In this paper we present a microphone beamforming algorithm. This algorithm has been implemented in Marvell’s proprietary digital signal processor embedded in Marvell’s audio codec chip. This beamforming algorithm features (1) easy to implement; (2) sound source localization (SSL) and sound source tracking; and (3) single in single out frequency domain noise cancellation. Lab tests show that the performance is better than the reference existing codec.
Xie, Jin; Yoo, Sungyub; Jain, Kapil
Affiliation: Marvell Technology Group Ltd., Santa Clara, CA, USA
AES Convention: 140 (May 2016) Paper Number: 9519
Publication Date: May 26, 2016
Subject: Audio Signal Processing: Beamforming, Upmixing, HRTF
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