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output visualization of audio frequencies to NTSC
I need to be able to show audio soundwaves, live, from a .wav or .mp3 file, on an NTSC monitor.
I have seen software which shows this in a window on a PC, but the image is sort of jumpy, with screen update artifacts (WavePad: Frequency Analysis tool). And, I don’t know how to output even that to NTSC.
Does anyone know of a tool, either software or hardware, which will do this?
Thanks!
— Bob C
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6 Replies
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After Effects has 2 plug-ins included with the software: “Audio Spectrum” and “Audio Waveform”
They are very customizable…crow
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Thanks, and maybe I will wind up doing that. Unfortunately I am being asked to do it “live.” Music in, video out, no rendering.
AE’s results are fantastic, I agree.
— Bob
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Are you looking for a research and diagnostic tool or a visualisation tool?
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[stephen muir] “Are you looking for a research and diagnostic tool or a visualisation tool?”
Good question. This is purely for show. It’s to provide a visual counterpoint to some action on stage. In fact I’d like to be able to customize the display to make it more graphic, but I may have to do that with real-time video processing, once I get the display out to NTSC.
— Bob
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I remember an old DOS program called “Cthugha” which may be exactly the kind of thing you’re looking for. It kind of looked like an oscilloscope that had dropped acid and then burst into flames. Very customizable, trippy visuals, and very reactive to incoming audio signals. You’ll still have to overcome the VGA to NTSC issue, but there are plenty of ways to tackle that one. I think the website is https://www.afn.org/~cthugha/
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Thanks Stephen. That may be a little too much for this client but what a great find.
— Bob
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