non realtime frequency plot - how hard is it?


    Mar 18 2010 | 10:49 am
    Hi,
    I've been trying to make a patch able to export the frequency vs amplitude values (in a form of a table or array or anything similar) from an audio signal. It doesn't have to be real time. In fact, I prefer it non realtime...
    Ideally, I would like to trigger the patch for say 10 secs and get the frequency response of the audio for these 10 secs.
    Hope it makes sense :)
    I'm not bothered about visual representation, although it'll be easy once I've got the values.
    Unfortunately, I don't have great joy at the moment. My approach is to use a [cartopol~] after the [fft~] and convert (somehow) the theta into Hz, so as I can export the amplitude and frequency from the [cartopol~].
    Not even sure if it's a right approach so any advice is more than welcome :)
    thanks michael

    • Mar 18 2010 | 1:10 pm
      When you mention table or array, I'm thinking Jitter matrices. Check the phase vocoder patches I made available on the share page. Also, your approach sounds kind-of right, but using [pfft~] instead of [fft~] might give you great joy. Jean-François. -- www.jeanfrancoischarles.com