Bad quality resampling w/ libsamplerate
---------------------------------------

                 Key: LS-611
                 URL: http://dev.sourcefabric.org/browse/LS-611
             Project: Liquidsoap
          Issue Type: Bug
    Affects Versions: 1.0
            Reporter: Romain Beauxis
            Priority: Major


From the ML:

""""

I use the 'input.external' function, and I realize that the 'resample' provide 
bad quality.
My input is 32khz type, so resampling has to be done.
 
input.external(samplerate=32000,"cat /tmp/audio.wav")  à bad quality
 
So I tried with sox resampling and the result is good
 
input.external(samplerate=44100,"cat /tmp/audio.wav | sox --buffer 640 -c 2 -r 
32000 -b 16 -e signed -t raw - -c 2 -r 44100 -t raw -")  à good quality
 
Is there any parameters into LS resampler to improve its quality and avoid the 
use of sox?

"""

Use has confirmed he was using libsamplerate converter and has tried all 
available modes.


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