Hi Ivo.
I am also not part of the development team but I am interested in the progress,
mostly in VBR.
The beta versions are generally bug free. I have not found any versions that have
introduced any noticeable problems and I can recommend using the latest one (3.60)
which has had a large improvement in VBR quality. There have been some substantial
gains in sound quality & speed since 3.50. From what I gather, the next release
(3.61) will provide a substantial increase in the speed of VBR encoding so I am
looking forward to that.
If you are using VBR then the following switches are manditory (IMO):
-h -V5 -b32 -B320 -k --lowpass 24
I'm not sure if -k is necessary anymore but will do no harm. Maybe a developer can
comment on that.
The lowpass switch is really a requirement, otherwise the high frequencies start
reducing above 13khz which is not acceptable (IMO). I seriously think this filter
should be removed or altered to not affect any frequencies below 16khz.
Cheers,
Ross.
Ivo van Heel wrote:
> This is the first time I actually post to this maillinglist and I hope this
> question is not out of place. I can not be called an MP3 codec expert, nor an
> expert on the human hearing capabilities and sound technique in general. I am,
> however, an MP3 and music enthoussiast, in every sense of these words' meaning.
>
> My question concerns LAME 3.51 and the new beta versions. Currently, I am using
> the stabe release LAME 3.51. Reading this maillinglist, I've found it very
> interesting to read through all the discussion concerning quality improvements
> and such. Much of these subjects are expirimental, I've - rightfully I hope -
> noticed. So I'm a bit wary about using newer beta versions. The actual question
> I'd like to see answered is: how stable are these newer beta versions of LAME
> in respect to quality? Is the produced mp3 of higher quality in general than
> those produced with version 3.51? How big is the chance of screwing up a WAV
> with beta versions?
>
> Ivo
>
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