Spectronics, Inc.

 
 

Resources

General Documents

The following resources will provide general information on absorption measurement:

  1. Notes on Absorption Measurements
  2. Cutting and Preparation of ACUPRO samples

    3. Technical Papers

    The following technical papers use the ACUPRO system to explore a range of acoustical issues:

    1. Experimental determination of acoustic properties using a two-microphone random-excitation technique
    2. Two-sensor methods for the measurement of sound intensity and acoustic properties in ducts
    3. Transfer function method for measuring characteristic impedance and propagation constant of porous materials
    4. Measuring Bulk Properties of Sound-Absorbing Materials using the Two-Source Method
    5. Error analysis of spectral estimates with application to the measurement of acoustic parameters using random sound fields in ducts
    6. Prediction of Sound-Absorbing Performance of Micro-Perforated Panels using the Transfer Matrix Method
    7. Enhancing micro-perforated panel attenuation by partitioning the adjoining cavity
    8. A Review of Current Techniques for Measuring Muffler Transmission Loss
    9. Measurement of pavement absorption of pass-by tracks based on ISO 13472-2
    10. Accurate Measurement of Small Absorption Coefficients
    11. A Simplified Two-Load Method for Measuring Source Impedance
 
 

Who We Are

We are engineers committed to finding solutions to your vibro-acoustic needs. Spectronics has been serving the NVH community for over 22 years; there is little that we have not seen and dealt with in that time. Our experience spans many industries and includes sound and vibration measurement, vibro-acoustic modeling, and software development. Let us hear about your needs in sound and vibration.

What We Do

Spectronics, Inc., is a technology-based company providing solutions to industry in vibro-acoustics. Products include the ACUPRO and ACUPAVE impedance tubes for both laboratory and field measurement of sound absorption. Spectronics also offers a wide range of services in vibro-acoustics including field and laboratory measurement of sound and vibration and consulting support to engineer a quiet environment for any application.

Contact Us

(001) 859-321-1843

2100 Elgin Place
Lexington, KY 40515, USA

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