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Three classes of audio devices are supported by default: USB, IEEE 1394 , and Intel High Definition Audio, which supports PCI and PCI Express. Starting with Windows Vista, Microsoft requires all computer and audio device manufacturers to support Universal Audio Architecture in order to pass Windows Logo certification.
The Service Pack 3 update to Windows XP and all later versions of Windows (from Vista onwards) included the Universal Audio Architecture (UAA) class driver, which supported audio devices built to HD Audio's specifications. Retrospective UAA drivers were also built for Windows 2000, Server 2003 and XP Service Pack 1/2.
ALS 100 Audio Chip Avance Logic, Inc. was a hardware manufacturer founded in 1991 in Fremont , California , and was most recently headquartered in San Jose, California . Avance Logic focused particularly on the development of low-cost, highly integrated electronic components for OEM manufacturers and was active in the areas of 2D graphics and ...
Audio Stream Input/Output (ASIO) is a computer audio interface driver protocol for digital audio specified by Steinberg, providing high data throughput, synchronization, and low latency between a software application and a computer's audio interface or sound card.
Later, the integrated audio (AC'97 and later HD Audio) prefer the use of a software MIDI synthesizer, for example, Microsoft GS Wavetable SW Synth in Microsoft Windows. With some exceptions, [ d ] for years, sound cards, most notably the Sound Blaster series and their compatibles, had only one or two channels of digital sound.
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 ).
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Drivers that may be vulnerable include those for WiFi and Bluetooth, [19] [20] gaming/graphics drivers, [21] and drivers for printers. [ 22 ] There is a lack of effective kernel vulnerability detection tools, especially for closed-source OSes such as Microsoft Windows [ 23 ] where the source code of the device drivers is mostly not public (open ...