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Hello friends, I wanted to know that what is the ratio of second harmonic energy to the fundamental frequency energy in the speech signal. Actually i am implementing a DTMF detector and to discriminate the DTMF signal from the speech i have to put this check. thanking you, manoj |
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Second Harmincs in speech signal
Started by ●July 23, 2002
Reply by ●July 24, 20022002-07-24
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refer to Vishwanathan, Telecommunications and switching network, for the details --- manoj garg <> wrote: > Hello friends, > > I wanted to know that what is the ratio of second > harmonic energy to the fundamental frequency energy > in > the speech signal. Actually i am implementing a DTMF > detector and to discriminate the DTMF signal from > the > speech i have to put this check. > > thanking you, > manoj > |
