notion of sound spatialization by manipulating sound localization; a listener's capability to get the location or origin of a noticed sound in route and range. This typically is achieved with the use of multiple discrete audio channels routed to an array of loudspeakers.

There are lots of multi channel audio based types and techniques, varying in reproduction and recording options along with the number and the positioning of of extra stations.

NRG Acoustics A-70: Domains of use

Though cinema and soundtracks signify the foremost purposes of surround approaches, its scope of use is wider than that as multi channel audio permits creation of an audio-environment for all sorts of functions. Multichannel audio techniques could be used to reproduce contents as various as music, speech, synthetic or natural sounds for cinema, television, broadcasting, or portable computers. In terms of music content as an illustration, a live performance can make use of multichannel techniques in the context connected with an open-air event, of an musical theatre or for broadcasting; for a film certain techniques are tailored to movie theater, or to home (e.g. home cinema systems).

The narrative space is also a content which could be enhanced through multichannel techniques. This is applicable mainly to cinema narratives, such as the dialog of the characters of a film, but may even be used on plays for theatre, to a conference, or to incorporate voice-based comments in an archeological site or monument. As an example ,, an exhibition might be enhanced with topical background sound of water, wild birds, train or equipment sound. Topical natural sounds can also be used in educative applications.

NRG Acoustics HJ-17 - Some other fields of application include gaming systems, computers and other platforms.

In these applications, the content would typically be artificial noise generated by the computer system in interaction with its user. Substantial work has been specifically done using surround sound for enhanced situation knowledge in military services and general public safety applications.

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