Audacity Forum

Thank you guys for the detailed explanations and inspirations, now I have a clear picture of this case. So Audacity takes the maximum value inside a buffer of samples, but only the positive ones (and this seems to be an issue). I don't think that something like fabs(x) would slow down the processing...

Audacity only meters the top half of the blue waves

Hi Koz, if with "top half" you mean positive values, I think that this is the right way, because you need to know only the absolute value of a sample (modulus). Please correct me if I'm wrong!

Dear forum, this is my first post here, so ... nice to meet you (and forgive my English) :) I'm trying to understand how audacity peak meter works, and so far these are my knowledges: 1) the "core" thing is into Meter::UpdateDisplay(int numChannels, int numFrames, float *sampleData) 2) the formula: ...