[Todd Harrison] recently wrote in to tip us off on his submission to the Tektronix oscilloscope contest – using a scope to tune a piano. In his video he demonstrates how a Fast Fourier Transform can ...

A few years ago Gibson began introducing some clever new technology to a select few guitars which automatically tuned the instrument and kept it there (seen most recently in the gorgeous Firebird X).

[JanHerman] knows that tuning musical instruments is all about precision and that precision is measured in a logarithmic unit called a cent. A cheap tuner unit might be accurate to 1.5 cents which ...