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Basic concepts of noise and vibration
criteria and units
Sound in three dimensions
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A-weighted acoustic impedance acoustic sources amplifier amplitude analogy analysis approximate attenuation bandwidth basilar membrane calculated calibration capacitor centre frequency chapter complex component curves damping defined described diaphragm direct dynamic range effect electrical engineer equation equivalent example filter Fourier series Fourier Transform free-field frequency domain Frequency Hz frequency range Hanning window harmonic hearing loss Helmholtz resonator impedance input interval loudness loudspeaker machine masking material membrane microphone natural frequency noise control noise level noise measurement noise problems noise sources obtained octave bands odd function particle velocity periodic function piezoelectric piston pure tone radiation ratio record reference reflection resonance response result sample sensitivity shown in figure signal sinusoid sound energy sound field sound intensity sound level sound pressure level sound wave spectrum analyser surface transducer transmission usually vibration voltage wall waveform wavelength zero