Constant beamwidth beamformer for difference frequency in parametric array

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

Volumn 5, Issue , 2003, Pages 361-364

  Tan, Khim S ^a   Gan, Woon S ^a   Yang, Jun ^a   Er, Meng H ^a  

^a NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC ARRAYS; ALGORITHMS; FREQUENCIES; ULTRASONIC WAVES;

ULTRASONIC FREQUENCIES;

SPEECH PROCESSING;

EID: 0141855324     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (7)

1. P. J. Westervelt, "Parametric acoustic array," J. Acoust. Soc. Am. 35, 535-537 (1963).
2. H. O. Berktay, "Possible exploitation of nonlinear acoustics in underwater transmitting applications," J. Sound Vib. (1965) 2 (4), 435-461.
3. M. Yoneyama and J. Fujimoto, "The audio spotlight: An application of nonlinear interaction of sound waves to a new type of loudspeaker design," J. Acoust. Soc. Am. 73 (5), 1532-1536 May 1983.
4. Michael, E. and James, J., III, "Modulator Processing for a Parametric Speaker System," WO 01/15491 A1.
5. Mark F. Hamilton and David T. Blackstock, "Nonlinear Acoustics," Academic Press, USA, 1998.
6. M. Goodwin and G. Elko, "Constant Beamwidth Beamforming," IEEE, 1993.
7. M. Goodwin and G. Elko, "Beam Dithering: Acoustic Feedback Control Using a Modulated-Directivity Loudspeaker Array," Proc. of the Audio Engineering Society, Oct 1992.