The most realistic and expressive solo strings instruments on the market, powered by SWAM-S Engine. Meet Audio Modeling, the. 10 Speakers at American Compensation Intl. Conference, 1999; Arizona Software Association Software Product of the Year, Intelligent Consensus®, 1998.

SWAM (Synchronous Waves Acoustic Modeling) a new-generation, sophisticated proprietary technology that enables musicians, performers and composers to overcome the classic limitations of traditional samplers. Aeg lavatherm 57700 service manual. Conceived by Stefano Lucato and developed in collaboration with Emanuele Parravicini, the SWAM engine combines concepts of Physical Modeling, Behavioral Modeling with the Multi-Vector/Phase-Synchronous Sampling technique.

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Perfect for multi-vector expressive acoustic instruments such as woodwinds, brass and bowed strings, the SWAM engine is currently declined in two different versions: SWAM-W, for modeling Woodwinds, and SWAM-S, for modeling Bowed Strings.

SWAM-S stands for Synchronous Waves Acoustic Modeling – Strings. Differently from SWAM, sound is generated by pure Physical Modeling, so there are no samples at all. We have performed an in-depth study of the Physical Modeling techniques, especially the Digital Waveguides Synthesis by prof. Using this technique, adding new elements and performing an unceasing fine-tuning, we have built the best modeled Bowed Strings virtual instruments on the market, allowing the real-time control of bow speed, bow pressure, bow position, vibrato, portamento, harmonics, tremolo, pizzicato, and many other parameters in a realistic way, almost indistinguishable from the real instrument. Bowed Strings The bow allows the player to continuously input energy and so to maintain a note. This affects the timbre, too: after a pluck, the high harmonics fade away quickly, leaving only the fundamental and some weak lower harmonics, while bowing maintains the rich harmonic spectrum. The action of the bow which drives the strings is a regular cycle of stick-slip-stick-slip.

This involves some interesting properties of friction, the force that makes things difficult to slide. The bow string interaction is important for another aspect. Over a limited range of pressure applied by the player, the cycle of stick and slip is governed by the standing wave in the string. When this happens the motion of the string is nearly exactly periodic, and it therefore makes a sound with an almost exactly harmonic spectrum. This means that any inharmonic effects of the string are reduced by bowing, which is not the case when the string is plucked. Helmholtz motion is the name given to the idealised motion of the string during stick and slip cycles.