American National Standard: Acoustical Terminology

A-weighted A-weighted sound abbreviation absorption coefficient acoustic impedance American National Stan American National Standard amplitude ANSI architectural acoustics audiometer average sound level backscattering bandwidth base ten Calibration damping dard dard Method decibel dB Device displacement earphone effective acoustical center electric electroacoustic electroacoustic transducer equal filter force free-field frequency band frequency weighting function hertz hertz Hz impact sound input instantaneous interval ISO/TC logarithm loudness loudspeaker masking Measurement medium meter per second microphone National Standard Method normal NOTE-In NOTE-See NOTE-The NOTES octave oscillation output particle velocity pascal plane propagation quency quotient reference rating resonance reverberation Revision of ANSI Sabine absorption sensitivity signal sinusoidal sonar sonic sound energy sound field Sound Power Levels sound pres sound pressure level sound source sound transmission sound transmission class sound wave specific acoustic specified direction specified frequency speed of sound square surface symbol time-mean-square tion transducer transducer for sound transmission loss voltage