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Radio relay device

  • US 20050136956A1
  • Filed: 12/23/2003
  • Published: 06/23/2005
  • Est. Priority Date: 12/23/2003
  • Status: Abandoned Application
First Claim
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1. A radio relay device, comprising:

  • a radio section for transmitting/receiving ADPCM-coded digital radio signals;

    a demodulation section for demodulating the digital radio signals received by said radio section and acquiring ADPCM codes;

    a voice quality improvement circuit for removing the clicking noises included in the ADPCM codes demodulated by said demodulation section; and

    a modulation section for modulating said ADPCM codes after clicking noises are removed by said voice quality improvement circuit, and supplying the modulation signals to said radio section.

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