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Intel High Definition Audio (IHDA) (also called HD Audio or development codename Azalia) is a specification for the audio sub-system of personal computers. It was released by Intel in 2004 as the successor to their AC'97 PC audio standard.
Since Microsoft's Universal Audio Architecture (UAA) initiative which supports HD Audio, FireWire and USB audio device class standards, a universal class driver by Microsoft can be used. The driver is included with Windows Vista. For Windows XP, Windows 2000 or Windows Server 2003, the driver can be obtained by contacting Microsoft support. [32]
S/PDIF can carry two channels of uncompressed PCM audio or compressed 5.1 surround sound; it cannot support lossless surround formats that require greater bandwidth. [4] S/PDIF is a data link layer protocol as well as a set of physical layer specifications for carrying digital audio signals over either optical or electrical cable. The name ...
KMixer is the Kernel Audio Mixer driver, a part of WDM Audio in Windows 98 to Windows XP which handles the mixing of multiple sound buffers into an output. The tasks performed by KMixer.sys: Mixing multiple PCM audio streams; Format, bit-depth (also known as word-length) and sample-rate conversion; Speaker configuration and channel mapping
Sound Blaster Audigy Player Sound Blaster Audigy 2 ZS Gold. Sound Blaster Audigy is a product line of sound cards from Creative Technology.The flagship model of the Audigy family used the EMU10K2 audio DSP, an improved version of the SB-Live's EMU10K1, while the value/SE editions were built with a less-expensive audio controller.
In 2004, Intel released Intel High Definition Audio (HD Audio) which is a successor that is not backward compatible with AC'97. [2] HD Audio has the capability to define up to 15 output channels, but in practice most motherboards provide no more than 8 channels ( 7.1 surround sound ).
On 29 August 2008, VIA announced that they would release official 2D accelerated Linux drivers for their chipsets, and would also release 3D accelerated drivers. [6] In July 2008, VIA Labs, Inc. (VLI) was founded as a wholly-owned subsidiary of VIA Technologies Inc. (VIA) to develop and market integrated circuits primarily for USB 3.0.
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.