• Adobe After Effects

  From Black & White to Color audio react

  Posted by Major Attila on December 19, 2015 at 8:58 pm

  Hello guys. I’d like to make my background react to audio so when the audio is lower then the background turns black & white but when audio is higher the background turns to its normal colors. Right now I am using the Black & White effects from colors and presets, the effect has opacity so I guess a simple expression would do the job. I tried using this expression :
  x=thisComp.layer(“Sound Keys”).effect(“Sound Keys”)(“Output 1”);
  linear(x, 0, 100, 0, 150)

  But this expression does it vice versa on how I’d like it.

  Major Attila replied 10 years, 5 months ago 2 Members · 2 Replies
• 2 Replies

• 

  Kalleheikki Kannisto

  December 20, 2015 at 10:35 am

  On a quick glance, reversing the last values to something like

  linear(x, 0, 100, 100, 0)

  should do it.
• 

  Major Attila

  December 20, 2015 at 12:05 pm

  Thanks. I had to do a little bit of tweaking but works fine !

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