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Gunter
04-24-2005, 09:49 PM
This is regretful basic, easy setup of sound controlled displacement, not very exciting.
Left channel of sound controls displacement height of a plane, right channel drives brightness of the material.
For SPD I used mod noise.
Response of music to deformation is very fast, thus giving the impression of vibrating, unfortunately.
Srek made an interesting XPresso example on bonkers site how to smooth the output of sound node, which I´m trying to implement.
For animation Indeo Video 5.1 is used, as I´m not able connecting sound to QT.
Any further ideas are welcome.

http://www.gtvision.de/public/sound/sound2spd_dx.avi 1 MB

The C4D file:
http://www.gtvision.de/public/sound/sound2spd_dweb.c4d 1.26 MB

http://www.gtvision.de/public/sound/Sound2spd_d.gif


Gunter

base80
04-25-2005, 12:31 AM
Can't see the animation but I've done this before. You sure need the xpresso that Srek made, it averages progressively the data sent out of the sound node and even then it still is quite nervous.

Unfortunately the node doesn't do not much more than produce the amplitude of the sound, so you can make thing move around and such but thats it.

two side notes
I see you use a diagonal spline in the range-mapper, you might as well remove that, no spline is a diagonal line by default.

And I see you are using an absolute node, making the negative information positive. I don't think this is doing the job right (it makes 2x more peaks). Maybe you could set the range-mapper to map the whole range of the sound-node to values that suit you.

Hilt
04-25-2005, 04:44 AM
Can you compress the ani with something cheaper? I think Ligos dont give free versions of Indeo codec around.
I dont think there's easy way out when dealing with sound-driven formulas in C4D. I've also spent time playing with sound node. My idea was to use sound node to drive values in Allie box, to make it look like bumping with the beat.

After too many tests I went on keyframing the bloody animation, as deadlines dont wait. Words cant describe how much I too waited for Response to make some FX with it. (Darf, if the bugger is ready, release it, just to annoy your boss if nothing else).

I would also toss Absolute Node out and forward only positive values. I believe mapping absolute values dont output the real waveform to displaced plane.

.hilt

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