Detecting Audio Transients (Example and Free Cross-Platform Software)

Wikipedia defines an audio transient as "a high amplitude, short-duration sound at the beginning of a waveform that occurs in phenomena such as musical sounds, noises or speech". Here's an example that points out the transients in a short snippet of audio:

Waveform with Transients Annotated

So, a transient is just a peak that occur…

Date: March 11th, 2017 at 11:02am
Author: Terence Darwen
Tags: Audio Software, Cross-Platform Development, Transient Detection, Digital Signal Processing, DSP, C++, Sabbatical

My Awesome Phase Vocoder (Audio Examples and Free Software Download)

I've been spending a good amount of time working on a phase vocoder lately. I'm happy to say I have an early working demo version that sounds quite good.

Piano Waveform Stretched and Compressed

The phase vocoder allows for stretching and compressing the time duration of audio (as shown in the waveforms above) without changing the pitch…

Date: February 14th, 2017 at 9:42pm
Author: Terence Darwen
Tags: Audio Software, Cross-Platform Development, Phase Vocoder, Digital Signal Processing, DSP, C++, Sabbatical