COMD 5070 Spectra - FFT, LPC Questions And Answers With 100% Correct Answers
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Module
COMD 5070 Spectra
Institution
COMD 5070 Spectra
What does FFT stand for? - fast Fourier transform
What does a FFT spectrum show us? - shows us the range of harmonics that are present in sound,
each peak shows a harmonic
What will FFT not show us very well? - formants
Is the FFT display useful for displaying features of the sound source or th...
What does a FFT spectrum show us? - shows us the range of harmonics that are present in sound,
each peak shows a harmonic
What will FFT not show us very well? - formants
Is the FFT display useful for displaying features of the sound source or the vocal tract filter? - the
sound source
What does the LPC show us? - spectral envelope
What are the two spectrum discussed in this class? - FFT and LPC
What are formants? - resonant energy peaks in the vocal tract transfer function
T or F: The LPC spectrum will show us what the vocal tract is doing - what its resonance frequencies are
relative to one another. - T
What does LPC stand for? - linear predictive coding
Does the vocal tract transfer function apply when sound is being phonated or whispered? - both
What do peaks on an FFT spectrum represent? - harmonic components
What do peaks of an LPC spectrum represent? - formants
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