tis 2007-10-16 klockan 09:41 +0200 skrev joerg piringer: > if(sampcounter > samplerate) > { > <<< "freq: ", counter/4 >>>; > 0 => sampcounter; > 0 => counter; > } > 1::samp => now; > } > Are you sure? Shouldn't it be counter/2? AFAIK, the sine crosses zero each other time. Gasten