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Transmission and Propagation
Acoustical Apparatus and Instruments
3 other sections not shown
abbreviation absorption acceleration acoustic American National Stan American National Standard amplitude ANSI average band bandwidth base caused characteristic coefficient constant cross damping dard decibel dB density designed Determination Device difference direction displacement distance effective electric electroacoustic energy equal equivalent field filter force function given hearing impedance incident input interval logarithm loss loudness loudspeaker material Measurement mechanical medium meter Method microphone mode motion noise normal NOTE-The NOTES object octave oscillation output particle pascal periodic plane position presented produce propagation quantity quency quotient range ratio receiver reference reflection resonance response resulting reverberation Sabine scattering sensitivity shock signal simple sonar sound exposure sound field sound level sound power sound pressure level sound wave specified frequency spectrum speech square surface symbol threshold tion transducer transmission ultrasonic Unit usually velocity vibration voltage volume weighting zero