SUBBAND BEAMFORMING OF MINIATURE MICROPHONE ARRAYS FOR AUDIO APPLICATIONS

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MAKI S.M.; MANZOURI SHALMANI M.T.

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Journal: THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING Year:2005 | Volume:3 | Issue:2-4 (B) Page(s): 39-45

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Information Journal Paper

Title

SUBBAND BEAMFORMING OF MINIATURE MICROPHONE ARRAYS FOR AUDIO APPLICATIONS

Author(s)

MAKI S.M. | MANZOURI SHALMANI M.T. | Issue Writer Certificate

Keywords

BEAMFORMINGQ4

MICROPHONE ARRAYQ4

FILTER BANKSQ4

DELAY-AND-SUM BEAMFONNERQ4

GENERALIZED SIDELOBE CANCELLERQ4

Abstract

Microphone array processing techniques have generated a tremendous interest in both theoretical and applied areas, especially, over the past decade. So long as an array performs a type of spatial filtering, the dimension of array will determine the acceptable frequency-range of the incoming waves. Consequently, it IS well known that, miniature MICROPHONE ARRAYs are not appropriate for audio applications. In this paper, we introduce a novel technique to utilize miniature MICROPHONE ARRAYs for detecting audio signals. Besides the problem of low sensitivity of such arrays in low frequency BEAMFORMING, due to dealing with wideband audio signals, is resolved. We start our discussion with a Delay and-Sum beam former, and extend it to the GSC-based beam former, as an example of popular beamformers. Constant directivity is an important result of the proposed approach

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APA: Copy

MAKI, S.M., & MANZOURI SHALMANI, M.T.. (2005). SUBBAND BEAMFORMING OF MINIATURE MICROPHONE ARRAYS FOR AUDIO APPLICATIONS. THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING, 3(2-4 (B)), 39-45. SID. https://sid.ir/paper/70692/en

Vancouver: Copy

MAKI S.M., MANZOURI SHALMANI M.T.. SUBBAND BEAMFORMING OF MINIATURE MICROPHONE ARRAYS FOR AUDIO APPLICATIONS. THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING[Internet]. 2005;3(2-4 (B)):39-45. Available from: https://sid.ir/paper/70692/en

IEEE: Copy

S.M. MAKI, and M.T. MANZOURI SHALMANI, “SUBBAND BEAMFORMING OF MINIATURE MICROPHONE ARRAYS FOR AUDIO APPLICATIONS,” THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING, vol. 3, no. 2-4 (B), pp. 39–45, 2005, [Online]. Available: https://sid.ir/paper/70692/en

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