Hiroyuki Manabe, Masaaki Fukumoto. Headphone taps: a simple technique to add input function to regular headphones. In Elizabeth F. Churchill, Sriram Subramanian, Patrick Baudisch, Kenton O'Hara, editors, Mobile HCI '12, Companion Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services, San Francsico, CA, USA, September 21-24, 2012. pages 177-180, ACM, 2012. [doi]