Unlike high-definition video, there’s no single universal standard for hi-res audio. In 2014, the Digital Entertainment Group, Consumer Electronics Association and The Recording Academy, together with ...

HDtracks pioneered high-resolution audio downloads and offers music titles ... the pure analog sound of vinyl LP records. See vinyl record. THIS DEFINITION IS FOR PERSONAL USE ONLY.

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.