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"The first model of synthesizer to feature VA (virtual acoustic) tone generation based on physical modeling, a complete departure from sampling and FM.
A VA tone generator creates sounds by simulating the physical mechanism by which wind, string and other instruments produce sound.
The virtual instruments simulate characteristics such as the shape and materials of music instruments, allowing the creation of tonal changes that respond to the breathing and playing methods used.
The VL1 was created with reed instruments and other wind instruments in mind, and thus is two-note polyphonic.
The Yamaha VL1-m is a pressure and velocity sensitive 3U rack (2 voice) Virtual Acoustic modelling synthesizer, featuring up to 2 elements, 3 effects processors, MIDI, disk drive, and 128 presets. Each element features a modelled instrument and associated controllers/modifiers. Element controllers include pressure (with preset ADSR envelope), embouchure/pitch (with IHD envelope), vibrato, tonguing, amplitude (with AADSR envelope shared with filter), scream, breath noise, growl, throat formant, dynamic filter (high, low, or band pass or band reject), harmonic enhancer (FM), damping, and absorption. Modifiers include extensive key scaling, 5 band parametric equalizer, Impulse Expander (delay), and resonator (parallel delays)."
