Motion Microscopes Vibration Control

[dallasjustice]

This new computer code can be used with regular video recording to observe invisible sound vibrations. This technology could be used to build better speaker cabinets.

http://people.csail.mit.edu/celiu/motionmag/motionmag.html

 

[Johnny Vinyl]

Fascinating!

 

[LL21]

fantastic stuff!...can we make speakers out of anything i suppose? ...maybe phenolic resin wine glasses?

 

[asiufy]

Know what would be fun? I believe they have a tool where you can upload your own video, so...
Let's put video of a bunch of speakers playing (at the same SPL), and see which ones move more


alexandre

 

[jfrech]

That was pretty cool ! Thanks for posting

 

[dallasjustice]

Know what would be fun? I believe they have a tool where you can upload your own video, so...
Let's put video of a bunch of speakers playing (at the same SPL), and see which ones move more


alexandre

Careful. I might be able to hear what you are saying if you leave a bag of chips laying around.

 

[Peter Breuninger]

This could prove the efficacy the HFTs or you could see the changes as a cable burns in. My gosh! The boards will die off!

 

[dallasjustice]

You can upload your videos here:
https://videoscope.qrilab.com/

The service is free for now.

You can get a compiled version of the matlab code here:
http://people.csail.mit.edu/mrub/evm/#code

another video. I like the video of the guitar string!!