Quality aspects of audio communication

Detta är en avhandling från Kista : Mikroelektronik och informationsteknik

Författare: Ian Marsh; Kth.; [2003]

Nyckelord: NATURVETENSKAP; NATURAL SCIENCES;

Sammanfattning: The Internet is increasingly being used to carry real-time voice traffic. Users of real-time voice services are sensitive to variable audio quality. The quality of packet audio is largely determined by the mouth-to-ear delay and the packet loss. The contribution of this thesis is to provide techniques to improve the packet audio quality: dimensioning links specifically for packet voice communication, modelling the packet audio arrival process at a receiver, measuring connectivity quality in wide area networks, and reducing delays in end systems.

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