Sound card

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{system, computer, user}
{album, band, music}
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Motherboard via one of:

Line in or out: via one of:

Microphone via one of:

  • TRS connector
  • PIN connector

A sound card (also known as an audio card) is a computer expansion card that facilitates the input and output of audio signals to and from a computer under control of computer programs. Typical uses of sound cards include providing the audio component for multimedia applications such as music composition, editing video or audio, presentation, education, and entertainment (games). Many computers have sound capabilities built in, while others require additional expansion cards to provide for audio capability.

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