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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.
Combined sound and graphics NMOS chip [16] SID (6581 / 8580) 1981 3 Commodore 64 and Commodore 128 computers, Elektron SidStation synthesizer sound module: NMOS chip (6581) / HMOS-II chip (8580) [17] [18] TED (7360 / 8360) 1983 2 Commodore 16, Commodore Plus/4: HMOS chip [19] Microchip Technology: AY8930: 1989 3 Covox Sound Master Card Oki ...
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.)
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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.
Ad Lib, Inc. was a Canadian manufacturer of sound cards and other computer equipment founded by Martin Prevel, a former professor of music and vice-dean of the music department at the Université Laval. [1]
In addition to PCI and PCIe internal sound cards, Creative also released an external USB-based solution (named X-Mod) in November 2006. X-Mod is listed in the same category as the rest of the X-Fi lineup, but is only a stereo device, marketed to improve music playing from laptop computers, and with lower specifications than the internal offerings.
A sound-powered telephone is a communication device that allows users to talk to each other with the use of a handset, similar to a conventional telephone, but without the use of external power. This technology has been used since at least 1944 [ 1 ] for both routine and emergency communication on ships to allow communication between key ...