How to Design a Low Frequency Perforated Panel Sound Absorber
Several researchers from IOA have done a theoretical and experimental discussion on how to design a low frequency perforated panel sound absorber with short extended tubes in a limited thickness. The extended tubes greatly shift the sound abs...
Read More >>A New Method to Image Microseismic Source Location
Recently, researchers from the Institute of Acoustics (IOA), Chinese Academy of Sciences expanded seismic interferometric imaging method to elastic wave interferometric imaging, and proposed weighted-elastic-wave (WEW) interferometric imaging...
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Aerial Acoustic Communication Is Available for Hundreds of Meters
Researchers from the Institute of Acoustics of the Chinese Academy of Sciences have proposed an acoustic data transmission system, sound wave information of which can be transmitted over a considerably long distance expanded to hundreds of me...
Read More >>Use Transducer Array to Transmit Anti-Reverberation Acoustic Data
In recent days, an acoustic data transmission system for anti-reverberation applications has been proposed by researchers from the Institute of Acoustics of the Chinese Academy of Sciences. The single-carrier frequency domain equalization alg...
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Scientists Construct Ultra-sparse Metasurface for Blocking Low-frequency Sound
After demonstrating an ultraslow-fluid-like particle with intense artificial Mie resonances, Prof. LIU Xiaojun’s group at the Key Laboratory of Modern Acoustics, Nanjing University and the State Key Laboratory of Acoustics, Chinese Academy o...
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