Abstract

The ability of dynamic extraction of remote sounds is very appealing. In this manuscript we propose an optical approach allowing the extraction and the separation of remote sound sources. The approach is very modular and it does not apply any constraints regarding the relative position of the sound sources and the detection device. The optical setup doing the detection is very simple and versatile. The principle is to observe the movement of the secondary speckle patterns that are generated on top of the target when it is illuminated by a spot of laser beam. Proper adaption of the imaging optics allows following the temporal trajectories of those speckles and extracting the sound signals out of the processed trajectory. Various sound sources are imaged in different spatial pixels and thus blind source separation becomes a very simple task.

© 2009 Optical Society of America

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References

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  1. Peter Yapp, "Who’s Bugging You? How Are You Protecting Your Information?," Information Security Technical Report 5, 23-33 (2000).
  2. L. Hasan, N. Yu, and J. Paradiso, "The Termenova: A hybrid free-gesture interface," Proceeding of the 2002 conference on new instrumentations for musical expression (NIME-02), Dublin, Ireland, May 24-26 2002.
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
  13. J. García, Z. Zalevsky, P. García-Martínez, C. Ferreira, M. Teicher, Y. Beiderman, and A. Shpunt, "3D Mapping and Range Measurement by Means of Projected Speckle Patterns," Appl. Opt. 47, 3032-3040 (2008).
    [CrossRef]
  14. J. Garcia, Z. Zalevsky, and D. Fixler, "Synthetic aperture superresolution by speckle pattern projection," Opt. Express 13, 6073-6078 (2005).
    [CrossRef]
  15. D. Bansal, B. Raj, and P. Smaragdis, "Bandwidth expansion of narrowband speech using non negative matrix factorization," paper TR2005-135, 9th European Conference on Speech Communication (Eurospeech) 2005.
  16. High speed digital cameras: http://www.photron.com/.

2008 (1)

2005 (1)

2000 (1)

Peter Yapp, "Who’s Bugging You? How Are You Protecting Your Information?," Information Security Technical Report 5, 23-33 (2000).

1996 (1)

K. Uno, J. Uozumi, and T. Asakura, "Correlation properties of speckles produced by diffractal-illuminated diffusers," Opt. Commun. 124, 16-22 (1996).
[CrossRef]

1987 (1)

1985 (1)

T. C.  Chu, W. F.  Ranson, and M. A.  Sutton, "Applications of digital-image-correlation techniques to experimental mechanics," Exp. Mech 25, 232-244 (1985).
[CrossRef]

1982 (2)

W. H. Peters and W. F. Ranson, "Digital imaging techniques in experimental stress analysis," Opt. Eng. 21, 427-431 (1982).

H. M. Pedersen, "Intensity correlation metrology: a comparative study," Opt. Acta 29, 105-118 (1982).

1980 (1)

N. Takai, T. Iwai, T. Ushizaka, and T. Asakura, "Zero crossing study on dynamic properties of speckles," J. Opt. (Paris) 11, 93-101 (1980).

1970 (1)

J. A. Leedertz, "Interferometric displacement measurements on scattering surfaces utilizing speckle effects," J. Phy. E. Sci. Instrum. 3, 214-218 (1970).
[CrossRef]

Asakura, T.

K. Uno, J. Uozumi, and T. Asakura, "Correlation properties of speckles produced by diffractal-illuminated diffusers," Opt. Commun. 124, 16-22 (1996).
[CrossRef]

N. Takai, T. Iwai, T. Ushizaka, and T. Asakura, "Zero crossing study on dynamic properties of speckles," J. Opt. (Paris) 11, 93-101 (1980).

Beiderman, Y.

Chu, T. C.

T. C.  Chu, W. F.  Ranson, and M. A.  Sutton, "Applications of digital-image-correlation techniques to experimental mechanics," Exp. Mech 25, 232-244 (1985).
[CrossRef]

Ferreira, C.

Fixler, D.

Garcia, J.

García, J.

García-Martínez, P.

Iwai, T.

N. Takai, T. Iwai, T. Ushizaka, and T. Asakura, "Zero crossing study on dynamic properties of speckles," J. Opt. (Paris) 11, 93-101 (1980).

Jacquot, P.

Leedertz, J. A.

J. A. Leedertz, "Interferometric displacement measurements on scattering surfaces utilizing speckle effects," J. Phy. E. Sci. Instrum. 3, 214-218 (1970).
[CrossRef]

Pedersen, H. M.

