Acoustic Waves Generated by Parametric Array Loudspeakers

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.

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• Acústica e engenharia de som
• Tecnologia da rádio
• Processamento áudio
• Engenharia electrotécnica

parametric acoustic array;nonlinear acoustics;directional sound;parametrically radiated sound;acoustical waves;focus sound beams;virtual sound barriers