Acoustic Waves Generated by Parametric Array Loudspeakers
Autor Jiaxin Zhong, Xiaojun Qiuen Limba Engleză Hardback – 13 aug 2024
The properties of sound fields generated by PALs are analyzed. Also analyzed are various phenomena including the reflection of acoustics waves generated by PALs from a surface, transmission through a thin partition, scattering by a rigid sphere, and propagation in rooms. Furthermore, the steering and focusing of acoustics waves generated by PALs and potential applications of PALs in active sound control are investigated. Finally, the implementation issues of hardware, signal processing techniques, measurement, and safety are discussed.
The book is tailored to meet the needs of researchers in this field, as well as audio practitioners and acoustics engineers.
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Specificații
ISBN-13: 9781032408521
ISBN-10: 1032408529
Pagini: 384
Ilustrații: 376
Dimensiuni: 156 x 234 mm
Greutate: 0.87 kg
Ediția:1
Editura: CRC Press
Colecția CRC Press
Locul publicării:Boca Raton, United States
ISBN-10: 1032408529
Pagini: 384
Ilustrații: 376
Dimensiuni: 156 x 234 mm
Greutate: 0.87 kg
Ediția:1
Editura: CRC Press
Colecția CRC Press
Locul publicării:Boca Raton, United States
Public țintă
Postgraduate and ProfessionalCuprins
1. Physical Basis for Parametric Array Loudspeakers (PALs). 2. Numerical Models for Parametric Array Loudspeakers. 3. Sound Fields Generated by PALs in Free Space. 4. Reflection, Transmission, and Scattering of Acoustic Waves Generated by PALs. 5. Sound Fields Generated by PALs in Rooms. 6. Steerable and Focusing PALs. 7. Active Noise Control with PALs. 8. Implementation of PALs. Appendix A. Attenuation Coefficients of Pure-Tone Sound in Air Due to Atmospheric Absorption. Appendix B. Mathematical Formulae on Special Functions.
Notă biografică
Jiaxin Zhong is a postdoctoral researcher in the Graduate Program in Acoustics at The Pennsylvania State University, USA
Xiaojun Qiu is a Professor at Nanjing University, China. He is a Fellow of the Audio Engineering Society and the International Institute of Acoustics and Vibration. He is author of An Introduction to Virtual Sound Barriers, and co-author of Active Control of Noise and Vibration, 2nd edition, also published by CRC Press.
Xiaojun Qiu is a Professor at Nanjing University, China. He is a Fellow of the Audio Engineering Society and the International Institute of Acoustics and Vibration. He is author of An Introduction to Virtual Sound Barriers, and co-author of Active Control of Noise and Vibration, 2nd edition, also published by CRC Press.
Descriere
Parametric array loudspeakers (PALs) are capable of generating highly directional audio beams from nonlinear interactions of intense airborne ultrasound waves. This book systematically introduces the physical principles of acoustics waves generated by PALs, along with the commonly used and the state-of-the-art numerical models.