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Binaural Moving Sound Source Localization by Joint Estimation of ITD and ILD

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Spatial cues ITD and ILD which provide sound localization information play a very important role in binaural localization system. Efficient improvement of binaural moving sound source localization method by joint estimation of ITD and ILD based on Doppler effect is investigated. By removing Doppler effect influence, results show that the proposed binaural moving sound source localization method achieves 0.3%(velocity = 1m/s), 5.7%(velocity = 5m/s) and 10.5%(velocity = 10m/s) accuracy improvement in silent conditions. The performance of our method will be more effective as sound moves faster.

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AES - Audio Engineering Society