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We review the DAC technology in detail. Contact: / Distritohifi 0:00 Introduction 00:36 What are DACs? 1:16 PCM Audio 3:39 DSD Audio 4:52 How does a DAC work? 5:34 Single bit DACs and Delta Sigma Modulation 8:35 Advantages and disadvantages of Delta Sigma 10:52 Multibit DACS 11:42 Multibit on a single chip 12:57 Advantages and disadvantages 13:45 R2R DACS 15:51 Advantages and disadvantages 16:47 Conclusions