Earlier quoted context omitted.
I believe you are under estimating the 'early reward' effect. For those who don't know it, the theory behind early reward is that you create a teaching system which rewards early and often and gradually ramps and you can get more people taught. The thought is that lowering the threshold to success gets you more participants. Its used a lot in game play to draw you in. That being said, when Guitar Hero came out for th…
I think it's fair to say that one reason guitar is so popular is because of the early reward effect. For this sort of price a beginner can go buy a pretty decent electric guitar and amplifier with some built in effects. Give them an hour or two and they'll be belting out a recognizable Teen Spirit in a few hours. Seriously. Meanwhile: > "...detect exactly what you're playing in real-time and relay each note to your i…
Given what looks like a resonant cavity, and the 'short' battery life of the guitar body, I'm guessing they have an audio amplifier built into the guitar and they pick up the signal from the docking connector.