Christian Schepke schrieb am Mit, 12 Jul 2000:
> Are we talking about bandwidth or sampling frequencies ?
> I think meant was to lower the sampling frequency from
> 44.1 kHz (frequencies - 20 kHz) to 32 kHz (frequencies - 16 kHz).
> Imho it would make no sense to resample a CD (44.1kHz) and encode it then.
> (Btw. Is 32 kHz a valid samplerate from the ISO specs ?)
YES, 32 kHz is a valid samplerate from the ISO specs.
( MPEG 1: 32, 44.1, 48 )
> It's easier and also quite efficient to lowpass at 16 kHz and encode it
> then to mp3.
> The problem with the resampling is not only the time it takes more to encode,
> it's also quite annoying to get the noise from the resampling routines ...
I think the original point was, if there is a lowpass around 16 kHz,
would it be better to start with a 32 kHz or a 44.1 kHz source material.
>
> A+
> Christian
>
> --
> Christian Schepke Tel.: +49 (0)231 39 88 99 3
> Lehrstuhl fuer Kommunikationstechnik
> Universitaet Dortmund [EMAIL PROTECTED]
Ciao Robert
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