Efficient decoding of digital DTMF and R2 tone signalization | Zendy

M. Popović | Zendy

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Efficient decoding of digital DTMF and R2 tone signalization

Author(s) -

M. Popović

Publication year - 2003

Publication title -

facta universitatis - series electronics and energetics

Language(s) - English

Resource type - Journals

eISSN - 2217-5997

pISSN - 0353-3670

DOI - 10.2298/fuee0303389p

Subject(s) - decoding methods , tone (literature) , computer science , computer hardware , speech recognition , algorithm , art , literature

In this paper the implementation aspects of decoding digital DTMF and R2 signalization tones are analyzed. First, a short review of specifications for DTMF and R2 signalization proposed by ITU-T is made, following by short review of decoding techniques applied in practice. Finally, a new computationally efficient method is proposed and experimentally verified. This method has distinct advantages in multichannel decoding systems and permits decoding in both signaling systems.

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