On Thu, 4 Mar 2010, Jonathan Gazeley wrote: > I want to measure how fast I'm turning the pedals on my bike (the > "cadence") and synthesize/sample the sound of an internal combustion engine. > Been there, done that. Forty years ago: Attach a common playing card to your front fork with a clothespin, so that the end of the card is struck by the passing spokes. Vrooom! BTW: The human body is considered capable of producing 1/20hp, or 35 watts on a sustained basis. -- Rick Green "Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." -Benjamin Franklin "As for our common defense, we reject as false the choice between our safety and our ideals." -President Barack Obama 20 Jan 2009 _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user