An Acoustic Model is a representation of a sound based on the understanding of the behaviour of sound in the discipline of acoustics (and more recently psychacoustics). This representation may be visual, or computer-based, and can be used for research (for example, in discovereing salient aspects of speech signals) or composition.
In a much looser sense it is a perceptually based investigation into a sound’s characteristics and behaviour could also involve an acoustic model (which may even subsequently appear as material in an electroacoustic composition).
See also:Schaefferian Theory, Spectralisme, Spectromorphology
Bibliography: Barrett, Natasha (2000b). A Compositional Methodology Based on Data Extracted from Natural Phenomena
Cuzzucoli, Giuseppe, Lombardo, Vincenzo (1999). A Physical Model of the Classical Guitar, Including the Player’s Touch
Essl, Georg, Serafin, Stefania, Cook, Perry R., Smith, Julius O. (2004). Theory of Banded Waveguides
Essl, Georg, Serafin, Stefania, Cook, Perry. R., Smith, Julius. O. (2004b). Musical Applications of Banded Waveguides
Karjalainen, Matti, Valimaki, Vesa (1998). Plucked-String Models: From the Karplus-Strong Algorithm to Digital Waveguides and Beyond
Kimura, Mari (1995). Performance Practice in Computer Music
Whalley, Ian (1999). Beyond Pitch/Duration Scoring: Towards A System Dynamics Model Of Electroacoustic Music