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Music servers and other computer based digital audio technologies.

it says 20/44.1, but calls it CD Quality.

If you look at the graph there is a signal down to -120 dBFS=20 bit.
The signal goes up to 44.1 so 88.2 / 2 so indeed a 24 bit/88.2 file.

The problem is the qualification "CD quality".
There are a couple of programs out there trying to discriminate between highres, lossless and lossy compression. None of them are reliable. Looks like Audirvana is one of them.

A comment on YouTube
"Sometimes "Audio Scan" shows that MP3 songs are CD quality (that is impossible because MP3 are lossy) and sometimes "Audio Scan" shows that FLAC files in "Master" quality from TIDAL are lossy MP3 so this is very confusing because I don't know who is telling the truth (Audirvana or Tidal). For example you can test the album "Courage" by Celine Dion which is "Master" quality according to TIDAL but according to "Audio Scan" most of the songs from that album are lossy MP3"

The Well Tempered Computer


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  • it says 20/44.1, but calls it CD Quality. - Roseval 05:12:49 03/25/24 (1)

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