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A Preliminary Acquaintance
Detecting and Measuring Sound
18 other sections not shown
A-weighted absorption acoustic impedance amplitude analogous angle average axis baffle Bessel functions cabinet calculate Chap circuit coil components cone consider damping decibels described diameter diaphragm dipole direct sound displacement distance driving effect electrical electrical impedance energy density equation example factor Figure filter finite flow force frequency response harmonic Helmholtz resonator infinite input impedance integral intensity kg/s limit loudspeaker magnetic mass maximum measure mechanical impedance membrane meter microphone motion move Musical Acoustics noise normal modes octave oscillator output phase phasor pipe piston plane pressure Prob problem radiation radiation impedance radius range reactance reflections resistance resonance reverberant sound side signal simple sine waves sinusoidal solution sound level sound waves speaker spectrum spherical standing wave strength string Suppose transducer transverse waves velocity vibrating voltage volume wall waveform wavelength zero