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Asakura Lab
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A lab that predicts and controls vibration and sound, and studies how people perceive them.
AboutAbout the lab
Understanding vibration and sound phenomena through mechanical engineering
The Asakura Lab studies the phenomena of sound and vibration based on mechanical engineering.
The lab develops simulations that predict vibration and sound occurring at scales ranging from cities to fine structures, along with control technologies to suppress them.
Because vibration and sound are closely related, the lab investigates techniques for calculating the vibration and sound of structures together, and methods for suppressing both efficiently.
The lab also conducts research that incorporates human factors engineering, namely how people perceive and feel vibration and sound, and carries out joint research with outside research institutions.
Key terms
- Binaural
- A method of recording and playing back sound that reproduces the differences in sound reaching the left and right ears, so that the direction and distance of the sound can be perceived.
- Anechoic chamber
- A specially built room whose walls and floor absorb almost all sound, so that there is virtually no reverberation.
- Subjective evaluation
- A method in which people actually listen to sounds and report qualities such as loudness or unpleasantness, which are then quantified and compared.
NewsLab news
A student won the Outstanding Poster Award at the 4th Parallel Brain Symposium
A student won the Outstanding Poster Award at the 3rd Parallel Brain Symposium
ResearchResearch themes
The Asakura Lab studies the phenomena of sound and vibration based on mechanical engineering. It also works on themes related to how people hear and perceive sound, such as reproducing sound in virtual space and the timbre of musical instruments.
*Illustrative imageReproducing sound in virtual space
The lab studies dynamic binaural playback, a technique that uses the gyro sensor of a head-mounted display to play left and right sounds naturally as the head turns. It also examines how the perceived direction of sound changes with and without correction.
*Illustrative imageThe effect of video on how sound is perceived
Subjective evaluation of sound has generally been done by playing only sound in an anechoic chamber. Using a system that presents 360° video together with sound, the lab compares how discomfort and perceived loudness change with and without video for sounds such as roadways and parks near airports.
*Illustrative imageString properties and the timbre of stringed instruments
Even on the same instrument, timbre changes with the way it is played and with the material and type of the strings. Through physical experiments and subjective evaluation experiments, the lab assesses how the physical properties of strings and the way force is applied when moving the bow affect the sound of the instrument.
*Illustrative imageSimulation and control for predicting vibration and sound
The lab develops simulation techniques that predict vibration and sound phenomena, and techniques that calculate the vibration and sound of structures together, and investigates methods for efficiently suppressing the generation of vibration and sound.
MembersFaculty
The members of the Asakura Lab consist of faculty, a secretary, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTakumi Asakura
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
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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: “Chladni plate 18” Exhibit made by Estes Objethos Atelier, photo by Rodrigo Tetsuo Argenton / CC BY-SA 4.0 (cropped)
- Reproducing sound in virtual space: “Virtual reality headset” FloppaIngénieur / CC BY 4.0 (cropped)
- The effect of video on how sound is perceived: “Anechoic chamber-3” Togabi / CC BY-SA 4.0 (cropped)
- String properties and the timbre of stringed instruments: “Violin strings in close-up (Unsplash)” Providence Doucet providence / CC0 (cropped)
- Simulation and control for predicting vibration and sound: “Chladni plate 14” Exhibit made by Estes Objethos Atelier, photo by Rodrigo Tetsuo Argenton / CC BY-SA 4.0 (cropped)
- Related lab (上野研究室): “Bubbles inside boiling water” Snehit Jamere / CC BY-SA 4.0 (cropped)
- Related lab (塚原研究室): “Heat-transmittance-means2” Kmecfiunit, cmglee / CC BY-SA 4.0 (cropped)
- Related lab (小笠原研究室): “Hypersonic Research Engine in the Hypersonic Tunnel Facility (grc-1973-c-02625-2)” NASA / Public domain (cropped)
- Related lab (岡田研究室): “Harmonic Analysis of Impeller” Ajay B. Harish / CC BY-SA 4.0 (cropped)
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