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  1. michefabb

    How to convert narrow band to third octave band

    Thanks for your answer. I don't understand: if I do so I could sum directly all the values (it gives the same result) and it depend by how many points I take. How could I do?
  2. michefabb

    How to convert narrow band to third octave band

    I have a pressure signal p(t), I made the FFT of (p/p0), now I want to get the sound pressure level of every third octave band between 16 and 20000Hz (by this way I can add logarithmically the 32 values and I have the dB of the noise, so that the sum doesn't depend by the frequency...

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