Category: <span>Audio</span>

Time Stretch audio and preserving pitch

Here is a example program that will take an audio sample, stretch it out in time but will preserve the pitch. It’s based loosely on paulstretch. Written in BlitzMax NG.  The program is written for simplicity not speed. The important variables are: ScaleFactor : how much to stretch the audio, a value of 3 would…


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…