Hi Stefan, I'm sorry i didn't get your first requirement "Starts when there has been no sound for 0,8 seconds". Could you be a little more specific?
If you need to have a strong control over the echo i think you should probably use tables instead of delay lines, because you can write and read to an from a table at any moment and at any point in the table. Pierre 2011/3/28 Stefan Magnusson <[email protected]> > Hi! > > Im currently working with a project developing tactile feedback for > stimulation of disabled children. > > Im getting quite far in using a rough surface, a contact microphone and > buttshaker. My signal path is something like > mic->bandpass->filering->amplitude control of an > oscillator->lowpass->speaker > > i wish to get the sound a bit more interesting, so i would like to add an > echoeffect something like: > -Starts when there has been no sound (amplitude=0 after filtering) for 0,8 > seconds. > -Playbacks the last 1,6 seconds of sound (then there will be 0,8 seconds of > noise and 0,8 seconds of silence) with 60% amplitude > -Repeat the echo with decreasing amplitude (i.e 45, 30 and 0%) > > I believe i should use delay lines but i have a hard time controlling them > the way i want. > > Some help would be really appreciated by me and the children > > /Stefan > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > >
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