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- W2177365772 abstract "Automatic speech recognition from multiple distant micro- phones poses significant challenges because of noise and reverberations. The quality of speech acquisition may vary between microphones because of movements of speakers and channel distortions. This paper proposes a channel selection approach for selecting reliable channels based on selection criterion operating in the short-term modulation spectrum domain. The proposed approach quantifies the relative strength of speech from each microphone and speech obtained from beamforming modulations. The new technique is compared experimentally in the real reverb conditions in terms of perceptual evaluation of speech quality (PESQ) measures and word error rate (WER). Overall improvement in recognition rate is observed using delay-sum and superdirective beamformers compared to the case when the channel is selected randomly using circular microphone arrays." @default.
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- W2177365772 date "2015-09-06" @default.
- W2177365772 modified "2023-10-16" @default.
- W2177365772 title "Channel selection in the short-time modulation domain for distant speech recognition" @default.
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- W2177365772 doi "https://doi.org/10.21437/interspeech.2015-248" @default.
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