Originally Posted By: rharv
FWIW, as far as I know, mp3 format has a 16kHz top end cutoff regardless of the bitrate, so you lose something in the top end no matter what. Regardless of codec or software used.


I had not heard that but it makes sense. A search came up with an article that states MP3 top end frequency cut off is related to the sampling conversion. The chart below is copied from ++ THIS ++ link.

bit rate > cut-off frequency > compression
1411kbps > 20kHz > 1:1
320kbps > 19.5kHz > 1:4.4
192kbps > 18kHz > 1:7.3
160kbps > 17kHz > 1:8.8
128kbps > 16kHz > 1:11
96kbps > 15kHz > 1:14.7
64kbps > 11kHz > 1:22
32kbps > 5kHz > 1:44

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