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7.1 surround sound is the common name for an eight-channel surround audio system commonly used in home theatre configurations. It adds two additional speakers to the more conventional six-channel audio configuration. As with 5.1 surround sound, 7.1 surround sound positional audio uses the standard front left and right, center, and LFE (subwoofer
Motherboards typically do not have any more than eight built-in output channels (7.1 surround sound) and four input channels (back and front panel microphone inputs, and a back-panel stereo line-in). Users requiring more audio I/Os will typically opt for a sound card or an external audio interface , as these provide additional features that are ...
AC'97 defines a high-quality, 16- or 24-bit audio architecture with 5.1 surround sound support for the PC. AC'97 supports a 96 kHz sampling rate at 24-bit stereo resolution and a 48 kHz sampling rate at 24-bit stereo resolution for multichannel recording and playback.
Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener (surround channels). Its first application was in movie theaters .
Avance Logic was acquired by Realtek as early as 1995 and was an independent subsidiary until the end of 2002, when the company was integrated into Realtek. Realtek's Audio Solutions are based on Avance Logic technology, which can also be recognized by the prefixes "ALG" (Avance Logic Graphics) and "ALS" (Avance Logic Sound). [5]
The Sound Blaster Audigy 2 ZS (SB0350) was a revision of the Audigy 2 with a slightly improved signal-to-noise ratio (108 vs. 106 dB) and DTS-ES (Extended Surround) for DVD playback. The Audigy 2 ZS supports up to 7.1 speakers via 4-pole mini-jacks, although it used a non-conventional pin out: Side R/L are on Line Out 2/3, respectively.
DTS-HD MA can store up to 8 discrete channels of audio (7.1 surround) at up to a 24 bit sample depth and 192 kHz sampling frequency (96 kHz for 6.1 or 7.1 surround). [2] Although DTS-HD MA, and the related DTS-HD, allow virtually any number of channels in the abstract, [ 3 ] these limits are imposed for practical reasons of limited storage and ...
A virtual surround system must provide a means for 2-dimensional imaging of sound, using some properties of the human auditory system. The way that the auditory system localises a sound source is a topic that is studied in the field of psychoacoustics. Thus, virtual surround systems use knowledge of psychoacoustics to "trick" the listener ...
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