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Universal Audio Architecture (UAA) is an initiative unveiled in 2002 by Microsoft to standardize the hardware and class driver architecture for audio devices in modern Microsoft Windows operating systems. Three classes of audio devices are supported by default: USB, IEEE 1394 , and Intel High Definition Audio, which supports PCI and PCI Express.
The following tables compare general and technical information for a variety of audio coding formats . For listening tests comparing the perceived audio quality of audio formats and codecs, see the article Codec listening test .
Those devices categorized as Realtek's computer peripheral IC products consist of the traditional AC'97 audio codecs, the High Definition Audio codecs, card reader controllers, clock generators and IEEE 1394 ICs. Multimedia IC products include LCD Monitor Controllers, LCD TV Controllers and Digital Media Processors.
An audio codec, or audio decoder is a device or computer program capable of encoding or decoding a digital data stream (a codec) that encodes or decodes audio.
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 ( 5.1) audio configuration.
The Environmental Audio Extensions (or EAX) are a number of digital signal processing presets for audio, present in Creative Technology Sound Blaster sound cards starting with the Sound Blaster Live and the Creative NOMAD / Creative ZEN product lines. Due to the release of Windows Vista in 2007, which deprecated the DirectSound3D API that EAX ...
A sound card (also known as an audio card) is an internal expansion card that provides input and output of audio signals to and from a computer under the control of computer programs. The term sound card is also applied to external audio interfaces used for professional audio applications.
A sound chip is an integrated circuit (chip) designed to produce audio signals through digital, analog or mixed-mode electronics. Sound chips are typically fabricated on metal–oxide–semiconductor (MOS) mixed-signal chips that process audio signals ( analog and digital signals, for both analog and digital data ). They normally contain audio components such as oscillators, envelope ...
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