Here is a compiled table of recommended bitrates for phycoacoustical
compression of audio that is derived from
- Compact Disks
- FM Radio, Analog Tape & LPs
- Speech sources
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, Analog 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
|