Real-Time DSP Implementation of a Subband Beamforming Algorithm for Dual Microphone Speech Enhancement
(2007) 2007 IEEE International Symposium on Circuits and Systems, ISCAS 2007 p.353-356- 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.
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/8c29ed19-084e-4d83-ab59-eec92693757e
- author
- Yermeche, Zohra ; Sällberg, Benny ; Grbic, Nedelko LU and Claesson, Ingvar LU
- publishing date
- 2007-05
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- host publication
- IEEE International Symposium on Circuits and Systems
- pages
- 4 pages
- publisher
- IEEE - Institute of Electrical and Electronics Engineers Inc.
- conference name
- 2007 IEEE International Symposium on Circuits and Systems, ISCAS 2007
- conference location
- New Orleans, LA, United States
- conference dates
- 2007-05-27 - 2007-05-30
- external identifiers
-
- scopus:34548841090
- ISBN
- 1-4244-0921-7
- 1-4244-0920-9
- DOI
- 10.1109/ISCAS.2007.378462
- language
- English
- LU publication?
- no
- id
- 8c29ed19-084e-4d83-ab59-eec92693757e
- date added to LUP
- 2016-06-23 16:42:59
- date last changed
- 2024-01-04 08:57:29
@inproceedings{8c29ed19-084e-4d83-ab59-eec92693757e, 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 = {{Yermeche, Zohra and Sällberg, Benny and Grbic, Nedelko and Claesson, Ingvar}}, booktitle = {{IEEE International Symposium on Circuits and Systems}}, isbn = {{1-4244-0921-7}}, language = {{eng}}, pages = {{353--356}}, publisher = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}}, title = {{Real-Time DSP Implementation of a Subband Beamforming Algorithm for Dual Microphone Speech Enhancement}}, url = {{http://dx.doi.org/10.1109/ISCAS.2007.378462}}, doi = {{10.1109/ISCAS.2007.378462}}, year = {{2007}}, }