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In this paper the methods for estimating the parameters of two closely spaced tones in frequency are presented. They are iterative procedures posed as an optimization problem. Both first and second order methods in combination with the corresponding tone estimation techniques are treated in order to circumvent the problem of interharmonic interference. It is shown that the convergence can be achieved...
In this paper two aspects of the vibrato signal characterisation are presented. First, an analysis method, which breaks down the musical signal into its different partials, and decomposes them into two separate contributions: AM and FM. This allows an objective characterization of the vibrato according to musical parameters. Second, a procedure for vibrato synthesis is proposed, based on the previous...
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