Survey on Application-Layer Mechanisms for Speech Quality Adaptation in VoIP

VoIP calls are sensitive to several impairments, such as delay and packet loss. One way to overcome these problems is by adaptively adjusting application-layer parameters to keep a minimum speech quality level. At the heart of self-adaptive systems lies a feedback loop , which consists of four key a...

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Veröffentlicht in:	ACM computing surveys 2013-06, Vol.45 (3), p.1-31
Hauptverfasser:	GALVAO DE CARVALHO, Leandro Silva, DE SOUZA MOTA, Edjair
Format:	Artikel
Sprache:	eng
Schlagworte:	Access methods and protocols, osi model Acoustic signal processing Acoustics Adaptation Applied sciences Computer science control theory systems Computer systems and distributed systems. User interface Exact sciences and technology Fundamental areas of phenomenology (including applications) Internet telephony Physics Software Software quality Studies Systems design Systems development Telecommunications Telecommunications and information theory Teleprocessing networks. Isdn Transduction acoustical devices for the generation and reproduction of sound
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