손실이후 프레임 정보에 의한 패킷손실은닉 알고리즘 개선

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In real time packetized voice application, missing packets are major source of voice quality degradation. Thus packet loss concealment (PLC) algorithms are needed to guarantee QoS of VoIP. In this paper, we describe packet loss concealment scheme utilizing the next good frame which follows loss packets. When this scheme is combined with other PLC algorithms, such as G.711 pitch waveform replication recommended by ITU-T LP based PLC algorithm, additional voice quality improvement is obtained for consecutive packet loss larger than 60 msec.
Publisher
한국음성학회
Issue Date
2002-06
Language
Korean
Citation

말소리와 음성과학, v.43, pp.101 - 112

ISSN
2005-8063
URI
http://hdl.handle.net/10203/15403
Appears in Collection
EE-Journal Papers(저널논문)
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