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RE: What is MQA ?


1. It is a way of storing and transmitting high resolution audio data within a standard resolution audio stream.

2. It is a way of doing this so that the audio stream remains compatible with a replay sytem that does not have the ability to decode MQA (although the hi-rez information will not then be available).

3. It corrects abberations caused by the ADC encoding and DAC decoding digital filters.

4. It allows the proprietor of the original recording to validate the recording that is stored or transmitted.

These are MQA's claims I believe. I understand that there is a small loss in bit depth (24 bits becomes effective 22 or 23 bits) when decoded. However it seems that this is probably inconsequential when listening, particularly as a practical audio system with true 24 bit capability i.e. S/N ratio of 144dB, would be unusual especially if ambient room noise is accounted for.


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