> >What is the formula for calculating latency in Jack? For example, I > >start jackd with a period size of 256 and 2 periods, a sample rate of > >44100. Using a mic input and FreqTweak, that's pretty close to > >inaudible latency to my ears. How do I calculate the actual ms value > >of that? > > output latency = period size * nperiods > input latency = period size > through latency = output latency > jitter = period size > > if period size = 256, nperiods = 2 and SR = 44100, then the output > latency is 256/44100 * 2 = about 11 milliseconds. Freqtweak will also be adding to the latency depending on the FFT size (and overlap) you choose. Switch to a large FFT and you'll definitely start hearing it. You can bypass one channel and hear the effect in comparison with the unbypassed channel.
jlc
