Sonar sound

[Dan Higdon]

At 11:48 AM 7/23/97 +0200, mattp wrote:
>Mike wrote:
>>
>>How could I generate a sonar sample. That unforgetable 'ping'...
>>When I say 'generate' I mean calculate sample on my PC...
>>
>Try white noise with a piano-style amplitude decay (maybe a bit faster), run 
>through a lowpass filter that is _right_ on the edge of resonance. Adjust
the 
>filter cutoff to get the deisred pitch of the 'ping'. Add a touch of reverb, 
>and you're away!

I've found that a bandpass filter works better (YMMV, of course),
since it cuts the low rumble as well.  Like Matt said, the secret is
hanging the res right on the edge of oscillation.


-------------------------------
Dan Higdon (hdan at charybdis.com)
http://www.charybdis.com/~hdan