Digital Humming. You can hum without making a noise.
Humming is fun. But to the people around you, it's just a nuisance. In this research, we propose "Silent Humming", a device that allows users to hum without making any noise. It is like a digital humming sound, much like Silent Piano and Silent Drums.
This device placed on the user's neck has a microphone and a throat position sensor. The microphone can detect the wispy unvoiced sounds that other people cannot hear and the sensor detects the position of their Adam's apple. By combining these two data, the device can produce digital humming sounds without vocalizing.
Publication:
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Kentaro Yasu, Masahiko Inami, “Silent Humming: A digital humming producing system using unvoiced sounds and throat motion”, Laval Virtual 2012, 2012.4 (France, March 28-April 2, 2012) (poster)
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◯ Kentaro Yasu, Yuta Takeuchi, Masahiko Inami (Keio University), Silent Humming: Nose song reproduction system using egressive sound and pharyngeal movement, Entertainment Computing 2011, Session 4B Voice, 04B-06, 2011
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Kentaro Yasu, Yuta Takeuchi, Masahiko Inami, "Silent Humming: A humming reproduction system using egressive sound and pharyngeal movement", WISS2011, [Poster presentation, peer-reviewed] (2011.12) https://www.wiss.org/WISS2011Proceedings/PDF/059.pdf[poster]