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I've already learned how to animate physic transformations with sound curves (scale, position...baking sound to F-Curve) but I wondered how to do the same thing with material (set a keyframe for the intensity of emission shader and then animate with the frequency of a wave sound) can I manage this with nodes (like object info? If the scale of my object is 200% then the intensity of my shader will be 100%) For instance: if the frequency of the wave sound is 100Hz the intensity of the emssion is 1...or, if the frequency is 1000Hz then the colour should be red or like so?

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You must use drivers: a driver lets you control any datablock with any other parameter of the software.

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    $\begingroup$ Could you explain why and how? This is not helpful to many users as is. $\endgroup$ – VRM Apr 14 '15 at 11:00
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    $\begingroup$ Drivers are too complex to explain in few words. I think this is a great tutorial about them: youtube.com/watch?v=jMoBFzXFAUM $\endgroup$ – josh sanfelici Apr 14 '15 at 18:48
  • $\begingroup$ Excellent, that should help people out. $\endgroup$ – VRM Apr 14 '15 at 18:48
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    $\begingroup$ Also this internal link can be very helpful:blender.stackexchange.com/questions/28254/… $\endgroup$ – josh sanfelici Apr 14 '15 at 19:12

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