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Wind-instrument reflection function measurements in the time domain

D H Keefe1

  • 1Systematic Musicology Program, University of Washington, Seattle 98195, USA.

The Journal of the Acoustical Society of America
|April 1, 1996
PubMed
Summary
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This study introduces a new experimental method to measure the acoustic response of wind instruments directly in the time domain. This technique offers a novel way to analyze musical instrument acoustics and air column behavior.

Area of Science:

  • Acoustics
  • Musical Instrument Physics

Background:

  • Theoretical and computational studies of wind instrument sound production are valuable.
  • Experimental time-domain measurements of air-column response are currently limited.

Purpose of the Study:

  • To propose and demonstrate a new experimental technique for measuring the time-domain reflection function of woodwind and brass instrument air columns.

Main Methods:

  • Developed a novel experimental, time-domain technique.
  • Utilized a probe assembly with an acoustic source and microphone inserted into the air column entryway.
  • Ensured a leak-free fit using a foam plug.
  • Calibrated the system using a cylindrical tube of known dimensions.

Main Results:

Related Experiment Videos

  • Successfully measured the reflection function response of alto saxophone and euphonium air columns.
  • Demonstrated the technique's applicability to different instrument types.

Conclusions:

  • The proposed technique provides a direct, experimental method for time-domain analysis of musical instrument air columns.
  • This method has potential for testing a wide range of wind instruments with a versatile probe assembly.