DeBreath in Audacity : proof of concept

[Trebor]

Using DtBlkFx , equalizer & AutoDuck ...

click on this animation to see it in its entirety

DeBreath - proof of concept.gif (195.8 KiB) Viewed 455 times

For more info on DtBlkFx, see ... https://rekkerd.org/dtblkfx/

[steve]

I can see what you're doing with Equalization and Auto Duck, but what is DtBlkFx doing?

[Trebor]

... but what is DtBlkFx doing?

I'm not 100% sure myself . AutoHarm on "between" emphasizes non-harmonic sounds, like the inhale noise ...

autoharm.gif (19.99 KiB) Viewed 434 times

So can be used to isolate the inhale noise. The equalization, (after DtBlkFx), separates the inhale noise from eff & ess noises.

DtBlkFx uses FFT which I believe is possible via Nyquist , but is way over my head.

[steve]

It might be interesting to compare how well this technique works with and without the DtBlkFx processing.

[Trebor]

It might be interesting to compare how well this technique works with and without the DtBlkFx processing.

The DtBlkFx processing is essential : it emphasizes the non-harmonic sounds, (hissy noises).

inhalation breath sound in middle and at end of audio

DtBlkFx is essential to isolate inhalation sounds.gif (371.54 KiB) Viewed 421 times

Equalization alone is not sufficient to isolate the breath sounds.