Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review
Research output: Contribution to conference - Without ISBN/ISSN › Conference paper › peer-review
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TY - CONF
T1 - Investigation into the sound field reproduction systems
T2 - 56th Annual Conference of the British Institute of Non-Destructive Testing, NDT 2017
AU - Karimian, Noushin
AU - Montazeri, Allahyar
AU - Karimian, Shokrollah
PY - 2017/1/1
Y1 - 2017/1/1
N2 - In this paper, an attempt has been made to analyse and present the state-of-the-art sound reproduction systems. This work is the result of extensive literature on the various types of sound or acoustic synthesis, and production and reproduction techniques. It is shown that combination of digital signal processing (DSP) approaches can help improve the overall system performance. Compensation techniques have also been applied to reduce the chances of occurrence of errors, artifacts and inaccuracies in sound field reproduction; deficiencies that often result from factors such as deficiencies in the rendering techniques and the effect of listening environment. These techniques, including multiple-input-multiple-output (MIMO) channel inversion, and multi-point controlled wavefront synthesis, perform either partial or full compensation of sound field. It was found that multichannel wave field synthesis (MWFS), as a non-destructive testing approach, demonstrates a unified solution comprising of MIMO channel inversion and WFS, with the ability to satisfactorily reproduce the sound field in a large area, with compensation factors such as reflection, various room effects and spatial aliasing.
AB - In this paper, an attempt has been made to analyse and present the state-of-the-art sound reproduction systems. This work is the result of extensive literature on the various types of sound or acoustic synthesis, and production and reproduction techniques. It is shown that combination of digital signal processing (DSP) approaches can help improve the overall system performance. Compensation techniques have also been applied to reduce the chances of occurrence of errors, artifacts and inaccuracies in sound field reproduction; deficiencies that often result from factors such as deficiencies in the rendering techniques and the effect of listening environment. These techniques, including multiple-input-multiple-output (MIMO) channel inversion, and multi-point controlled wavefront synthesis, perform either partial or full compensation of sound field. It was found that multichannel wave field synthesis (MWFS), as a non-destructive testing approach, demonstrates a unified solution comprising of MIMO channel inversion and WFS, with the ability to satisfactorily reproduce the sound field in a large area, with compensation factors such as reflection, various room effects and spatial aliasing.
KW - Compensation factors
KW - Multichannel wave field synthesis
KW - Non-destructive testing
KW - Sound field reproduction systems
UR - http://www.scopus.com/inward/record.url?scp=85032570139&partnerID=8YFLogxK
M3 - Conference paper
AN - SCOPUS:85032570139
Y2 - 5 September 2017 through 7 September 2017
ER -