Synonyms
Speech parametrization
Definition
The analysis of speech signals can be defined as the process of extracting relevant information from the speech signal (i.e., from a recording). This process is mainly based on the speech production mechanism, whose study involves multiple disciplines from linguistics and articulatory phonetics to signal processing and source coding. In this article, a short overview is given about how the speech signal is produced and typical models of the speech production system, focusing on the different sources of individuality that will be present in the final uttered speech. In this way, the speaker who produced the speech with those individual features is then recognizable both for humans and for machines.
Although speech production is felt by humans as a very natural and simple mechanism, it is a very complex process that involves the coordinated participation of several physiological structures that evolution has developed over the years. For a...