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Improved Speech Spatial Covariance Matrix Estimation for Online Multi-Microphone Speech Enhancement.

Minseung Kim1, Sein Cheong1, Hyungchan Song1

  • 1School of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology, Buk-gu, Gwangju 61005, Republic of Korea.

Sensors (Basel, Switzerland)
|January 8, 2023
PubMed
Summary

This study introduces an improved method for online multi-microphone speech enhancement, focusing on better estimation of speech spatial covariance matrices (SCMs). The new approach enhances speech clarity and intelligibility in noisy environments.

Keywords:
RTF estimationmulti-microphone speech enhancementspeech PSD estimationspeech spatial covariance matrix estimationtemporal cepstrum smoothing

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