Table of Recommended Bitrates for use with psychoacoustic audio compression systems


NOTE : The audio source here is understood to be derived from

Raw bitrates (32 kbs, 56 kbs, 192 kbs etc...) as a measure of the quality of encoded phycoacoustically compressed audio are a poor source of reliable information.

Source : CDs and DVDs (True Stereo [DDD], 20hz-20khz)
Compression Format
Musicam (MP2)
MP3
Ogg Vorbis MP3 Pro AAC
AAC + SBR
Lowest Bitrate 192 kbs
128 kbs
112 kbs
92 kbs
80 kbs
80 kbs
Highest Bitrate (best)
256 kbs
160 kbs
128 kbs
112 kbs
128 kbs
128 kbs
VBR "best effort"
= NA =
[80...128] kbs
= NA =
[80...128 kbs]
[60...112] kbs
[60...112] kbs

Source : FM Radio, Analogue Tape & LPs (Joint Stereo or Matrix Stereo, [AAD] or [ADD], 20hz-16khz)
Compression Format
Musicam (MP2)
MP3
Ogg Vorbis MP3 Pro AAC
AAC + SBR
Lowest Bitrate 112 kbs
92 kbs
92 kbs
80 kbs
60 kbs
60 kbs
Highest Bitrate (best)
128 kbs
128 kbs
128 kbs
92 kbs
112 kbs
92 kbs
VBR "best effort"
= NA =
[80...128] kbs
= NA =
[80...128 kbs]
[60...112] kbs
[60...112] kbs

Speech sources : MW Radio, Talking Books (Parametric Stereo, [AAA], 120hz-12khz)
Compression Format
Musicam (MP2)
MP3
Ogg Vorbis MP3 Pro AAC
AAC + SBR
Lowest Bitrate 48 kbs
32 kbs
32 kbs
32 kbs
28 kbs
28 kbs
Highest Bitrate (best)
60 kbs
48 kbs
48 kbs
48 kbs
48 kbs
92 kbs
VBR "best effort"
= NA =
[16...48] kbs
= NA =
See MP3
[16...28] kbs
See AAC


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