For each voicing period, the glottal flow derivative is computed with two cascaded linear filters: the glottal formant filter represents the main source-related spectral peak, and the spectral tilt filter represents high-frequency voice variation.
There is the narrative voice, and within it, the voices: variations and modulations of speech are central to the representation of character.
Powers voices variations on a Philip K Dick theme: "To train our circus animal in Faulkner or Thomas Gray, we would first have to exhilarate it with the terror of words.
Voice, resonance, and articulation variations clarify speech content.
I had tested snippets and variations at festivals around the UK, but the piece really found its voice when performed by a whole choir in Bristol.
Gestures for vocal efforts and voice quality variations are also intuitively produced by the player.
More recently, the normalized amplitude quotient (NAQ) has been demonstrated to be strongly correlated with voice quality variations and robust to noise and estimation errors [28, 37, 40].
It is identifiable by its bass line: a constantly repeating, often downward-plunging figure, over which higher instruments and voices play variations.
Where Mr. Altman's masterpiece portrayed American culture as a jostling, twangy carnival of honky-tonk dreams, "Traffic" is a sprawling multicultural jazz symphony of clashing voices sounding variations of the same nagging discontent.
The graphic tablet has been proposed for approximately a decade [10, 14, 15] for controlling intonation and voice source variation.
