AoTuV
Abbreviation for Aoyumi's Tuned Vorbis; it is third-party development/tuning of the Vorbis encoding algorithm.
aoTuV versions improves significantly on Vorbis quality: Most people agree aoTuV beta 4 achieves transparency at -q 5.
The latest version is aoTuV beta 4.51. It improves further on low bit-rate quality, to such extent that some reports -q 1.5 is good enough for streaming.
See Recommended Ogg Vorbis for more details.
See also aoTuV's home page.
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