Animating Elastic Rods With Sound | Two Minute Papers #175

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Animating Elastic Rods With Sound | Two Minute Papers #175

Two Minute Papers 30.07.2017 14 662 просмотров 559 лайков

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The paper "Animating Elastic Rods with Sound" is available here: https://www.cs.cornell.edu/projects/rodsound/ Watch the original video with the sound samples here: https://www.youtube.com/watch?v=ePySSLiyghs WE WOULD LIKE TO THANK OUR GENEROUS PATREON SUPPORTERS WHO MAKE TWO MINUTE PAPERS POSSIBLE: Andrew Melnychuk, Christian Lawson, Dave Rushton-Smith, Dennis Abts, e, Esa Turkulainen, Kaben Gabriel Nanlohy, Michael Albrecht, Michael Orenstein, Steef, Sunil Kim, Torsten Reil, VR Wizard. https://www.patreon.com/TwoMinutePapers Two Minute Papers Merch: US: http://twominutepapers.com/ EU/Worldwide: https://shop.spreadshirt.net/TwoMinutePapers/ Music: Antarctica by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Artist: http://audionautix.com/ Thumbnail background image credit: https://pixabay.com/photo-1681565/ Splash screen/thumbnail design: Felícia Fehér - http://felicia.hu Károly Zsolnai-Fehér's links: Facebook → https://www.facebook.com/TwoMinutePapers/ Twitter → https://twitter.com/karoly_zsolnai Web → https://cg.tuwien.ac.at/~zsolnai/

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<Untitled Chapter 1>

dear fellow Scholars this is 2minute papers with Caro in this series we talk a lot about photorealistic rendering and making sure that the appearance of our virtual objects is simulated properly a

Circular Rod Material: Aluminum

lot of works on how things look however in order to create a more complete sensorial experience we also have to

Ruler Material: Oak

simulate how these things sound and

Strapping Material: Steel

today we are going to have a look at a really cool piece of work that simulates the sound of virtual elastic rods made

Clock Gong Material: Steel

of aluminum steel oak tree and rubber and of course before you ask this also

Rubber Band Material: Rubber

means that there will be sound simulations of everyone's favorite toy the walking Slinky as for all papers that have

Effect of Acoustic Radiation Model

anything to do with sound synthesis I recommend using a pair of headphones for this episode The Sound emerging from these elastic rods is particularly difficult to simulate because of the

Effect of Audio Delay

fact that sound frequencies vary quite a bit over time and the objects themselves are also in motion and subject to deformations during the simulation and

Effect of Directionally Dependent Dipole Model

as you will see with the slinky we potentially have tens of thousands of contact events in the meantime let's have a look at some

Guy Wire Material: Steel

results for the fellow Scholars who are

Comparisons to Recordings Simulated audio is played twice and compared to two separate recordings

worried about the validity of these Star Wars sounds I know you're out there make

Rectangular Rod Material: Aluminum

sure to watch the video Until the End the authors of the paper proposed a dipole model to create these simulations dipoles are typically used to approximate electric and magnetic fields in physics and in this case it is really amazing to see an application of it for sound synthesis for instance in most cases these sound waves are typically symmetric around 2D cross-sections of these objects which can be described by a dipole model quite well also it is computationally quite effective and can eliminate these lengthy pre-computation steps that are typically present in previous techniques there are also comparisons against the state-of-the-art and we can hear how much richer the sound of this new technique is and as you know all too well I love all papers that have something to do with the real world around us and the reason for this is that we can try the very

Slinky Dispersion Material: Steel

best kind of validation for these algorithms and this is when we let reality be our judge some frequency plots are also available to validate the output of the algorithm against the real world sound samples from the lab it is really amazing to see that we can use science to breathe more life in our Virtual Worlds thanks for watching and for your generous support and now see you next time

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