Posted by NRen2k5 on 01/20/07 17:42

estvks@gmx.de wrote:
> Hi group,
>
> I am trying to convert a magnetic tape recording to mp3.
> First I produce a wav-file, then I normalize and convert it to mp3.
> I have done this with CDex and with AudioGrabber, both with external
> Lame encoder 3.97b.
>
> The problem:
>
> The mp3 file has too low volume.
> Normalization seems not to work (in both programs!) because the volume
> of the mp3 is similar to that of the wav.
>
> I tried normalizing the max to 100% and the average to 90% - can't
> hear any difference to the original wav.
>
> How can I increase the volume of the mp3?
>
> Is there any software I can use to increase the bass frequencies of
> the recording?
>
> Thanx,
> Erich

Instead of normalizing the WAV, first encode the MP3 and then use
MP3Gain. This does a gain-based normalization rather than a peak-based
normalization.

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