Mark wrote:
> I would suggest changing to a more sox like settings, where you specify
> the lowpass frequency, and then a width or rolloff parameter.
> lowpass_l and lowpass_h seems a little confusing. What about:
>
> --lowpass
> --lowpass_width
>
> And then there could be a default width of about 15%
>
> Mark
OK, I just uploaded a new lame.c, now options look like:
--lowpass <freq>
--lowpass-width <freq>
--highpass <freq>
--highpass-width <freq>
I switched the meaning of freq from Hz to kHz, because
of the --freq <sfreq> and --resample <sfreq> options.
You have to pass (re)sample frequencies in kHz too.
If you don't pass the ...-width options, they will
be 15% of lowpass/highpass, just as Mark suggested.
Thank you Ross for the info about radio frequencies.
Coding FM quality with sharp cutoff would look like:
lame --highpass 0.05 --highpass-width 0
--lowpass 15 --lowpass-width 0
-m j -b 128 <filename.wav> <filename.mp3>
Robert
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