acoustic equivalent volume

7.02  acoustic equivalent volume. Alternate method of stating acoustic compliance. Acoustic equivalent volume Va may be expressed as:      Va =  γ po Ca =  ρo c2 Ca where γ is the ratio of...

acoustical coupler

7.01  acoustical coupler. Cavity of specified shape and volume used for the calibration of earphones or microphones in conjunction with a calibrated microphone adapted to measure the sound pressure developed in the cavity....