How to obtain cepstrum coefficients?(a) Cepstrum coefficients are obtained by taking Fourier transform of the spectrum(b) Cepstrum coefficients are obtained by taking Fourier transform of decibel spectrum(c) Cepstrum coefficients are obtained by taking Laplace transform of decibel spectrum(d) Cepstrum coefficients are obtained by taking Laplace transform of the spectrumI have been asked this question in final exam.Question is from Next Generation Wireless Network in portion Next Generation Wireless Network of Cognitive Radio

How to obtain cepstrum coefficients?(a) Cepstrum coefficients are obta

1.	How to obtain cepstrum coefficients?(a) Cepstrum coefficients are obtained by taking Fourier transform of the spectrum(b) Cepstrum coefficients are obtained by taking Fourier transform of decibel spectrum(c) Cepstrum coefficients are obtained by taking Laplace transform of decibel spectrum(d) Cepstrum coefficients are obtained by taking Laplace transform of the spectrumI have been asked this question in final exam.Question is from Next Generation Wireless Network in portion Next Generation Wireless Network of Cognitive Radio
Answer» Right answer is (b) CEPSTRUM coefficients are OBTAINED by taking Fourier transform of DECIBEL spectrum Easy explanation: Cepstrum coefficients are features employed in speech SIGNAL processing. It is obtained from the spectrum of a speech signal. Cepstrum coefficients are obtained by taking the Laplace transform of the decibel spectrum. Shifted delta cepstrum coefficients measure the changes in the speech spectrum over multiple frames of spectrum to model language CHARACTERISTICS.

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