How clarinettists articulate : the effect of blowing pressure and tonguing on initial and final transients

Weicong Li, Andre Almeida, John Smith, Joe Wolfe

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Articulation, including initial and final note transients, is important to tasteful music performance. Clarinettists' tongue-reed contact, the time variation of the blowing pressure P ¯mouth, the mouthpiece pressure, the pressure in the instrument bore, and the radiated sound were measured for normal articulation, accents, sforzando, staccato, and for minimal attack, i.e., notes started very softly. All attacks include a phase when the amplitude of the fundamental increases exponentially, with rates r ∼1000 dB s-1 controlled by varying both the rate of increase in P ¯mouth and the timing of tongue release during this increase. Accented and sforzando notes have shorter attacks (r∼1300 dB s-1) than normal notes. P ¯mouth reaches a higher peak value for accented and sforzando notes, followed by a steady decrease for accented notes or a rapid fall to a lower, nearly steady value for sforzando notes. Staccato notes are usually terminated by tongue contact, producing an exponential decrease in sound pressure with rates similar to those calculated from the bandwidths of the bore resonances: ∼400 dB s-1. In all other cases, notes are stopped by decreasing P ¯mouth. Notes played with different dynamics are qualitatively similar, but louder notes have larger P ¯mouth and larger r.
Original languageEnglish
Pages (from-to)825-838
Number of pages14
JournalJournal of the Acoustical Society of America
Volume139
Issue number2
DOIs
Publication statusPublished - 2016

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