ADAPTIVE AND SMART BEAM FORMING IN AD-HOC MICROPHONE ARRAYS BY CLUSTERING AND RANKING OF THE MICROPHONES

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YAZDANI SEYYED HAMID; ABOUTALEBI HAMID REZA

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Journal: SIGNAL AND DATA PROCESSING Year:2015 | Volume:- | Issue:3 (SERIAL 25) Page(s): 57-68

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Information Journal Paper

Title

ADAPTIVE AND SMART BEAM FORMING IN AD-HOC MICROPHONE ARRAYS BY CLUSTERING AND RANKING OF THE MICROPHONES

Author(s)

YAZDANI SEYYED HAMID | ABOUTALEBI HAMID REZA | Issue Writer Certificate

Keywords

SPEECH ENHANCEMENTQ2

BEAM FORMINGQ2

AD-HOC MICROPHONE ARRAYQ2

CLUSTERINGQ2

GSC BEAMFORMERQ2

Abstract

Considering the existence of a many speech degradation factors, SPEECH ENHANCEMENT has become an important topic in the field of speech processing. BEAM FORMING is one of the well-known methods for improving the speech quality that is conventionally applied using regular (classical) microphone arrays. Due to the restrictions in the regular arrangement of microphones, in recent years there has been an emerging trend toward the microphone arrays with irregular arrangement (or so-called AD-HOC MICROPHONE ARRAYs). Due to the lack of knowledge about the location and the arrangement of microphones, and spreading of the microphones throughout the environment, the idea of CLUSTERING has been considered in this paper. We propose a method for the CLUSTERING of microphones in directional noise fields. For this type of noise fields, we propose a new CLUSTERING method that works based on the energy of the received signals. We have tried that the proposed CLUSTERING method to be applicable in different directional noise fields. We also propose a modified structure for the GSC beam former by considering different roles for microphone clusters. Our evaluations indicate that in some situations, employing a microphone cluster produces superior results compared to the usage of all microphones. This, in turn, shows that the performance of the SPEECH ENHANCEMENT system can been improved using the CLUSTERING process, while the computational load is also decreased (due the reduction in the number of employed microphones).

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APA: Copy

YAZDANI, SEYYED HAMID, & ABOUTALEBI, HAMID REZA. (2015). ADAPTIVE AND SMART BEAM FORMING IN AD-HOC MICROPHONE ARRAYS BY CLUSTERING AND RANKING OF THE MICROPHONES. SIGNAL AND DATA PROCESSING, -(3 (SERIAL 25)), 57-68. SID. https://sid.ir/paper/160871/en

Vancouver: Copy

YAZDANI SEYYED HAMID, ABOUTALEBI HAMID REZA. ADAPTIVE AND SMART BEAM FORMING IN AD-HOC MICROPHONE ARRAYS BY CLUSTERING AND RANKING OF THE MICROPHONES. SIGNAL AND DATA PROCESSING[Internet]. 2015;-(3 (SERIAL 25)):57-68. Available from: https://sid.ir/paper/160871/en

IEEE: Copy

SEYYED HAMID YAZDANI, and HAMID REZA ABOUTALEBI, “ADAPTIVE AND SMART BEAM FORMING IN AD-HOC MICROPHONE ARRAYS BY CLUSTERING AND RANKING OF THE MICROPHONES,” SIGNAL AND DATA PROCESSING, vol. -, no. 3 (SERIAL 25), pp. 57–68, 2015, [Online]. Available: https://sid.ir/paper/160871/en

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