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`Conferences > Proceedings of the 1998 IEEE ...
`
`A real time robust adaptive microphone array controlled by an
`SNR estimate
`Publisher: IEEE
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`4 Author(s)
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`O. Hoshuyama ; B. Begasse ; A. Sugiyama ; A. Hirano View All Authors
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`Abstract:A robust adaptive microphone array (RAMA) using a new adaptation-mode
`control method (AMC) is proposed, and its evaluation results by hardware are presented.
`The adaptati...View more
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`Metadata
`Abstract:
`A robust adaptive microphone array (RAMA) using a new adaptation-mode control
`method (AMC) is proposed, and its evaluation results by hardware are presented. The
`adaptation of the RAMA is controlled based on an SNR (signal-to-noise) estimate using
`the output powers of the fixed beamformer and the adaptive blocking matrix. The RAMA
`is implemented on a multi-DSP real time signal-processing system with a C-compiler.
`Simulation results with real acoustic data show that the AMC based on the SNR estimate
`causes less breathing noise than the conventional AMC and that it obtains 1.0-point
`higher score on a 5-point mean opinion score scale. Evaluation through a real time
`signal-processing system demonstrates that noise reduction achieved by the RAMA is
`over 12 dB even in reverberant environments.
`
`Published in: Proceedings of the 1998 IEEE International Conference on Acoustics,
`Speech and Signal Processing, ICASSP '98 (Cat. No.98CH36181)
`
`Date of Conference: 15-15 May 1998
`
`INSPEC Accession Number: 6069239
`
`Date Added to IEEE Xplore: 06 August
`2002
`
`DOI: 10.1109/ICASSP.1998.679659
`
`Publisher: IEEE
`
`Print ISBN: 0-7803-4428-6
`
`Print ISSN: 1520-6149
`
`Conference Location: Seattle, WA, USA,
`USA
`
`Amazon Ex. 1014
`IPR Petition - US RE47,049
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`Amazon Ex. 1014, Page 1 of 1
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