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Formant location from LPC analysis data

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2 Author(s)
Snell, R.C. ; Dept. of Math., R. Roads Mil. Coll., Victoria, BC, Canada ; Milinazzo, F.

The estimation of formant frequencies and bandwidths from the filter coefficients obtained through linear-predictive-coding (LPC) analysis of speech is discussed from several viewpoints. A method for locating roots within the unit circle is derived. This algorithm is particularly well suited to computations carried out in fixed-point arithmetic using specialized signal processing hardware

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Speech and Audio Processing, IEEE Transactions on  (Volume:1 ,  Issue: 2 )