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sound card
sound card (audio card) A plug-in module that adds sound input and output capabilities to a computer; it is a type of add-in card. Some systems have the module as part of their original design. The sound card takes digitized audio signals from the processor and converts them into an analog audio signal used to drive headphones or as input to an audio amplifier or active speakers. The majority of sound cards are PC compatible. The input and output resolution of the D/A converters on these are typically 8 or 16 bit; some are monophonic but most are stereophonic. The input and output sample rates available may vary from 8 kHz through to the CD rate of 44.1 kHz. Some have built-in amplifiers and mixing capabilities. Most sound cards have some form of digital synthesizer while the higher-end systems use digital signal processing technology and can perform wave-table synthesis from samples of real instruments loaded onto either RAM or ROM. See also multimedia.
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JOHN DAINTITH. "sound card." A Dictionary of Computing. 2004. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. JOHN DAINTITH. "sound card." A Dictionary of Computing. 2004. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O11-soundcard.html JOHN DAINTITH. "sound card." A Dictionary of Computing. 2004. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O11-soundcard.html |
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sound card
sound card A hardware card which is found in a computer which provides sound facilities.
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Cite this article
DARREL INCE. "sound card." A Dictionary of the Internet. 2001. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. DARREL INCE. "sound card." A Dictionary of the Internet. 2001. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O12-soundcard.html DARREL INCE. "sound card." A Dictionary of the Internet. 2001. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O12-soundcard.html |
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