本帖最後由 superman9394 於 2011-6-8 21:37 編輯
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DAC = Digital to Analog Converter 將數碼訊號轉模擬訊號
網上大把資料 
http://en.wikipedia.org/wiki/Digital-to-analog_converter
Audio 方面:
Most modern audio signals are stored in digital form (for example MP3s and CDs) and in order to be heard through speakers they must be converted into an analog signal. DACs are therefore found in CD players, digital music players, and PC sound cards. |