The goal of this chapter is to provide basic notions about digital audio processing technologies. These are applied in many everyday life products such as phones, radio and television, videogames, CD players, cellular phones, etc. However, although there is a wide spectrum of applications, the main problems to be addressed in order to manipulate digital sound are essentially three: acquisition, representation and storage. The acquisition is the process of converting the physical phenomenon we call sound into a form suitable for digital processing, the representation is the problem of extracting from the sound information necessary to perform a specific task, and the storage is the problem of reducing the number of bits necessary to encode the acoustic signals.
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(2008). Audio Acquisition, Representation and Storage. In: Machine Learning for Audio, Image and Video Analysis. Advanced Information and Knowledge Processing. Springer, London. https://doi.org/10.1007/978-1-84800-007-0_2
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