منابع مشابه
Comparison of Real Trumpet Playing , Latex Model ofLips
For several years, we have been developing and studying computer-simulated models of brass instruments including the player's lips. We demonstrate here such a physical model. It is played in real-time with MIDI events. We present recent developments concerning both physical functioning and real-time controls. They result in great improvements of sound quality and musical expressivity. To better...
متن کاملSimultaneous Measurements of Pressure, Flow and Sound during Trumpet Playing
Sound production during trumpet playing implies the interaction between the performer and his instrument which requires the coordination between physiological and physical parameters under the performer's direct control. For brass instruments, some of the main issues rely on the estimation of specific parameters such as mouth pressure, lip mechanical properties and driving volume flow. A few st...
متن کاملBlowing pressure, power, and spectrum in trumpet playing.
Measurements of sound output as a function of blowing pressure are reported for a group of experienced trumpet players. The study identifies several common features, namely (1) a threshold blowing pressure approximately proportional to the frequency of the note being played, (2) an extended region in which the sound output rises by about 15 dB for each doubling of blowing pressure, and (3) a sa...
متن کاملWave separation in the trumpet under playing conditions and comparison with time domain finite difference simulation.
Wave separation within a trumpet is presented using three high pressure microphones to measure pressure waves within the curved, constant cross-section tuning slide of the instrument while the instrument was being played by a virtuoso trumpet player. A closer inter-microphone spacing was possible in comparison to previous work through the use of time domain windowing on non-causal transfer func...
متن کاملCirculatory effects of salicylates.
Sodinin salieylate consistently produces a prompt increase in heart contractile force when injected in anesthetized dogs in doses of 100 mg./Kg. intravenously. The increase in force is about 30 per cent and declines to control levels in 15 to 20 niin. This effect is not considered of important therapeutic significance. Total doses of about 400 mg./Kg. consistently produce marked hyperpyrexia wh...
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ژورنال
عنوان ژورنال: BMJ
سال: 1959
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.5123.685