Room Acoustics

absolute value absorbent absorption coefficient according to Equation acoustical feedback Acustica angular frequency applied assume attenuation attenuation constant average calculated characterised characteristic impedance completely components concert halls coordinate corresponding damping constants decay curves decay process delay denotes depends diffuse sound field direct sound directional distribution distance 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 particle velocity phase angle plane wave porous layer pressure amplitude quantity rectangular room reflecting wall reflection factor resonance result reverberation chamber rigid wall room acoustics Section solid angle sound energy sound incidence sound particle sound pressure sound rays sound signal sound wave speech intelligibility standing wave surface tion transmission function vibration wall impedance wavelength Рос