Digital signal processor: Tone detection for CCITT no. 5 transceiver

  • R. N. Gadenz
  • Published 1981 in The Bell System Technical Journal


This paper describes the application of a recently developed large-scale-integration digital signal processor, the DSP, to tone detection in a proposed digital CCITT No. 5 signaling unit. The design of the digital filters required in the receiver is discussed and an algorithm presented for tone detection. Two channels per DSP can be accommodated by using a… (More)


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