Overview

Goal

Write a go program to distinguish between three different guitar chords (Em, Am, G) and recognize them.

Installation

brew install portaudio
go get
go build

./go-guitar demo.aiff
... time passes
afplay demo.aiff

Open questions

• what is sampling actually?
• what does 44100 bits/second actually mean?

FOR SDL

brew install sdl2{,_image,_mixer,_ttf,_gfx} pkg-config
go get -v github.com/veandco/go-sdl2/{sdl,img,mix,ttf}

References

• AIFF documentation