InsideInfo – Time Stretching

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    • #117598
      ,Gareth
      Participant

      Hi,

      Just watching the second (I think) part of the InsideInfo latest series. He mentions with time stretching, spectral sounds. So when slowing down a sound, you can hear all the individual notes that make up the sound.

      I’m really curious as to what it means as ‘spectral’. Does it mean different frequency ranges, low, mid and high? Or does it mean more then this, like stereo field vs mono field etc?

      It’s mentioned around 10+ minutes in or so.

      Thanks!

    • #118263
      ,thisisberko
      Participant

      This IRCAM stuff is something similar than the FFT analysis from the last Buunshin video. Its all based on Fourier and the Sum of Sines. With different window settings its analysing the signal in every frequency band (not just 3 bands it can be hundreds or whatever) and re-synthetise it from sine waves. The window settings can be the key parameter for making it sounds realistic to the source or effected.

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