The basic function of a sound card is to convert the original sound signals from microphones, tapes, and optical discs, and output them to sound equipment such as headphones, speakers, amplifiers, and recorders, or to make synthetic instrument sounds through the digital interface (MIDI) of music equipment. Sound card is also called audio card, which is the most basic component of a computer multimedia system as well as a hardware to achieve the conversion of sound waves / digital signals. Part 1: Best 7.1 external sound cards for laptop ![]()
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