AudioTexture My KVR

Sound Design by Le Sound
AudioTexture
What is it?
Format(s)
Instrument(s)    
Operating System Availability
Operating System Latest Version
 1.3.1 
System Requirements
Windows 7 and above
 1.3.1 
System Requirements
macOS 10.8 and above
License & Installation Method
Voucher / Code for redemption on other website
What does this mean?
For related news items, downloads and more please see the full KVR product page for
AudioTexture

AudioTexture is based on concatenative synthesis which analyzes automatically the sound signal and decomposes it into adaptively defined units (not equal in size, so not the usual granular synthesis) for resynthesis. It is equipped with semantic descriptors for intuitive control to generate many variations from a given sound sample. The main features are:

  • Automatic unit analysis.
  • Position and Descriptor control.
  • Range control for randomization.
  • Multichannel support.

AudioTexture comes with 3 descriptor controls in additional to the position control. This is convenient to create various unit sequences based on perceptually meaningful descriptors:

  • Energy: Instantaneous energy.
  • Noisiness: The amount of high-frequency content.
  • Brightness: The spectral energy center, higher the value brighter the sound.
User Reviews Average user rating of 2.00 from 1 reviewAdd A Review

AudioTexture
Reviewed By petekellock
February 10, 2021

As far as I can tell, this doesn't do some of what it's supposed to. It plays segments of the audio file and the "Position-X" mode seems to work OK, but I can't see any sign that it does anything based on analysis of the signal (ie concatenative synthesis) as it claims. Using multiple different audio files I tried changing the range in Energy, Noisiness and Brightness modes and I can't see or hear any correlation between the level of these parameters and the selection of segments. This is the functionality I bought it for, and as far as I can tell it's simply not doing it; it seems just to select segments pretty much at random regardless of how you set the range. The manual is thin with very little explanation, so it's hard to tell what it's supposed to do, but I'm just not seeing evidence of the smart analysis-based functionality I expected.

Then there's the "R Range" control which the manual says is "Pitch shift randomization around the Rate factor". It doesn't seem to work at all for me - after many tests on different material with different settings, I never got any random variation in the pitch.

And it crashes a fair bit (I'm using the MacOS version on Mojave).

I hope Le Sound will release an upgrade which addresses all this. The concept is a great one: concatenative synthesis is a powerful technique which I've seen some great demos of.

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