Hello,
I have a interesting (I think) test sample (.wav ~1.6MB), which consists mainly of
cymbal hits, with some drums and bass. The problem here is the the cymbal hits. Small
reports using lame 3.70 (the last stable release) and 3.85b (last beta?) is below.
However: the CBR result was better (though not very at 128kbs) in 3.70; VBR performs
better than ABR and CBR with 3.85b.
in 3.85b I'm a little bit worried by the VBR quality setting, which produce fully
different behavior (average bitrate) than in 3.70.
If somebody is interested in getting the .wav for more testing, just tell me where to
upload it.
Pierre
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lame 3.70
CBR 96 horrible/artefacts
CBR 128 acceptable/slight artefacts
VBR 6 (107kbs) poor/artefacts
VBR 5 (123kbs) poor
VBR 4 (163kbs) correct
lame 3.85b (--lowpass 15 for all VBRs)
CBR 96 horrible/artefacts
CBR 128 acceptable/artefacts
CBR 192 good
VBR 9 (119kbs) acceptable/slight artefacts
VBR 8 (125kbs) acceptable
VBR 7 (131 kbs) correct
VBR 6 (136 kbs) correct
VBRnew 9 (147kbs) good
ABR 128 (134kbs) acceptable/sligth artefacts
Conclusion:
great improvement of VBR_rh from 3.70 to 3.85b
ABR slightly better than CBR
VBR slightly better than ABR and CBR
VBR_mt and VBR_rh quality similar ?
CBR 128 better with 3.70
default low pass two low in VBR modes
need -V > 10 in VBR !!
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