Stretching Algorithm
 

Hi guys

So I'm working with this artist at the mo who's using Final Cut Pro and she can stretch audio "down to 5%" (which is sort of an arse-about-way-of-calculating-it I know, but I'm presuming that means 2000% in Tools-stretch) and it still sounds pretty smooth, in a sound-designy sort of way. All the Tools algorithms on the other hand sound bumpy as f**k at this sort of stretch value.

So I guess my question is, can anyone recommend any kind of stretching plug-in that'll do this kind off mega-stretch that doesn't result in it sounding embarrassingly bad? Seems a bit crappy that I can't make something in my audio world sound as good as she can in her video world.

Thanks :)

ps I have Melodyne but there's no way (as far as I can tell anyway) that you can tell how much you've stretched the audio by in terms of percentage.

Re: Stretching Algorithm
 

Maybe Serato Pitch n Time, but i don't know if it's still competitive to others these days. It was best in the old days if i remember correctly...

Re: Stretching Algorithm
 

https://soundcloud.com/birdfeeder/ju...me-1000-slower
if that does not sound crappy to you,
http://hypermammut.sourceforge.net/paulstretch/ could be worth to try.
Not a plugin, but standalone, free, can produce fantastic things.

Re: Stretching Algorithm
 

+1 Expensive, but excellent quality, but I'm not sure about "mega stretching".
Neither can stretch down to 5%, but you could try multiple stretches.

30 day demos are available:
Pitch 'n Time Pro $799
Pitch 'n Time Pro has a range of 1/8 speed and through to to 8 x speed, and pitch shifting of up to ±36 semitones
https://serato.com/pitchntime-pro

Pitch 'n Time LE $399
Modify tempo from 1/2 to 2x of original and simultaneously pitch shift by ±12 semitones
https://serato.com/pitchntime-le

Re: Stretching Algorithm
 

Yes this is probably the closest but as far as I can tell it's PC only...?

Well I have Waves Soundshifter which does a similar job, but multiple stretches result in those "g-g-g-g-g-g-g-g-g-g-"glug sounds, and I suspect PnT would do the same.

The closest I've come to it so far is setting the tempo to 100bpm, putting the section into Melodyne, and then setting the tempo to 5bpm, which is resulting in a pretty smooth mega-stretch with the correct %.

Stretching Algorithm
 

Paul Stretch is also available for Mac OS. I had it installed on my iMac a couple of years ago, so can confirm with certainty.

Fun app, horrible interface. Can't complain due to it being free. Hehehe...


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Re: Stretching Algorithm
 

I use pitch'n'time, it's an amazing plugin. But it still can't stretch poor audio quality beyond 80% without any artefacts.

You will be limited by the audio you're inputting, higher quality audio will stretch further.

For example a 44.1/16 simply doesn't have the information to stretch that far, but a 192/32 has many times more samples which will be able to stretch out further.

Re: Stretching Algorithm
 

Ah yes I've just found it, thanks. Though it's for OS 10.6. Wish me luck.... :D

Re: Stretching Algorithm
 

Good point. I had installed on a SL partition.

Fingers crossed it still runs.


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