Bidirectional Turbo Equalizer Outperforms the Single Directional One for Underwater Acoustic Communications
Compared with the channel estimation based algorithm, the direct-adaptation based algorithm is less sensitive to the time-varying channel and has a lower bit error rate.
Read More >>Intelligibilities of Chinese Mandarin Sentences Differ among Various Frequency Regions
This research provides valuable information and understandings for the perception of Chinese and English, especially for the further study of the Chinese speech intelligibility.
Read More >>Multi-zone Sound Field Representation in Recording and Reproduction Requires Fewer Microphones
To reduce the number of required microphones, researcher from the Institute of Acoustics of the Chinese Academy of Sciences have recently proposed a multi-zone sound field reproduction method based on compressed sensing.
Read More >>Variable Step-size Subband Adaptive Filter Improves Convergence Performance
The new algorithms can achieve better performance in convergence rate, steady-state misalignment, and tracking performance than the original improved multiband-structured subband adaptive filter algorithm with a fixed step-size factor.
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A New Type of Acoustic Topological Insulator Is Realized by Metamaterial Rings Array
Most recently, researchers from several universities and research institutes work together to have represented an important step in the implementation of a diverse family of topological structures and networks for sound with new properties an...
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