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Editorial Team
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Asked: 2026-05-16T16:20:52+00:00

I’ve tried looking up how I might go about this for a while now,

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I’ve tried looking up how I might go about this for a while now, and maybe I am using the wrong terminology in my searches or it’s way too advanced for me. I basically want to be able to analyze audio files in real-time. I know hardly anything about audio processing so I should probably start small and work my way up. Eventually I’d like to be able to display a power (or frequency?) spectrum correlating to audio playing in real time. Basically like the WinAmp spectogram (terminology?)

Any online tutorials with perhaps an API suggestion or two would be greatly appreciated. I’ve found some vague explanations (mostly dealing with calculating FFT’s then converting them to something…) Like I said, I know little of audio processing, so knowing where to start would be great.

Language of choice: C++

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  1. Editorial Team

    You could look into VST plugins as a starting point for the theory behind audio processing. There’s a blog with some tutorials in c++ here.

    You can also check out other SO questions on VST plugins for more info.

    I believe audacity can run VST plugins, I’ll look at that.

    EDIT: Audacity doesn’t support them out of the box, but you can enable it. You could download a trial of something like ableton live too.

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