Labels:chat room | hakham | monitor | sky OCR: 4 2 4 SECTION A CHAPTER 8 A sound card is typically equipped to accept input from microphone and send to speakers or headphones. For processing digital audio files, sound card contains special type of circuitry called digital signal processor which performs three important tasks. It transforms digital bits into analog waves when you play digital audio file transforms analog waves into digital bits when you make sound recording It also handles compression and decompression if necessary To play digitally recorded sound, the bits from an audio file are transferred from disk to the microprocessor, which routes them to your computer's sound card The digital signal processor handles any necessan decom- pression, and then trans the data into analog wave signals These sig nals are routed to the sp ...
