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Definition: high-resolution audio categories


Following are the four "Master Quality" (MQ) categories of high-resolution audio, which were formalized by the major record labels in 2014. See high-resolution audio, PCM, analog, CD and DSD.

 Category  Sound Source

 MQ-P      PCM (minimum 48 kHz/20 bit)

 MQ-A      Analog

 MQ-C      Compact Disc (CD)

 MQ-D      DSD/DSF (2.8/5.6 MHz)