KVR Audio

paulnasca · Post by **paulnasca** » Fri Jun 08, 2012 8:07 am

Hi.
I added Paulstretch to Audacity and it's available here for win32. The modified source code is available in the same directory.

The effect is available in the main menu "Effects"->"Paulstretch".

Please note that this version of Audacity it is an
unofficial version which can have bugs/issues not present in the official version.

If you want to have this effect in the next official versions of audacity please ask the maintainers of audacity to include it (I made a patchfor it).

Enjoy.

Paul

glokraw · Post by **glokraw** » Fri Jun 08, 2012 8:12 am

Thanks, this will be a very handy addition.!

Spitfire31 · Post by **Spitfire31** » Fri Jun 08, 2012 8:41 am

How would a non-hacker go about modifying Audacity with Paulstretch for Mac OS?

Is it even possible/doable at this time?

I would love to have Paulstretch available in an editor.

Hopeful regards,

Joachim

Neon Breath · Post by **Neon Breath** » Fri Jun 08, 2012 5:10 pm

Imagine, Paulstrech as a VST in any DAWs!

davidka · Post by **davidka** » Fri Jun 08, 2012 5:41 pm

This sounds cool, thank you Paul, I know how much effort you put into this effect's Audacity integration. I hope Martyn will have it included in an official release at least, once and for all.

Paulstretch is an extremely valuable tool for instant drone-madness, I can make every track haunting, that's why I love it so much!

bootsie · Post by **bootsie** » Fri Jun 08, 2012 6:37 pm

Thanks, Paul!!!

valhallasound · Post by **valhallasound** » Fri Jun 08, 2012 8:16 pm

Neon Breath wrote:Imagine, Paulstrech as a VST in any DAWs!

Timestretching real-time audio get problematic, as you essentially need an infinite sized buffer to hold the input.

Getting similar audio effects is possible with existing VSTs. The Paulstretch algorithm, IIRC, uses randomization of large FFT frames to get a "smoother" time stretching, which results in a distinctive phase blurring sound. The Michael Norris Spectral Blurring AU can get sounds almost identical to Paulstretch with massive time stretching, as it works on a similar principle. In the time domain, cascading a bunch of instances of ValhallaShimmer will create a "Gaussian" time envelope for the reverb, which is very close to a huge windowed FFT with randomized bin phases.

Sean Costello

Neon Breath · Post by **Neon Breath** » Fri Jun 08, 2012 8:18 pm

Good point Sean! And I can add also to the list GRM Tools Evolution, in the same vein. Crazy looong smooooth stuff

deastman · Post by **deastman** » Fri Jun 08, 2012 8:53 pm

Thanks Paul!

Krakatau · Post by **Krakatau** » Fri Jun 08, 2012 8:59 pm

valhallasound wrote:
Neon Breath wrote:Imagine, Paulstrech as a VST in any DAWs!
Timestretching real-time audio get problematic, as you essentially need an infinite sized buffer to hold the input.

Getting similar audio effects is possible with existing VSTs. The Paulstretch algorithm, IIRC, uses randomization of large FFT frames to get a "smoother" time stretching, which results in a distinctive phase blurring sound. The Michael Norris Spectral Blurring AU can get sounds almost identical to Paulstretch with massive time stretching, as it works on a similar principle. In the time domain, cascading a bunch of instances of ValhallaShimmer will create a "Gaussian" time envelope for the reverb, which is very close to a huge windowed FFT with randomized bin phases.

Sean Costello

highly interesting sir, thanks for the detailed info !

robogone · Post by **robogone** » Mon Jun 11, 2012 1:45 pm

Thank you - this can open up a ton of possibilities!

suecae_sounds · Post by **suecae_sounds** » Mon Jun 11, 2012 9:34 pm

Paul stretch is nothing short of great. I've used it extensively in ambient, and can really open up new perspectives on any audio material.

VariKusBrainZ · Post by **VariKusBrainZ** » Tue Jun 12, 2012 9:47 am

Neon Breath wrote:Imagine, Paulstrech as a VST in any DAWs!

There is a wrapper for it, used it the other night.
Cant remember who made it though.

Selfik · Post by **Selfik** » Tue Jun 12, 2012 10:15 am

VariKusBrainZ wrote:There is a wrapper for it, used it the other night.
Cant remember who made it though.

Where can we download it?

s_t · Post by **s_t** » Wed Jun 13, 2012 2:18 pm

Selfik wrote:
VariKusBrainZ wrote:There is a wrapper for it, used it the other night.
Cant remember who made it though.
Where can we download it?

I doubt such thing exists..

Paulstretch effect is available in Audacity