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VoIP Receiver-Based Adaptive Playout Scheduling and Packet Loss Concealment Technique

Authors
Kim, Byeong HoonKim, Hyoung-GookJeong, JichaiKim, Jin Young
Issue Date
2월-2013
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
VoIP; Playout Scheduling; Loss Concealment; Jitter Estimation; Signal Classification
Citation
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, v.59, no.1, pp.250 - 258
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS
Volume
59
Number
1
Start Page
250
End Page
258
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/104144
DOI
10.1109/TCE.2013.6490267
ISSN
0098-3063
Abstract
This paper proposes a high performance playout scheduling and packet loss concealment algorithm at the receiver for enhancing Voice over Internet Protocol (VoIP) speech quality. In the proposed method, arriving packets are classified by an adaptive thresholding approach based on the analysis of multiple features of short signal segments. The excellent classification results are used in the playout scheduling and packet loss concealment. In adaptive playout, the buffering time is minimized by way of playing out normally or compressing each packet according to accurate network jitter estimation. Additionally, linear prediction-based packet loss concealment delivers high voice quality by alleviating the metallic artifacts due to concealing consecutive packet loss or recovering lost packets(1).
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