Vortex sound in bass-reflex ports of loudspeakers. Part I. Observation of response to harmonic excitation and remedial measures

Journal of the Acoustical Society of America

Volumn 104, Issue 4, 1998, Pages 1914-1918

  Roozen, N Bert ^a   Bockholts, Marije ^b   Van Eck, Pascal ^b   Hirschberg, A ^b  

^a PHILIPS RESEARCH LABORATORIES   (Netherlands)

^b EINDHOVEN UNIVERSITY OF TECHNOLOGY   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTICS; AMPLITUDE MODULATION; ARTICLE; AUDIOVISUAL EQUIPMENT; EXCITATION; FLOW RATE; FREQUENCY MODULATION; HIGH FREQUENCY OSCILLATION; LOUDNESS; OSCILLATION; PRIORITY JOURNAL; PULSATILE FLOW; SOUND INTENSITY; SOUND PRESSURE;

EID: 0031664403     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.423760     Document Type: Article

References (8)

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4. R. Verzicco, "Direct simulation of transition in Stokes boundary layers," Phys. Fluids 8, 1341-1343 (1996).
5. W. Merzkirch, Flow Visualization (Academic, New York, 1974).
6. M. C. A. M. Peters, A. Hirschberg, A. J. Reijnen, and A. P. J. Wijnands, "Damping and reflection coefficient measurements for an open pipe at low Mach and low Helmholtz numbers," J. Fluid Mech. 256, 499-534 (1993).
7. A. Powell, "Theory of vortex sound," J. Acoust. Soc. Am. 36, 177-195 (1964).
8. N. B. Roozen, J. E. M. Vael, and J. A. M. Nieuwendijk, "Reduction of bass-reflex port non-linearities by optimizing the port geometry," AES 104th Convention, Amsterdam (1998), preprint No. 4661.