A History of Cepstrum Analysis and its Application to Mechanical
Typical examples were conversion of multiplication into addition by the log operation and conversion of convolution by first applying the Fourier transform (to
A Discrete-cepstrum Based Spectrum-envelope Estimation Scheme
Estimation Scheme and Its Example Application of. Voice Transformation Approximating a spectral envelope via regularized discrete cepstrum coefficients.
Application Notes - Gearbox Analysis using Cepstrum Analysis and
Gearbox Analysis using Cepstrum Analysis and Comb Liftering The power cepstrum is defined as the ... cations: for example echo detection and.
Cepstrum Analysis and Gearbox Fault Diagnosis
example families of harmonics with uniform spacing. The logarithmic amplitude scale emphasizes the har monic structure of the spectrum and reduces the influence
Cepstrum Analysis and Gearbox Fault Diagnosis
then the frequency spacing of the samples =—s. Hz. Rs. ?. Fig. 4 (a) Gear arrangement and frequencies. (b) Cepstrum obtained by Method 1
2. Cepstrum alanysis of speech signals 3. Vector space
For example: x[n] = x. 1. [n]+w[n] where n is index of time. x. 1. [n] is the useful signal and w [n] high frequency noise. lin. operator I [.]
Discrete Cepstrum Coefficients as Perceptual Features
In the case of speech recognition for example a filter bank is applied of which the center frequency of each bank is scaled according to the Mel scale.
Cepstrum analysis of pathologic voices
the Cepstrum of the original acoustic speech waveform and the lower tracing shows the. Cepstrum of residue signal for the same voice sample.
Application of Fractional Fourier Transform in Cepstrum Analysis
FRFT and applied it to cepstral analysis. We term this combination the Fractional-Cepstrum (FC). We derive the real FC formulation and give an example
Computation of the complex cepstrum by factorization of the z
Tribolet's algorithm on example analyses of synthetic and natural speech signals. II. Details of Complex Cepstrum Computa-. tion by Factorization.
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