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Erschienen in:
From “Harmonic Telegraph” to Cellular Phones Kapitel lesen Erstes Kapitel lesen

2015 | OriginalPaper | Buchkapitel

3. Scalable and Multi-Rate Speech Coding for Voice-over-Internet Protocol (VoIP) Networks

verfasst von : Tokunbo Ogunfunmi, Koji Seto

Erschienen in: Speech and Audio Processing for Coding, Enhancement and Recognition

Verlag: Springer New York

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Abstract

Communication by speech is still a very popular and effective means of transmitting information from one person to another. Speech signals form the basic method of human communication. The information communicated in this case is verbal or auditory information. The methods used for speech coding are very extensive and continuously evolving.
Speech Coding can be defined as the means by which the information-bearing speech signal is coded to remove redundancy thereby reducing transmission bandwidth requirements, improving storage efficiency, and making possible myriad other applications that rely on speech coding techniques.
The medium of speech transmission has also been changing over the years. Currently a large percentage of speech is communicated over channels using internet protocols. The voice-over-internet protocols (VoIP) channels present some challenges that have to be overcome in order to enable error-free, robust speech communication.
There are several advantages to use bit-streams that are multi-rate and scalable for time-varying VoIP channels. In this chapter, we present the methods for scalable, multi-rate speech coding for VoIP channels.

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Vorheriges Kapitel Challenges in Speech Coding Research
Nächstes Kapitel Recent Speech Coding Technologies and Standards
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Metadaten
Titel
Scalable and Multi-Rate Speech Coding for Voice-over-Internet Protocol (VoIP) Networks
verfasst von
Tokunbo Ogunfunmi
Koji Seto
Copyright-Jahr
2015
Verlag
Springer New York
Buch
Speech and Audio Processing for Coding, Enhancement and Recognition

Print ISBN: 978-1-4939-1455-5

Electronic ISBN: 978-1-4939-1456-2

Copyright-Jahr: 2015

DOI
https://doi.org/10.1007/978-1-4939-1456-2_3

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