Spooky echo effect for scare

1177 Views 4 Replies 4 Participants Last post by jaege, Feb 28, 2011

JustJimAZ

Discussion Starter · Jan 26, 2011

I was thinking of the old teddy bears which let kids talk to them and a chip recorded the sound and talked back. That made me think how creepy it would be to people walking through a haunt if they suddenly heard their own words repeated behind them. A quick search led me to this site:

http://www.electronics123.com/s.nl/it.A/id.499/.f?category=2

It seems pretty inexpensive, but you need to hold down a button to record and push another to playback.

Any electronic geniuses who could create an ambiance prop that records and plays back ever 10-20 seconds or so? Hopefully one that does not involve elaborate reprogramming.

Maybe there is an off the shelf option I am not aware of. That would be welcome too.

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bradbaum

· #3 · Feb 2, 2011

I have had an idea to do a pair or so of wall panels made up to look like faces sewn together with microphones embedded in the ears and speakers embedded in the mouths. The whole system would be driven with an audio digital signal processor that has delays built into it. The idea would be that there is a mp3 track playing saying "whisper in my ear" when someone whispers in an ear (microphone) the audio is processed with delays so that different mouths would have different amounts of delay. I think the effect would be really cool. I am only short the amplifiers and speakers and the time to actually build it.

The DSP would be this unit:

http://www.clearone.com/docs/manuals/800-151-101-Rev4.1_XAP800Man.pdf

A few years old and discontinued, but I got it for free.

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