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Erschienen in:
2017 | OriginalPaper | Buchkapitel
1. Introduction
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Abstract
The objective of speech coding technologies is primarily to enable spoken communication between geographically separated people and also, to allow storage of speech signals. The performance of such technologies can be measured by both the perceived quality of the communication experience as well as the amount of resources required. For efficient performance, speech codecs are based on two types of modelling techniques applied in parallel: (1) they model the signal source by a model of speech production and (2) for optimisation of quality, they apply a perceptual model. These models include also entropy coding to remove statistical redundancy.