Angular region-wise speech enhancement for hands-free speakerphone

Angular region-wise speech enhancement for hands-free speakerphone

A novel speech enhancement technique using a microphone array is implemented on a hands-free speakerphone prototype. The technique is able to emphasise sound arriving from the angular region where speakers are located (speaker region) while effectively suppressing noise located in the other angular...

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Hauptverfasser: Hioka, Y., Furuya, K., Kobayashi, K., Sakauchi, S., Haneda, Y.
Format: Tagungsbericht
Sprache:eng ; jpn
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Arrays
Microphones
Noise
Prototypes
Speech enhancement
Tin
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creator Hioka, Y.
Furuya, K.
Kobayashi, K.
Sakauchi, S.
Haneda, Y.
description A novel speech enhancement technique using a microphone array is implemented on a hands-free speakerphone prototype. The technique is able to emphasise sound arriving from the angular region where speakers are located (speaker region) while effectively suppressing noise located in the other angular region (noise region). Experiments were performed to examine the performance of the proposed technique; the resultant directivity had a drastic drop-off between the regions while keeping its sensitivity constant within the same region.
doi_str_mv 10.1109/GCCE.2012.6379560
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identifier ISSN: 2378-8143
ispartof The 1st IEEE Global Conference on Consumer Electronics 2012, 2012, p.144-145
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language eng ; jpn
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Arrays
Microphones
Noise
Prototypes
Speech enhancement
Tin
title Angular region-wise speech enhancement for hands-free speakerphone
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