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  • chipaudette's Avatar
    09-21-2020, 05:37 PM
    The OpenAudio library is a collaboration between me and Bob Larkin. Since I don't recognize the file "DSP_Teensyduino_32.h", I'm assuming that it's something that Bob added. If it fails to compile with the #include...
    7 replies | 325 view(s)
  • chipaudette's Avatar
    09-20-2020, 12:47 PM
    Formant shifting and pitch shifting are indeed different things. My links are for formant shifters that work in the frequency domain. They move the amplitude of the FFT bins up or down but leave the FFT phase values...
    7 replies | 325 view(s)
  • chipaudette's Avatar
    09-16-2020, 12:51 AM
    Moving all the formants up and down isn't particularly difficult...if you've already got a frequency-domain processing algorithm stack going. Getting the round trip FFT/IFFT processing needed to into and out of the...
    7 replies | 325 view(s)
  • chipaudette's Avatar
    09-02-2020, 08:15 PM
    If you're going to try to implement frequency-domain noise reduction, be aware that the Teensy 3.2 will probably not be fast enough to do a round-trip FFT->IFFT in order to do the frequency-domain processing. Even if...
    4 replies | 270 view(s)
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Formant Isolation 09-21-2020 05:37 PM
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10-18-2015