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Simple guitar tuner. Compiles on OSX and Linux.

To Compile:

  1. Download and install portaudio.
    • For OS X, use homebrew or macports to install -- brew install portaudio.
    • For Ubuntu, use apt-get install portaudio19-dev.
  2. run "make"
  3. the output is ./tuner


This tuner app works by calculating the magnitude of the FFT and mapping it to a note. Many more ideal methods could be pursued.


Modified version by Jake Garrison (2014)
Original concept by Bjorn Roche (2012)