Wednesday, August 21, 2019

Sound Card / Introduction to computers

          A sound card is an expansion card that facilitates the input output of audio signals to/from a computer under control of computer programs . Typical uses for sound cards include providing the audio component for multimedia applications such as music composition,  editing video or audio,  presentation /education,  and entertainment. Many computers have sound capabilities built in while other require additional expansion cards to provide for audio capability. 
Close-up of a sound card PCB,  showing electrolytic capacitors,  SMT capacitors and resistors,  and a YAC512 two -channel 16-bit DAC

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