十大謊言 .....相信否
Pulse-code modulation - Wikipedia, the free encyclopedia十大謊言 ..... 相信否 ??Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form of digital audio in computers, Compact Discs, digital telephony and other digital audio applications. In a PCM stream, the amplitude of the...
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