H. M. Pedersen, "Intensity correlation metrology: a comparative study," Opt. Acta 29, 105-118 (1982).

Peters, W. H.

W. H. Peters and W. F. Ranson, "Digital imaging techniques in experimental stress analysis," Opt. Eng. 21, 427-431 (1982).

Ranson, W. F.

W. H. Peters and W. F. Ranson, "Digital imaging techniques in experimental stress analysis," Opt. Eng. 21, 427-431 (1982).

Ranson, W. F.

T. C.  Chu, W. F.  Ranson, and M. A.  Sutton, "Applications of digital-image-correlation techniques to experimental mechanics," Exp. Mech 25, 232-244 (1985).
[CrossRef]

Rastogi, P. K.

Shpunt, A.

Sutton, M. A.

T. C.  Chu, W. F.  Ranson, and M. A.  Sutton, "Applications of digital-image-correlation techniques to experimental mechanics," Exp. Mech 25, 232-244 (1985).
[CrossRef]

Takai, N.

N. Takai, T. Iwai, T. Ushizaka, and T. Asakura, "Zero crossing study on dynamic properties of speckles," J. Opt. (Paris) 11, 93-101 (1980).

Teicher, M.

Uno, K.

K. Uno, J. Uozumi, and T. Asakura, "Correlation properties of speckles produced by diffractal-illuminated diffusers," Opt. Commun. 124, 16-22 (1996).
[CrossRef]

Uozumi, J.

K. Uno, J. Uozumi, and T. Asakura, "Correlation properties of speckles produced by diffractal-illuminated diffusers," Opt. Commun. 124, 16-22 (1996).
[CrossRef]

Ushizaka, T.

N. Takai, T. Iwai, T. Ushizaka, and T. Asakura, "Zero crossing study on dynamic properties of speckles," J. Opt. (Paris) 11, 93-101 (1980).

Zalevsky, Z.

Appl. Opt. (1)

Exp. Mech (1)

T. C.  Chu, W. F.  Ranson, and M. A.  Sutton, "Applications of digital-image-correlation techniques to experimental mechanics," Exp. Mech 25, 232-244 (1985).
[CrossRef]

Information Security Technical Report (1)

Peter Yapp, "Who’s Bugging You? How Are You Protecting Your Information?," Information Security Technical Report 5, 23-33 (2000).

J. Opt. (Paris) (1)

N. Takai, T. Iwai, T. Ushizaka, and T. Asakura, "Zero crossing study on dynamic properties of speckles," J. Opt. (Paris) 11, 93-101 (1980).

J. Phy. E. Sci. Instrum. (1)

J. A. Leedertz, "Interferometric displacement measurements on scattering surfaces utilizing speckle effects," J. Phy. E. Sci. Instrum. 3, 214-218 (1970).
[CrossRef]

Opt. Acta (1)

H. M. Pedersen, "Intensity correlation metrology: a comparative study," Opt. Acta 29, 105-118 (1982).

Opt. Commun. (1)

K. Uno, J. Uozumi, and T. Asakura, "Correlation properties of speckles produced by diffractal-illuminated diffusers," Opt. Commun. 124, 16-22 (1996).
[CrossRef]

Opt. Eng. (1)

W. H. Peters and W. F. Ranson, "Digital imaging techniques in experimental stress analysis," Opt. Eng. 21, 427-431 (1982).

Opt. Express (1)

Opt. Lett. (1)

Other (6)

D. Bansal, B. Raj, and P. Smaragdis, "Bandwidth expansion of narrowband speech using non negative matrix factorization," paper TR2005-135, 9th European Conference on Speech Communication (Eurospeech) 2005.

High speed digital cameras: http://www.photron.com/.

L. Hasan, N. Yu, and J. Paradiso, "The Termenova: A hybrid free-gesture interface," Proceeding of the 2002 conference on new instrumentations for musical expression (NIME-02), Dublin, Ireland, May 24-26 2002.

SPIE session on biomedical OptoAcoustics, Vol. 3916, California (Jan. 2000): http://www.spie.org/web/meetings/programs/pw00/confs/3916.html.

Z. Zalevsky and J. Garcia, "Motion detection system and method," Israeli Patent Application No. 184868 (July 2007).

J. C. Dainty, Laser Speckle and Related Phenomena, 2nd ed. (Springer-Verlag, Berlin, 1989).

Supplementary Material (4)

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