ࡱ >
\ p None B a = c @ = Z ?N*8 X" 1 Arial1 Arial1 Arial1 Arial1 Arial1 Arial1 Arial General ` Table 1 $ # Parameters Explanation Frequency related Fundamental frequency (F0)S the logarithmic fundamental frequency, F0, on a semitone scale starting at 27.5 Hz.
Pitch (PT) Jittera deviations in individual consecutive F0 period lengths the center frequency of the first formant. F r e q u e n c y f o r m a n t 1 ) the center frequency of the first formant F r e q u e n c y f o r m a n t 2 * the center frequency of the second formant F r e q u e n c y f o r m a n t 3 ) the center frequency of the third formant) Energy/Amplitude/Intensity related Shimmer; difference of the peak amplitudes of consecutive F0 periods LoudnessG an estimate of the perceived signal intensity from an auditory spectrum Harmonics-to-noise ratioL relation of energy in harmonic components to energy in noise-like components, Spectral (balance)-related components Alpha ratio3 r a t i o o f t h e s u m m e d e n e r g y f r o m 5 0 1 0 0 0 a n d 1 5 k H z Hammarberg indexk r a t i o o f t h e s t r o n g e s t e n e r g y p e a k i n t h e 0 2 k H z r e g i o n t o t h e s t r o n g e s t e n e r g y p e a k i n t h e 2 5 k H Z r e g i o n S p e c t r a l s l o p e 0 5 0 0 H z O linear regression slope of the logarithmic power spectrum within the given band S p e c t r a l s l o p e 5 0 0 1 5 0 0 H z R e l a t i v e e n e r g y f o r m a n t 1 t h e r e l a t i v e e n e r g y o f t h e f i r s t f o r m a n t a n d t h e r a t i o o f t h e e n e r g y o f t h e s p e c t r a l h a r m o n i c p e a k a t t h e f i r s t f o r m a n t s c e n t e r f r e q u e n c y t o t h e e n e r g y o f t h e s p e c t r a l p e a k a t t h e f u n d a m e n t a l f r e q u e n c y R e l a t i v e e n e r g y f o r m a n t 2 T h e r e l a t i v e e n e r g y o f t h e s e c o n d f o r m a n t a n d t h e r a t i o o f t h e e n e r g y o f t h e s p e c t r a l h a r m o n i c p e a k a t t h e s e c o n d f o r m a n t s c e n t e r f r e q u e n c y t o t h e e n e r g y o f t h e s p e c t r a l p e a k a t t h e f u n d a m e n t a l f r e q u e n c y R e l a t i v e e n e r g y f o r m a n t 3 T h e r e l a t i v e e n e r g y o f t h e t h i r d f o r m a n t a n d t h e r a t i o o f t h e e n e r g y o f t h e s p e c t r a l h a r m o n i c p e a k a t t h e t h i r d f o r m a n t s c e n t e r f r e q u e n c y t o t h e e n e r g y o f t h e s p e c t r a l p e a k a t t h e f u n d a m e n t a l f r e q u e n c y
d MbP?_ % * + &P &F