speech spectrum

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Noun1.speech spectrum - the average sound spectrum for the human voice
acoustic spectrum, sound spectrum - the distribution of energy as a function of frequency for a particular sound source
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References in periodicals archive ?
Formant refers to the areas where energies are concentrated in the speech spectrum and it reflects the physical characteristics of the resonant cavity.
It combines the characteristics of spectrograms and time-domain waveforms to clearly show how the speech spectrum changes over time or is a dynamic spectrum.