Absolute Measurement of Sound Without a Primary Standard

  title={Absolute Measurement of Sound Without a Primary Standard},
  author={W. R. MACLEA},
  • W. R. MACLEA
  • Published 2011
N application of theprinciple of r ciprocity applied to electroacoustic transducers led W. Schottky some time ago to derive a universal relationship between the action of a reversible unit as a microphone and as a loudspeaker. t His results, properly used, can lead to the absolute measurement of sound by means of purely electrical observations. Such absolute measurement in its practical form amounts to the calibration of a microphone. (Or in its less practical form, to the calibration of a… CONTINUE READING

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