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Acoustic Features for Environmental Sound Analysis


Most of the time it is nearly impossible to differentiate between particular type of sound events from a waveform only. Therefore, frequency domain and time-frequency domain representations have been used for years providing representations of the sound signals that are more inline with the human perception. However, these representations are usually too generic and often fail to describe specific content that is present in a sound recording. A lot of work have been devoted to design features that could allow extracting such specific information leading to a wide variety of hand-crafted features. During the past years, owing to the increasing availability of medium scale and large scale sound datasets, an alternative approach to feature extraction has become popular, the so-called feature learning. Finally, processing the amount of data that is at hand nowadays can quickly become overwhelming. It is therefore of paramount importance to be able to reduce the size of the dataset in the feature space. The general processing chain to convert an sound signal to a feature vector that can be efficiently exploited by a classifier and the relation to features used for speech and music processing are described is this chapter.
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hal-01575619 , version 1 (16-11-2017)



Romain Serizel, Victor Bisot, Slim Essid, Gael Richard. Acoustic Features for Environmental Sound Analysis. Tuomas Virtanen; Mark D. Plumbley; Dan Ellis. Computational Analysis of Sound Scenes and Events, Springer International Publishing AG, pp.71-101, 2017, 978-3-319-63449-4. ⟨10.1007/978-3-319-63450-0_4⟩. ⟨hal-01575619⟩
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