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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.
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 ...
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A Logitech-branded webcam attached to a laptop. A webcam is a video camera which is designed to record or stream to a computer or computer network.They are primarily used in video telephony, live streaming and social media, and security.
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 ...
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.
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.)
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 ).