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zero-crossing based pitch detection for whistling
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README
txt_to_wav.py
zeros.c
zeros.py

README

Usage:

1. Install portaudio:

    $ wget http://www.portaudio.com/archives/pa_stable_v190600_20161030.tgz
    $ tar -xvzf pa_stable_v190600_20161030.tgz
    $ cd portaudio
    $ ./configure --disable-mac-universal
    $ make
    $ sudo make install

2. Build zeros.c:

    gcc zeros.c -Wall -o zeros -lportaudio

3. Put on headphones, use a highly directional mic, or otherwise avoid letting
   the output of this program mix with the input.

4. Run it and whistle:

    ./zeros

If you want to use this with a DAW such as Reaper there's a plug-in version:

   source: https://github.com/jeffkaufman/iPlug2
   mac vst: https://www.jefftk.com/BassWhistleVST3-v1.zip
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