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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.
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 ...
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.)
Advanced Linux Sound Architecture (ALSA) – the standard Linux sound-driver interface; Scanner Access Now Easy (SANE) – a public-domain interface to raster-image scanner-hardware; Installable File System (IFS) – a filesystem API for IBM OS/2 and Microsoft Windows NT; Open Data-Link Interface (ODI) – network card API similar to NDIS
The card was and is often mistakenly called LAPC-1, but photos of the card's PCB and retail box show a capital letter I rather than a figure 1. Further evidence can be found in the owners manual which mentions the LAPC-I and also MCB-1, clearly showing specific use of I instead of 1. [2] The "I" presumably stands for "IBM PC", and the "N" for ...
Taylor Swift’s most important fashion critic? Her fans, of course. When the “Karma” singer dropped by the Children's Mercy Hospital in Kansas City on Thursday, December 12, surprising ...
The Covox Speech Thing is an external digital-to-analog converter (DAC) that plugs into the parallel printer port of a PC.It converts 8-bit digital sound using a simple R-2R resistor ladder into an analog signal output.