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CT-DNR Digital Noise Reduction
For use in Vehicles, Hand-Microphons or Headsets

DNR = Digital Noise Reduction

CT-DNR, Technology for the digital suppression
of surrounding noise

  • a digital speech processor (DSP) is able to distinguish between human voice and surrounding noise
  • Noise is filtered out digitally – only pure speech is transmitted
  • Areas of application: every where there is too much noise for traditional radio transmission