It has been 11 years since I last wrote about feedback, so I thought it was time to return to that topic. Most of us have memories of the sound of a hearing aid squeaking loudly in church. Many times, ...

A sound, usually high-pitched, caused when sound waves are picked up by a microphone from a loudspeaker connected in the same circuit as the microphone. The particular sound heard is a result of the ...

Robert L. Clark of Duke University's Pratt School of Engineering explains. Just for the record, feedback is actually the mechanism used to control almost every electronic device manufactured.

We've now got plenty of software guitar amps to play with, but what are they all missing? According to Softube, it's realistic feedback. Acoustic Feedback is a new plug-in that's designed to emulate ...