On Mon, Apr 9, 2012 at 11:32 PM, Julian Schmidt <[email protected]> wrote: > I really think it is an aliasing problem. > but not due to the wrong wavetable content, but due to a cheap audio codec > with poor filters. > [...] > even when i output a single 440hz sine i get harmonics starting at -48db up > to nyquist and beyond.
Lemme guess your wavetable size is 256? That's the amount of distortion that would be expected from using "no interpolation". If that's what you have then the codec is not at fault. -olli -- dupswapdrop -- the music-dsp mailing list and website: subscription info, FAQ, source code archive, list archive, book reviews, dsp links http://music.columbia.edu/cmc/music-dsp http://music.columbia.edu/mailman/listinfo/music-dsp
