Delay records a signal and plays it back after a set time. Feedback re-sends the delayed signal back into the delay line for multiple echoes.
Short delays create slapback (50-120ms). Medium delays create doubling. Long delays create distinct echoes.
How much of the delayed signal is fed back for more echoes.
Blend between dry (original) and wet (delayed) signal.
Yes, Download after processing.
Yes, instant Web Audio API processing.
Any browser-decodable format.