surround$80663$ - definizione. Che cos'è surround$80663$
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Cosa (chi) è surround$80663$ - definizione

MP3 surround; Mp3 surround; Mp3 Surround
  • Illustration of 5.1-channels

Surround channels         
  • Surround channels in a Dolby Pro Logic 4.0 system using two speakers in antiphase or a dipole speaker
  • Single rear surround channel in a 6.1 system
AUDIO CHANNELS IN SURROUND SOUND
Rear speaker; Side speaker; Surround channel; Extra surround channel; Center surround channel; Surround speakers; Surround array
Surround channels are audio channels in surround sound multichannel audio. They primarily serve to deliver ambience and diffuse sounds in a film or music soundtrack.
surround         
SYSTEM WITH LOUDSPEAKERS THAT SURROUND THE LISTENER
Surround Sound; Surround; 3D sound; 3D Sound; High definition surround; High Definition Surround Sound; Surround music; Surround audio; Surround sound music; 6.1; Spatial audio; 3/2.1; 9.1; Sound spatialization
v. a.
1.
Encircle, environ, encompass, enclose.
2.
(Mil.) Invest, hem in, fence about.
Surround suppression         
  • Stimulation of the surround with the classical receptive field induces a response that is smaller than stimulation of the classical receptive field alone. Stimulation of the surround only has no effect.
  • The differences between lateral, feedforward, and recurrent connections
  • Suppression often increases with stimulus size beyond the classical receptive field.
Surround suppression is where the relative firing rate of a neuron may under certain conditions decrease when a particular stimulus is enlarged. It has been observed in electrophysiology studies of the brain and has been noted in many sensory neurons, most notably in the early visual system.

Wikipedia

MP3 Surround

MP3 Surround is an extension of MP3 for multi-channel audio support including 5.1 surround sound. It was developed by Fraunhofer IIS in collaboration with Thomson and Agere Systems, and released in December 2004.

MP3 Surround is backward compatible with standard MP3. The data overhead is 16 kbit/s, which allows for file sizes similar to standard stereo MP3 files. The file size is approximately 10% larger than that of a typical MP3 file. The current evaluation encoder is licensed for personal and non-commercial uses. An MP3 Surround file can be created from 5 or 6 channels of WAV audio.

Several companies, such as DivX, Inc. and Magix, have announced support for the new codec. DivX, Inc. released their first player with MP3 Surround support on September 6, 2006.

In January 2006, Thomson and Fraunhofer IIS also released two new companion technologies: Ensonido, which allows playback of MP3 Surround 5.1 channel sound through stereo headphones, and MP3 SX, which upgrades standard stereo mp3 file to mp3 surround files.

On its 5.5 release, Nullsoft Winamp has included the MP3 Surround format as a part of its integrated MPEG audio decoder (released October 10, 2007).

As of 2 July 2008, with system software v2.40, PlayStation 3 supports MP3 Surround playback.