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Algorithms for computing the time-corrected instantaneous frequency (reassigned) spectrogram, with applications
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10.1121/1.2133000
/content/asa/journal/jasa/119/1/10.1121/1.2133000
http://aip.metastore.ingenta.com/content/asa/journal/jasa/119/1/10.1121/1.2133000
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Vocal cord pulsations during a creaky voiced production of the vowel [e], “day,” wave form and conventional spectrogram shown.

Image of FIG. 2.
FIG. 2.

Conventional spectrogram of a single vocal cord pulsation from the vowel [e]. Computed using windows and frame advance.

Image of FIG. 3.
FIG. 3.

Time-corrected instantaneous frequency spectrogram computed with finite difference approximations.

Image of FIG. 4.
FIG. 4.

Time-corrected instantaneous frequency spectrogram computed with the Auger-Flandrin equations.

Image of FIG. 5.
FIG. 5.

Time-corrected instantaneous frequency spectrogram of one glottal pulsation from the vowel [e] pronounced with stiff modal phonation. Computed using the Nelson method with windows and frame advance.

Image of FIG. 6.
FIG. 6.

Time-corrected instantaneous frequency spectrogram of one glottal pulsation from the vowel [e] pronounced with breathy phonation. Computed using the Nelson method with windows and frame advance.

Image of FIG. 7.
FIG. 7.

Time-corrected instantaneous frequency spectrogram of a song segment produced by a Humpback whale. Computed using the Nelson method with windows and frame advance.

Image of FIG. 8.
FIG. 8.

Conventional spectrogram of acoustic bass pluck, computed using a Kaiser window of 1901 samples at with a shaping parameter to achieve of sidelobe rejection.

Image of FIG. 9.
FIG. 9.

TCIF spectrogram of acoustic bass pluck, computed with the same window parameters as Fig. 8 .

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/content/asa/journal/jasa/119/1/10.1121/1.2133000
2006-01-01
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Algorithms for computing the time-corrected instantaneous frequency (reassigned) spectrogram, with applications
http://aip.metastore.ingenta.com/content/asa/journal/jasa/119/1/10.1121/1.2133000
10.1121/1.2133000
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