The theory of sound-types

The theory of sound-types is a framework for sound analysis and synthesis designed to represent and manipulate signals at a quasi-symbolic level. The basic idea is to describe sounds by means of classes of equivalence and probabilities. Conceptually, the analysis is implemented with the following steps:
  1. atomize: divide a sound in small overlapping chunks called atoms (this can be done by windowing or by using more complex techniques such as atomic decomposition);
  2. make classes: compute a set of low-level features for each atom and project it onto a feature-space; apply any kind of clustering algorithm (such as GMM) to find the principal c lusters of atoms in the space;
  3. compute probabilities: apply any kind of sequential analysis (such as HMM) to estimate the probabilities that a cluster is followed by another cluster in the original signal.
For more information please see the related papers.
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