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This is really neat and well crafted! Constructive feedback: After you tune the guitar and hit the 'play a lick', the notes ring on too long. I'm not sure how you've configured your sound generators, but you'll need to configure an envelope on the sound that cuts it off before the next note rings. This would come down to simply adjusting the 'release' parameter to be very small (though not zero) so that the sound decays quickly before the next note begins. Also, after that, in the paragraph under "How does it work", the statement "Guitars generate noise through the vibration of their strings" is a little bothersome. While this is true, it would be more correct to say sound (or even pitches) instead of noise. The technical meaning of noise is a random distribution of frequencies across the sound spectrum, and actually sounds like the static you hear when you're radio is not tuned into a station. It's somewhat true because a guitar string will generate a quick burst of noise after being plucked, but after that the string settles into a resonating cycle that follows the harmonic series, which is definitely not noise. Third nitpick... oh man, I'll try to be brief, but I would just take out the section on beats and 'overtones'. As elihu mentioned, its actually 'difference tones'. Overtones are a part of a single sound. I would take the part out because it's actually bad practice to eliminate beats when tuning a guitar using open strings (in other words, tuning by perfect fourths) because the frets of a guitar are tuned to 12 Tone Equal temperament. If you eliminate the beats in a perfect fourth it will be a Justly tuned perfect fourth, which is 498 cents. An equally tempered perfect fourth is 500 cents even. The result would be the A string will be 2 cents flat, and then the D string will be 4 cents flat, and the G string 6 cents.. etc. If you want to keep the part about beats and tune by ear, its better to play the A on the E string and tune using a unison. Then you can use the beats trick! Disclosure: BA in Music with emphasis on Guitar and Sound Design. (See, BA's aren't completely useless!) |