[Speex-dev] Problem encoding sine wave in 1.1.6 and somewhat in 1.0.4

Claude Brisson claude at renegat.net
Thu Jan 13 10:40:11 PST 2005

On Thu, 2005-01-13 at 12:42 -0500, Jean-Marc Valin wrote:
> Le jeudi 13 janvier 2005 à 10:59 -0500, Jared Whitby a écrit :
> > Interestingly enough.. I started playing around with preprocessing
> > options in 1.1.6 and happened upon the denoise filter
> > (SPEEX_PREPROCESS_SET_DENOISE). When i run the test tone using that
> > option it is completely filtered out and I just get (complete)
> > silence. When the test tone is intermixed with regular voice I only
> > get the voice. So while i still don't quite understand why the test
> > tone dorks up the encoder, it looks like I have a way around it.
> Well, the denoiser is designed to remove any kind of stationary
> background noise. You sinusoid fits that definition pretty well :-)
> 	Jean-Marc

The "Is is a bug? No, it's a feature" has just make another victim!


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