Audio filter for “intercom” effect?

[Chris Poisson]

I use the high pass filter for this, but there are other recipes, you will get more answers.

Have a wonderful day.

[Chris Gormlie]

I’d EQ the bottom end out and add a wee touch of a reverb.

[Chris Poisson]

Depending on how you set it, the High pass filter does pretty much the same thing as an EQ filter, and yes, I agree on the reverb.

Have a wonderful day.

[Chris Gormlie]

yup high pass will do the trick as well

[Eric Susch]

I see this question all the time on the COW and honestly, the BEST way to do it is to output your audio track through a crappy speaker, re-record it with a microphone, and sync it back up with the track. Some audio programs have an effect send that can record and sync it back up automatically. I did sound design on a sci-fi film years ago and did all the speaker voices this way. (There was a lot of that in the film. We had five or six old film squak boxes that all sounded different for different parts of the ship.) Put some reverb on the final track to put the speaker “in the room.”

This way is more work than just EQing it but it sounds much better, especially if you can find some interesting sounding speakers. You can try over-driving the speakers to distortion too.

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Eric Susch
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[Michael Gissing]

And just another recipe for getting that sound – A convolution reverb with a small speaker impulse response sample will do the trick. These reverbs are not available for FCP but are cheap and there are hundreds of free IR files available on the web, including small speakers.

Have a look at SIR2, a low cost VST reverb that works with any software that supports VST plugins. There are some free ones out there.