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Tutorials

[Audacity] Time Shift Magic Sound Effect

qubodup
Wednesday, November 14, 2012 - 15:27
qubodup's picture

To make some temporal manipulation magic or superpower effects do this:

  1. Make sure to have the latest version of Audacity and LADSPA (separate package in some Linux distros)
  2. Generate or record noise (about 3s)
  3. Effect/Fade in and Effect/Fade out beginning and end respectively (about 0.5s)
  4. Generate silence (about 3s before and after the sound (so freeverb has room to operate))
  5. Apply Effects/Freeverb with default settings or play around
  6. Effect/Reverse
  7. Repeat step 3.
  8. Select the non-silen part (otherwise in the next step you'll be time-shifting silence, which would be a waste)
  9. Apply Effect/Sliding time scale/pitch shift with ending time 400% and ending pitch +4 semitones.
  10. Effect/Normalize (all checkmarks) -0.01dB
  11. The slow down effect is done now. To get the speed up effect, just apply Effect/Reverse. Here's the result.

Protip: assign key shortcuts (I use 4-0) for normalization, fade in, fade out, freeverb, sliding ts/ps generate silence and reverse.

Try using any other sound but noise, it allows to create awesome energy/magic effects (example).

CC0 
To the extent possible under law, Iwan 'qubodup' Gabovitch has waived all copyright and related or neighboring rights to this Short Audacity Tutorial.

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siinamon
joined 15 years 3 months ago
Friday, December 14, 2012 - 08:17

I had never really thought about using Audacity for this, but it works relatively well. Thanks!

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qubodup
joined 16 years 3 months ago
Friday, December 14, 2012 - 08:27
qubodup's picture

Glad!

What did you use?

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siinamon
joined 15 years 3 months ago
Friday, December 14, 2012 - 08:30

Yoshimi + my MIDI controller and PureData. Exploring Audacity more, I think I could simplify the process of a LOT of sound effects.

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qubodup
joined 16 years 3 months ago
Friday, December 14, 2012 - 09:59
qubodup's picture

Cool! If you come up with great ways to modify voices/sounds or to create sfx in Audacity, please share!

PS: this is more or less a pioneer: http://www.youtube.com/watch?v=HRypuCJH9OI :)

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siinamon
joined 15 years 3 months ago
Friday, December 14, 2012 - 10:23

Awesome, and I will! After I finish setting up my desktop, I will be back in action uploading all sorts of things here.

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