Room Acoustics

absolute value absorption coefficient according to Equation acoustical feedback Acustica angular frequency applied assume attenuation attenuation constant audience average boundary conditions calculated ceiling characterised characteristic impedance components concert halls corresponding damping constants decay curves decay process delay denotes depends diffuse sound field direct sound directional distribution distance effect eigenfrequencies eigenvalues electroacoustical energy density excited frequency range Furthermore geometrical hence impulse response incident sound increase listeners loudspeaker low frequencies measurements method microphone mirror sources noise normal obtain panels partial room particle velocity plane wave porous layer quantity rectangular room resonance result reverberation chamber reverberation formulae rigid wall room acoustics Section solid angle sound energy sound incidence sound particle sound pressure sound rays sound signal sound source sound wave speech intelligibility standing wave surface tion vibrations volume wall impedance wall reflections wave equation wavelength Рос