[LAU] best 96/24 to 44.1/16 to 96/24 convertion chain

[Andrew Gaydenko]

On Saturday, May 08, 2010 14:01:24 Julien Claassen wrote:
> Hi Andrew!
>    I'd still go for either the zita-resampler by Fons from kokkinizita.net
> or for sndfile-resample, which should be in any distro, with Debianlike
> distros search for it like this:
> apt-cache search sndfile
>    Install the progs pakage.
>    Both have a nice help. Yet I don't think triangular dithering is the
> best you can do. I think some kind of shaped noise.
> resample --help
> or:
> sndfile-resample --help
>    should give you enough output.
>    With sndfile you'd also need sndfile-convert to change the bitrate:
> sndfile-convert -pcm16 in.wav out.wav
> sndfile-convert -c 0 -to 44100 out.wav final.wav
>    Or:
> resample --rate 44100 --16bit --lips in.wav final.wav
>    Instead of --lips you can also use --tri for triangular dithering. I
> don't know of any such option for sndfile-convert.
>    I hope that helps.
>    Kindest regards
>            Julien

So, 

- for normalizing: http://normalize.nongnu.org/ with --peak option
- for sample rate changing: sndfile-resample from SRC
- for bit depth changing and dithering: resample from Fons

Is it the best?


Andrew