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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 ...
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A sound chip is an integrated circuit (chip) designed to produce audio signals through digital, analog or mixed-mode electronics. Sound chips are typically fabricated on metal–oxide–semiconductor (MOS) mixed-signal chips that process audio signals ( analog and digital signals , for both analog and digital data ).
S/PDIF can carry two channels of uncompressed PCM audio or compressed 5.1 surround sound; it cannot support lossless surround formats that require greater bandwidth. [4] S/PDIF is a data link layer protocol as well as a set of physical layer specifications for carrying digital audio signals over either optical or electrical cable. The name ...
DirectSound is a deprecated software component of the Microsoft DirectX library for the Windows operating system, superseded by XAudio2.It provides a low-latency interface to sound card drivers written for Windows 95 through Windows XP and can handle the mixing and recording of multiple audio streams.
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.)
Soundboard (computer program), a web application or computer program with buttons that play short, often humorous sound clips; Soundboard, a quarterly publication of the Guitar Foundation of America; Any circuit board used to produce or handle sound Sound card; Sound chip; Sound board, building construction material used for soundproofing