User Guide/Spectrum Viewer/Method/Cepstrum Smoothing: Difference between revisions

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====Method: cepstrum smoothing====
{{V3}}
 
Computes the averaged cepstrum smoothed amplitude spectrum, via the inverse transform of the lowpass filtered cepstrum.
Computes the averaged cepstrum smoothed amplitude spectrum, via the inverse transform of the lowpass filtered cepstrum.


[[File:v3_method_ceptrum_smoothing.png]]
[[File:v3_method_ceptrum_smoothing.png]]


coefs.
;coefs.:Number of cepstrum coefficients which should be used to compute the smoothed spectrum. If this value is set to zero the number of cepstrum coefficients is set to: lfrm0.5 (with: lfrm = frame length in samples).
 
;offset:Amplitude offset to be added to the smoothed spectrum.
Number of cepstrum coefficients which should be used to compute the smoothed spectrum. If this value is set to zero the number of cepstrum coefficients is set to: lfrm0.5 (with: lfrm = frame length in samples).
;sp – cp (LOFAR):Compute and display the difference "spectrum – smoothed spectrum".
 
offset
 
Amplitude offset to be added to the smoothed spectrum.
 
sp – cp (LOFAR)
 
Compute and display the difference "spectrum – smoothed spectrum".

Latest revision as of 09:16, 12 October 2015

Computes the averaged cepstrum smoothed amplitude spectrum, via the inverse transform of the lowpass filtered cepstrum.

V3 method ceptrum smoothing.png

coefs.
Number of cepstrum coefficients which should be used to compute the smoothed spectrum. If this value is set to zero the number of cepstrum coefficients is set to: lfrm0.5 (with: lfrm = frame length in samples).
offset
Amplitude offset to be added to the smoothed spectrum.
sp – cp (LOFAR)
Compute and display the difference "spectrum – smoothed spectrum".

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