Cepstral Waterfall

Versione 1.4.0.0 (2,68 MB) da Speech Processing
This exercise introduces the concept of creating “Waterfall Plots” of frame-by-frame cepstrums.
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Aggiornato 31 mag 2015

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This MATLAB exercise introduces the concept of creating so-called “Waterfall Plots” of frame-by-frame cepstrums/log magnitude spectrums of a time-varying signal such as a speech waveform. Such plots enable tracking ofchanges in the cepstrum, especially during voiced regions, where we detect the changes in pitch period from a frameby-frame analysis of the speech signal. This program can also be used to provide a type of ’debug mode’ for displaying the signal, its log magnitude spectrum, and the resulting real cepstrum of a frame of speech with a user-selected starting sample and frame duration, on a frame-by-frame basis.

Cita come

Speech Processing (2024). Cepstral Waterfall (https://www.mathworks.com/matlabcentral/fileexchange/45421-cepstral-waterfall), MATLAB Central File Exchange. Recuperato .

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Creato con R2015a
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Versione Pubblicato Note della release
1.4.0.0

Updated to work with post-R2014b graphics
1.3.0.0

code updates; Read_Me.txt setup file; pathnew_matlab_central example
1.2.0.0

Changed spelling from Cpestral to cepstral.
1.1.0.0

Added a pdf to describe excercise in more detail
1.0.0.0