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Mechanical Wave and Acoustics Lab
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The lab controls and analyzes sound and vibration to aim for comfortable environments.
AboutAbout the lab
Controlling sound and vibration for comfortable environments.
The Mechanical Wave and Acoustics Lab studies active acoustic control and magnet-based vibration suppression methods, with the aim of realizing comfortable living environments.
It also works on sound analysis methods and on flexible actuators that use magnetic force.
Aiming at a society where people and machines coexist comfortably, the lab also studies comfort evaluation through biosignal processing and the analysis of acoustic and wave propagation inside the body.
Key terms
- Active Acoustic Control
- A technology that manipulates sound in a space using control sound emitted from loudspeakers or similar devices.
- Wave Propagation Analysis
- Analysis of how waves travel through objects and through space.
- Speech Masking
- A method that overlays another sound to make the content of speech harder to hear.
ResearchResearch themes
The lab aims to realize comfortable living environments by controlling and analyzing sound and vibration. Toward a society where people and machines coexist comfortably, it also works on measurement and analysis of the living body.
*Illustrative imageResearch on Sound and Vibration for Comfortable Environments
The lab studies active acoustic control, magnet-based vibration suppression methods, and flexible actuators that use magnetic force. It also works on techniques for measuring the flexibility of biological tissue and on analysis of acoustic and wave propagation inside the body.
*Illustrative imageActive Acoustic Control
The lab studies control that uses multiple sound sources to separate sound by region, and control that keeps tracking the target region even when it moves. It also covers noise reduction with active sound-insulating walls and speech masking methods.
*Illustrative imageAnalysis Models for Vibration and Acoustics, and Medical-Engineering Collaboration
The lab develops analysis models that handle coupled sound and vibration, water-surface waves, and pulse waves in blood vessels. It also works on medical applications that use a model of the self-excited vibration of the vocal folds, and on measuring the flexibility of biological tissue.
MembersFaculty
- ProfessorShinya Kijimoto
- Associate ProfessorSatoshi Ishikawa
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Sony-WH-1000XM3-kabellose-Bluetooth-Noise-Cancelling-Kopfhoerer.5” www.digitalpush.net / CC BY 4.0 (cropped)
- Research on Sound and Vibration for Comfortable Environments: “Quiet room at Wikimania 2026” .Anja. / CC BY-SA 4.0 (cropped)
- Active Acoustic Control: “Radio-frequency-anechoic-chamber-HDR-0a” Adamantios / CC BY-SA 3.0 (cropped)
- Analysis Models for Vibration and Acoustics, and Medical-Engineering Collaboration: “Molecular Vibration Model – Atoms Connected by a Spring” Tby11 / CC0 (cropped)
- Related lab (ヒューマンセンタードロボティクス研究室): “Shadow Hand Bulb large” Richard Greenhill and Hugo Elias (myself) of the Shadow Robot Company / CC BY-SA 3.0 (cropped)
- Related lab (機械力学研究室): “A medical ultrasound linear array probe, scan head, transducer” Harrison Keely / CC BY 4.0 (cropped)
- Related lab (設計工学研究室): “Prosthesis 002” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (構造材料評価研究室): “TiAl duplex” Lne / CC0 (cropped)
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