Real-Time DSP Implementation of a Subband Beamforming Algorithm for Dual Microphone Speech Enhancement

Zohra Yermeche; Benny Sällberg; Nedelko Grbic; Ingvar Claesson

doi:10.1109/ISCAS.2007.378462

Real-Time DSP Implementation of a Subband Beamforming Algorithm for Dual Microphone Speech Enhancement

Zohra Yermeche, Benny Sällberg, Nedelko Grbic, Ingvar Claesson

Blekinge Institute of Technology

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

Abstract

A real-time digital signal processor (DSP) based implementation of a subband beamforming algorithm and its evaluation for dual microphone speech enhancement is presented. The algorithm, a calibrated constrained beamformer, is described theoretically and a real-time structure is proposed, including an efficient approach for multichannel data transformation. Measurements show that the battery driven DSP implementation supports 20 h operation-time, with an improved signal-to-noise ratio (SNR) of up to 14 dB in high-noise factory environment. Further, less than half the provided computational performance of the DSP is used by the proposed method, hence, processing of additional tasks may be included.

Original language	English
Title of host publication	IEEE International Symposium on Circuits and Systems
Publisher	IEEE - Institute of Electrical and Electronics Engineers Inc.
Pages	353-356
Number of pages	4
ISBN (Electronic)	1-4244-0921-7
ISBN (Print)	1-4244-0920-9
DOIs	https://doi.org/10.1109/ISCAS.2007.378462
Publication status	Published - 2007 May
Externally published	Yes
Event	2007 IEEE International Symposium on Circuits and Systems, ISCAS 2007 - New Orleans, LA, United States Duration: 2007 May 27 → 2007 May 30

Conference

Conference	2007 IEEE International Symposium on Circuits and Systems, ISCAS 2007
Country/Territory	United States
City	New Orleans, LA
Period	2007/05/27 → 2007/05/30

Subject classification (UKÄ)

Signal Processing

Access to Document

10.1109/ISCAS.2007.378462

Cite this

@inproceedings{8c29ed19084e4d83ab59eec92693757e,

title = "Real-Time DSP Implementation of a Subband Beamforming Algorithm for Dual Microphone Speech Enhancement",

abstract = "A real-time digital signal processor (DSP) based implementation of a subband beamforming algorithm and its evaluation for dual microphone speech enhancement is presented. The algorithm, a calibrated constrained beamformer, is described theoretically and a real-time structure is proposed, including an efficient approach for multichannel data transformation. Measurements show that the battery driven DSP implementation supports 20 h operation-time, with an improved signal-to-noise ratio (SNR) of up to 14 dB in high-noise factory environment. Further, less than half the provided computational performance of the DSP is used by the proposed method, hence, processing of additional tasks may be included.",

author = "Zohra Yermeche and Benny S{\"a}llberg and Nedelko Grbic and Ingvar Claesson",

year = "2007",

month = may,

doi = "10.1109/ISCAS.2007.378462",

language = "English",

isbn = "1-4244-0920-9",

pages = "353--356",

booktitle = "IEEE International Symposium on Circuits and Systems",

publisher = "IEEE - Institute of Electrical and Electronics Engineers Inc.",

address = "United States",

note = "2007 IEEE International Symposium on Circuits and Systems, ISCAS 2007 ; Conference date: 27-05-2007 Through 30-05-2007",

}

Yermeche, Z, Sällberg, B, Grbic, N & Claesson, I 2007, Real-Time DSP Implementation of a Subband Beamforming Algorithm for Dual Microphone Speech Enhancement. in IEEE International Symposium on Circuits and Systems. IEEE - Institute of Electrical and Electronics Engineers Inc., pp. 353-356, 2007 IEEE International Symposium on Circuits and Systems, ISCAS 2007, New Orleans, LA, United States, 2007/05/27. https://doi.org/10.1109/ISCAS.2007.378462

Real-Time DSP Implementation of a Subband Beamforming Algorithm for Dual Microphone Speech Enhancement. / Yermeche, Zohra; Sällberg, Benny; Grbic, Nedelko et al.
IEEE International Symposium on Circuits and Systems. IEEE - Institute of Electrical and Electronics Engineers Inc., 2007. p. 353-356.

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

TY - GEN

T1 - Real-Time DSP Implementation of a Subband Beamforming Algorithm for Dual Microphone Speech Enhancement

AU - Yermeche, Zohra

AU - Sällberg, Benny

AU - Grbic, Nedelko

AU - Claesson, Ingvar

PY - 2007/5

Y1 - 2007/5

N2 - A real-time digital signal processor (DSP) based implementation of a subband beamforming algorithm and its evaluation for dual microphone speech enhancement is presented. The algorithm, a calibrated constrained beamformer, is described theoretically and a real-time structure is proposed, including an efficient approach for multichannel data transformation. Measurements show that the battery driven DSP implementation supports 20 h operation-time, with an improved signal-to-noise ratio (SNR) of up to 14 dB in high-noise factory environment. Further, less than half the provided computational performance of the DSP is used by the proposed method, hence, processing of additional tasks may be included.

AB - A real-time digital signal processor (DSP) based implementation of a subband beamforming algorithm and its evaluation for dual microphone speech enhancement is presented. The algorithm, a calibrated constrained beamformer, is described theoretically and a real-time structure is proposed, including an efficient approach for multichannel data transformation. Measurements show that the battery driven DSP implementation supports 20 h operation-time, with an improved signal-to-noise ratio (SNR) of up to 14 dB in high-noise factory environment. Further, less than half the provided computational performance of the DSP is used by the proposed method, hence, processing of additional tasks may be included.

U2 - 10.1109/ISCAS.2007.378462

DO - 10.1109/ISCAS.2007.378462

M3 - Paper in conference proceeding

SN - 1-4244-0920-9

SP - 353

EP - 356

BT - IEEE International Symposium on Circuits and Systems

PB - IEEE - Institute of Electrical and Electronics Engineers Inc.

T2 - 2007 IEEE International Symposium on Circuits and Systems, ISCAS 2007

Y2 - 27 May 2007 through 30 May 2007

ER -

Real-Time DSP Implementation of a Subband Beamforming Algorithm for Dual Microphone Speech Enhancement

Abstract

Conference

Subject classification (UKÄ)

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