Re: sample rate converter?

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On 09/27/2013 04:15 PM, peter@xxxxxxxxxxxxxx wrote:
On Fri, Sep 27, 2013 at 09:37:00AM -0400, Grekim Jennings wrote:

I need to convert 24-bit 48000 .wav to 44100 .wav.
What's your go-to converter for this?
Quality would be my first consideration,
2nd would be ease of install or build,
3rd would be I have a preference for command line.
This would be for off-line use.

I use zresample wich comes as an example app with the zita-resampler
library. Apart from resampling it can also change the sample format,
and add dither if the output is 16-bit. It handles any number of
channels.

also, of course, sox (which has a larger selection of dithers if you need
that). and there's sndfile-convert (in the suite of libsamplerate tools).

there have been some debates over the years about respective quality of
these various tools... i'd be interested if anyone has recent test
results!

http://src.infinitewave.ca/

zita has been in there for a while, and it looks good. :)

note: before anyone gets their panties all in a knot about aliasing, look at the color scale. even if it looks scary, it's probably at -120dB. if you want to see bad, check out the wavosaur. :)


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