Loudspeaker Beamforming to Enhance Speech Recognition Performance of Voice Driven Applications
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866913848376688640 |
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| author | de Groot, Dimme Karslioglu, Baturalp Scharenborg, Odette Martinez, Jorge |
| author_facet | de Groot, Dimme Karslioglu, Baturalp Scharenborg, Odette Martinez, Jorge |
| contents | In this paper we propose a robust loudspeaker beamforming algorithm which is used to enhance the performance of voice driven applications in scenarios where the loudspeakers introduce the majority of the noise, e.g. when music is playing loudly. The loudspeaker beamformer modifies the loudspeaker playback signals to create a low-acoustic-energy region around the device that implements automatic speech recognition for a voice driven application (VDA). The algorithm utilises a distortion measure based on human auditory perception to limit the distortion perceived by human listeners. Simulations and real-world experiments show that the proposed loudspeaker beamformer improves the speech recognition performance in all tested scenarios. Moreover, the algorithm allows to further reduce the acoustic energy around the VDA device at the expense of reduced objective audio quality at the listener's location. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_08104 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Loudspeaker Beamforming to Enhance Speech Recognition Performance of Voice Driven Applications de Groot, Dimme Karslioglu, Baturalp Scharenborg, Odette Martinez, Jorge Audio and Speech Processing Sound In this paper we propose a robust loudspeaker beamforming algorithm which is used to enhance the performance of voice driven applications in scenarios where the loudspeakers introduce the majority of the noise, e.g. when music is playing loudly. The loudspeaker beamformer modifies the loudspeaker playback signals to create a low-acoustic-energy region around the device that implements automatic speech recognition for a voice driven application (VDA). The algorithm utilises a distortion measure based on human auditory perception to limit the distortion perceived by human listeners. Simulations and real-world experiments show that the proposed loudspeaker beamformer improves the speech recognition performance in all tested scenarios. Moreover, the algorithm allows to further reduce the acoustic energy around the VDA device at the expense of reduced objective audio quality at the listener's location. |
| title | Loudspeaker Beamforming to Enhance Speech Recognition Performance of Voice Driven Applications |
| topic | Audio and Speech Processing Sound |
| url | https://arxiv.org/abs/2501.08104 |