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Tempelaars S. Signal Processing, Speech and Music

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Tempelaars S. Signal Processing, Speech and Music
Routledge, 1996. — 323 p.
This text offers a comprehensive introduction to the theory of signals and systems and the way in which this theory is applied to the study of acoustic communication (both digital and analogue): the development of systems for producing, transmitting and processing speech and music signals. The book is designed to make the reader acquainted with the refined and powerful theoretical and practical tools available for this purpose. The book teaches understanding of such concepts as amplitude and phase spectrum, impulse and frequency response, amplitude and frequency modulation, as well as such methods for the analysis and synthesis of speech and musical systems like LPC and wave shaping. The use of complex numbers is avoided and a knowledge of mathematics beyond that of secondary school level is not necessary.
Acoustical communication is possible thanks to the fact that we have an organ that is sensitive to pressure fluctuations in the medium (air) in which we live. A similar or analogous organ is to be found also in more primitive beings and here the function of this organ is clear: it warns the organism of danger and makes it aware of the presence of food etc. This is the primary function of our hearing organ. The sound signals here are irregular and often pulse-like (the breaking of a twig, the falling of a stone, the noise of water etc.). This fact is very important for a proper insight into the functioning of the ear. For perception experiments, for example, we should not restrict ourselves to regular stimuli such as sinusoidal vibrations. This holds especially for directional hearing because this ability is directly connected with the warning function of the hearing organ. Also the strong tendency people have to identify unknown sounds (for example electronically generated sounds) can be related to this function.
Acoustical Communication
The Harmonic Oscillator
Signal Functions in the Time and Frequency Domains
System Theory
Systems for Sound Signal Processing
Analysis and Synthesis Techniques
Acoustical Communication Revisited
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