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5.1 surround sound ("five-point one") is the common name for surround sound audio systems. 5.1 is the most commonly used layout in home theatres. [1] It uses five full-bandwidth channels and one low-frequency effects channel (the "point one"). [ 2 ]
[citation needed] After the discontinuation of SoundStorm, codec chips such as the Realtek 850 have become standard integrated audio solutions, with audio processing functions offloaded onto the host processor. As such, the quality of the device drivers is important to ensure reasonably low host processor usage, without audio quality issues.
Dolby AC-4 is an audio compression standard supporting multiple audio channels and/or audio objects. Support for 5.1 channel audio is mandatory and additional channels up to 7.1.4 are optional. [38] AC-4 provides a 50% reduction in bit rate over AC-3/Dolby Digital Plus. [38]
Sound Blaster Live! was the first sound card from Creative with the "What U Hear" recording input source. This was supported in the Windows drivers, so no additional software was needed to utilize it. The analog stereo audio signal that came out of the main Line Out was directed into this input.
Dolby TrueHD is a lossless, multi-channel audio codec developed by Dolby Laboratories for home video, used principally in Blu-ray and compatible hardware. Dolby TrueHD, along with Dolby Digital Plus (E-AC-3) and Dolby AC-4, is one of the intended successors to the Dolby Digital (AC-3) lossy surround format.
The I/O Drive Box is an internal 5 1 ⁄ 4 drive with analog and digital I/O audio jacks and volume control knobs. Also bundled with the remote control. Also bundled with the remote control. Cards with UAA support (CA0112, integrated in CA20K2 for Titanium cards) can perform basic functions with just the supplied Windows driver.
The Audigy SE (SB0570) and Audigy Value (SB0570) are stripped down models, with a less expensive CA0106 audio-controller in place of the EMU10k2. With the CA0106, the SE/Value are limited to software-based EAX 3.0 (upgraded to software-based EAX 4.0 with a driver update), no advanced resolution DVD-Audio Playback, and no Dolby Digital 5.1 or Dolby Digital EX 6.1 playback.
Other commercial formats include the competing DVD-Audio (DVD-A) and Super Audio CD (SACD) formats, and MP3 Surround. Cinema 5.1 surround formats include Dolby Digital and DTS . Sony Dynamic Digital Sound (SDDS) is an 8-channel cinema configuration that features 5 independent audio channels across the front with two independent surround ...
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