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how to produce echo and reverb effect in audio sounds

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dnarenderreddy

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echo effect circuit

hi this is narender,

can anyone tell me, how to produce echo and reverb effect in audio sounds. i have a small duration sound, i need to lengthen the duration with slowlyu decreasing sound. can anyone tellme how to do this in the most simple way. how can this be donw using analog electroncis. analog ic's, websites, links, circuits, schematics etc any sort of help will be apreciated.

thanks in advance
narender
 

audio echo schematic

I have seen some echo and reverb solutions, but all have some complexity.

Mechanical: use of a delay line (coil) and piezo transducers in each tip.

Magnetic: a closed short magnetic tape (ring) with two heads (one for recording and one for reading).

Sampling and memory: a special IC converting analog to digital, storing in a memory bank and another (or the same special IC) doing the digital to analog conversion after some period of time.

DSP: digital signal processing ICs.
 

audio echo circuits

Been quite a few years ince I did a circuit for this...
But if I remember rightly panasonic had a family of BBD (bucket brigade delay) IC's which were quite good & small.

MN3000 series, low numbers I think. I think Panasonic stopped manufacturing them as times moved on but they were really well respected & guitar pedals still use analog effects.

Try searching for Panasonic BBD & see if anyone bought the Fab rights
 

audio echo schematics

thanks , i couldnt get those ic's . can anyone tell me about more ics (common ones) with which i can get the required echo or reverb effect in my sound.

thank you
narender
 

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