https://violinsimma.com/ 2026-10-20T07:41:20.704Z weekly 1 https://violinsimma.com/about/ https://violinsimma.com/media/about/portrait.jpg https://violinsimma.com/media/gallery/close-up.jpg https://violinsimma.com/media/gallery/thiruvaiyaru-aradhana.jpg https://violinsimma.com/media/gallery/stage-1.jpg https://violinsimma.com/media/gallery/lab-robot.jpg https://violinsimma.com/media/gallery/stage-2.jpg https://violinsimma.com/media/gallery/margazhi-utsavam-2016.jpg https://violinsimma.com/media/gallery/stage-3.jpg https://violinsimma.com/media/gallery/rose-stage.jpg https://violinsimma.com/media/gallery/stage-4.jpg https://violinsimma.com/media/gallery/lab-keyboard.jpg https://violinsimma.com/media/gallery/stage-5.jpg https://violinsimma.com/media/gallery/blue-stage.jpg https://violinsimma.com/media/gallery/garden-concert.jpg https://violinsimma.com/media/gallery/concert-rig.jpg https://violinsimma.com/media/gallery/with-guest.jpg https://violinsimma.com/media/gallery/lab-visit.jpg 2026-10-20T07:41:20.704Z monthly 0.8 https://violinsimma.com/research/ 2026-10-20T07:41:20.704Z monthly 0.8 https://violinsimma.com/performances/ 2026-10-20T07:41:20.704Z monthly 0.8 https://violinsimma.com/film-tv/ 2026-10-20T07:41:20.704Z monthly 0.8 https://violinsimma.com/press/ 2026-10-20T07:41:20.704Z monthly 0.8 https://violinsimma.com/contact/ 2026-10-20T07:41:20.704Z monthly 0.8 https://violinsimma.com/research/hathaani/ Hathaani https://i.ytimg.com/vi/FqmN4rwdL7E/hqdefault.jpg Carnatic music lives in the slides between notes. Hathaani plays them with a single fretless finger inspired by the chitravina and a bow made of rollers that can sustain a note forever. The newest version moves across strings. https://www.youtube.com/embed/FqmN4rwdL7E 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/google-arm/ Drumming Arm https://i.ytimg.com/vi/o623TB-mY6A/hqdefault.jpg Jason Barnes lost his lower arm in 2012. This prosthesis reads the muscle signals in his forearm and predicts the grip he intends, in real time, on an embedded board. https://www.youtube.com/embed/o623TB-mY6A 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/shimon/ Shimon https://i.ytimg.com/vi/KWEsWDci_fU/hqdefault.jpg Shimon was the first robot to take part in a rap battle. I worked on how it interacts with people and on its real-time performance systems - for concerts like Shimon Sings at the Fox and a performance on Jimmy Kimmel Live with the band Coin. https://www.youtube.com/embed/KWEsWDci_fU 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/mixboard/ Mixboard https://i.ytimg.com/vi/jBwGMj2GC_k/hqdefault.jpg A web and iOS app that uses deep learning to pull songs apart into instruments, so anyone can build a mashup in minutes. https://www.youtube.com/embed/jBwGMj2GC_k 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/carnatic-accompaniment/ An AI accompanist for Carnatic music https://i.ytimg.com/vi/FqmN4rwdL7E/hqdefault.jpg Models that follow a singer’s improvisation and respond with a violin line, and that synthesize the ornaments Carnatic music depends on. This was the core of my Ph.D. https://www.youtube.com/embed/FqmN4rwdL7E 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/skywalker/ https://violinsimma.com/media/research/skywalker.jpg Skywalker https://i.ytimg.com/vi/R_7UnBbh6EI/hqdefault.jpg Ultrasound that sees fingers move. Ultrasonic sensing and deep learning that predict each finger’s movement from the forearm, for prosthetic hands. Skywalker by Raghavasimhan Sankaranarayanan (2018). https://www.youtube.com/embed/R_7UnBbh6EI 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/digital-theremin/ Digital Theremin https://i.ytimg.com/vi/7AyxNu-CI7s/hqdefault.jpg A theremin you can edit like MIDI. Digital Theremin by Raghavasimhan Sankaranarayanan (2017). https://www.youtube.com/embed/7AyxNu-CI7s 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/xpression-controller-gr55/ Xpression Controller https://i.ytimg.com/vi/p0Jsh0odscA/hqdefault.jpg Bowing dynamics for the Roland GR-55. Xpression Controller by Raghavasimhan Sankaranarayanan (2017). https://www.youtube.com/embed/p0Jsh0odscA 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/chutti-robot-arm/ Chutti https://i.ytimg.com/vi/fzmLcXv06QY/hqdefault.jpg A LEGO robot that plays chords from an iPad. Chutti by Raghavasimhan Sankaranarayanan (2018). https://www.youtube.com/embed/fzmLcXv06QY 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/cydio/ Cydio https://i.ytimg.com/vi/MIjduD4keOA/hqdefault.jpg A bicycle that turns your ride into music. Cydio by Raghavasimhan Sankaranarayanan (2019). https://www.youtube.com/embed/MIjduD4keOA 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/midi-player/ MIDI Player https://i.ytimg.com/vi/iFSt7ScsCPo/hqdefault.jpg A MIDI player built from scratch. MIDI Player by Raghavasimhan Sankaranarayanan (2020). https://www.youtube.com/embed/iFSt7ScsCPo 2026-10-20T07:41:20.704Z yearly 0.7 https://violinsimma.com/research/blocks-world-redox/ Blocks World Redox https://i.ytimg.com/vi/3uWGQqhEWCU/hqdefault.jpg A robot arm that reads a scene and mirrors it - MIT, 2014. Blocks World Redox by Raghavasimhan Sankaranarayanan (2014). https://www.youtube.com/embed/3uWGQqhEWCU 2026-10-20T07:41:20.704Z yearly 0.7