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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.
Control channels Controlled source Wave / PCM stereo: Audio signal generated by the CPU via the sound card's digital-to-analog converter. (This includes audio produced by games, MP3 or WAV players, but also some software playing a CD-DA through the CPU, such as, Windows Media Player or Media Player Classic, as well as TV tuner cards that use the CPU for decoding audio.)
Rear of a PCI sound card showing 3.5mm analog outputs. The interface between an auditory output device and a computer is the sound card. Sound cards may be included on a computer's motherboard, installed as an expansion card, or as a desktop unit. [6] [7] The sound card may offer either an analog or digital output.
Sound Blaster Pro 2.0 and later cards for PC (including Sound Blaster 16, AdLib Gold 1000 and AWE32) Silicon-gate CMOS chip [54] [33] [62] Yamaha DS1001 (Konami VRC7) 1990 12 6 2 Famicom cartridge Lagrange Point: Modified derivative of Yamaha YM2413 (OPLL) [76] Yamaha YMF271 (a.k.a. OPX) 1993 36 18 4 12 additional PCM channels Yamaha YMF278 (a ...
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 ...
Makedev includes a list of the devices in Linux, including ttyS (terminal), lp (parallel port), hd (disk), loop, and sound (these include mixer, sequencer, dsp, and audio). [4] Microsoft Windows.sys files and Linux.ko files can contain loadable device drivers. The advantage of loadable device drivers is that they can be loaded only when ...
Windows Sound System (WSS) is a sound card specification developed by Microsoft, released at the end of 1992 for Windows 3.1. It was sold as a bundle which included an ISA sound card, a microphone , a pair of headphones and a software package.
The two sound cards are the same; the Phoebus comes bundled with an external desktop controller that is not included with the Phoebus Solo. [19] [20] Xonar Phoebus Solo 22 April 2013 [19] Xonar SE PCIe July 2019 [21] Xonar STX PCIe Xonar U1 External (USB) Xonar U3 23 December 2014 [22] [23] Xonar U5 14 July 2014 [24] [25] Xonar U7 [26] April ...