Simcenter Testlab
HD Acoustic Array Testing & Analysis
Sound Source Localization (SSL)

Course Code
TR-TLHDCM
Software
Simcenter Testlab 2019.1
User Level
Beginner
Pricing ID
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List Price
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Training Center Duration
2 Days

Attendees of this course will learn how to use Simcenter Testlab HD Acoustic Array for Sound Source Localization (SSL).

The class will involve data acquistion as well as analysis using advanced microphone array techniques such as Beamforming, Focalization and irregular Nearfield Acoustic Holography (iNAH).

Following some lectures on general background information and theory, you will learn how to use the product through exercises on practical examples and go through application of various concepts. Tutorials will be used to demonstrate software use.

WHO SHOULD ATTEND

Engineers and technicians who need to learn how to use Simcenter Testlab HD Acoustic Array or want to learn about its capabilities.

PREREQUISITES

We recommend a basic understanding of Noise and Vibration measurements.

Attendees are encouraged to bring their own array hardware for this training if desired.

PROVIDED COURSE MATERIALS
  • Student Guide
  • Activity Material
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PRIMARY COURSE TOPICS

  • Introduction to the Simcenter Testlab platform and general Desktop functionalities
  • Review of Sound Source Localization (SSL)Theory
  • Instrumentation, setup, measurement, validation, analysis and post processing with Simcenter Testlab HD Acoustic Array hardware and software
  • Hands-on tutorials for HD Array data analysis to demonstrate various concepts listed below:
    • Basic operations - Localization map visualization, Sound playback
    • Trade-offs between beamforming, focalization and iNAH through practical examples
    • Order Tracking analysis
    • Sound Power calculation (iNAH)
    • Coherent averaging
    • Deconvolution – iterative beamforming technique
    • Separation of combustion and mechanical noise
    • SSL of rotating sound sources (e.g., fan blades)
    • SSL for Wind Tunnel Testing
  • Both the original HD Camera and newer Sound Camera arrays will be used.