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Truck acoustic data analyzer system

  • US 20060037400A1
  • Filed: 08/19/2004
  • Published: 02/23/2006
  • Est. Priority Date: 08/19/2004
  • Status: Active Grant
First Claim
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1. A passive turbocharged vehicle acoustic data analyzer system comprising:

  • at least two microphones disposed in the acoustic field of a moving vehicle, a computer in electronic communication with said at least two microphones wherein said computer detects and measures the frequency shift in the acoustic signature emitted by said vehicle as it approaches and passes said at least two microphones, wherein said acoustic signature is filtered and processed to determine an engine speed component and a turbocharger speed component for estimating said moving vehicle characteristics.

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