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Oikawa Lab
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The lab studies sound broadly, from basic to applied research, covering everything from how sound is generated to how it reaches the ear.

AboutAbout the lab
Sound is an essential means of communication.
The Oikawa Lab studies sound, an essential means of communication for people, broadly from basic to applied research.
Sound travels through air as a longitudinal wave, through alternating compression and rarefaction of the air.
The lab observes how acoustic communication is conveyed in three domains: sound generation, propagation through space, and perception by the ear.
Students pursue themes that match their own interests, such as visualization and measurement of sound, the physics and mathematics of musical instruments, and analysis of acoustic signals.
Key terms
- Acoustic communication
- Conveying and receiving information through sound
- Longitudinal wave
- A wave in which the medium vibrates in the same direction as the wave travels. Sound is one example
- Acoustic signal
- Sound represented as electrical data
NewsLab news
View More ↗ResearchResearch themes
The lab handles a wide range of subjects related to sound, including visualization and measurement of sound, building devices and software related to sound, the physics and mathematics of musical instruments, and analysis of acoustic signals. In each of the three domains, it also aims to create tools that support the exchange of sound.
*Illustrative imageSound Visualization and Measurement
The lab studies methods for making the way sound travels visible and for measuring sound.
*Illustrative imageDevelopment of Sound-Related Devices and Software
The lab studies the development of devices and software related to sound.
*Illustrative imagePhysics and Mathematics of Musical Instruments
The lab studies how musical instruments produce sound, using concepts from physics and mathematics.
*Illustrative imageAcoustic Signal Analysis and Processing
The lab studies methods for analyzing and processing recorded sound data by computer.
MembersFaculty
- ProfessorYasuhiro Oikawa
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: “Spectrogram - Nine Inch Nails - My Violent Heart” Omegatron / CC BY-SA 3.0 (cropped)
- Sound Visualization and Measurement: “ANECHOIC CHAMBER - NARA - 17423797” Unknown authorUnknown author or not provided / Public domain (cropped)
- Development of Sound-Related Devices and Software: “P21653A loudspeaker - front view” Mister rf / CC BY-SA 4.0 (cropped)
- Physics and Mathematics of Musical Instruments: “Ghumura Drum with Dhanua (Traditional Tribal Musical Instrument of Odisha)” Aliva Sahoo / CC BY-SA 4.0 (cropped)
- Acoustic Signal Analysis and Processing: “Triangular wave and square wave on oscilloscope screen (cropped)” User:Xato / CC0 (cropped)
- Related lab (Kawahara Lab): “Faces of Resilience” Agasielisha1234 / CC BY 4.0 (cropped)
- Related lab (Morimoto Lab): “Organ interior (organ pipes)” Bartłomiej Bulicz / CC BY-SA 3.0 (cropped)
- Related lab (Hashida Lab): “Swiss pine (Pinus cembra) 'Columnaris' cone close-up” ILoveAllTrees / CC BY-SA 4.0 (cropped)
- Related lab (Ogata Lab): “Robot arm handles an assay plate” National Institute of Allergy and Infectious Diseases / Public domain (cropped)
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