Tag: <span>fft</span>

Frequency Modulation Audio

Here is a simple example of how frequency modulation works in audio.The frequency of one tone (carrier) is altered with another oscillator (modulator). At high speeds, the resulting combination will bring out extra harmonics.There are no dependencies in the example.Play with the sliders and see how the different tones are generated. SuperStrict Framework brl.basic Import…


DSP Filter Playground

I wrote this over the period of a few days to test different methods of building digital filters. Custom oscillators and filters can programmed in Lua and are automatically picked up by the program on startup. The program will display the filters frequency response and the resulting fft of audio passed through the filter. I’ve…