19th February 2003 02:22 PM
Submarine Sonar sound effect (echo sounder)?
Am after a circuit that will recreate the sound of a submarine sonar(just like in those old naval war films). With the ability to vary the "send" sound echo & "return" sound blip time interval.
Can anyone help? They must have used some type of electronic circuit to mimic it for films, just need to know what it is.
Electronic Circuits |
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