WARPED LINEAR PREDICTIONt

http://ieeexplore.ieee.org/iel6/8369/26351/01171240.pdf

A fast method is described for generating a periodic discrete‐time signal with harmonics of equal amplitude and a fundamental frequency which is not necessarily an integral fraction of the sampling frequency (as with ordinary pulse generators) Such a signal can be used as input to digital filters for the synthesis of speech and music

Input Generators for Digital Sound Synthesis

A note on variable recursive digital filters

Electronic Music Synthesis

An algorithm is proposed for extracting the pitch of voiced speech. The method is based on approximating a given segment of the speech waveform in a least-squares sense by a finite Fourier series. In the approximation the fundamental frequency of the Fourier series, as well as its coefficients, is considered variable.

WARPED LINEAR PREDICTIONt

References

Input Generators for Digital Sound Synthesis

A note on variable recursive digital filters

Electronic Music Synthesis

Pitch extraction by trigonometric curve fitting

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