Proceedings Article10.1109/ICME.2001.1237658
A beat-pattern based error concealment scheme for music delivery with burst packet loss
Ye Wang
- 22 Aug 2001
- pp 72-75
36
TL;DR: A novel error concealment scheme is presented, which exploits the beat and rhythmic pattern of music signals and can be adopted to essentially all existing perceptual audio decoders such as an MP3 decoder for streaming music.
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Abstract: Error concealment is an important method to mitigate the degradation of the audio quality when compressed audio packets are lost in error prone channels, such as mobile Internet and digital audio broadcasting. This paper presents a novel error concealment scheme, which exploits the beat and rhythmic pattern of music signals. Preliminary simulations show significantly improved subjective sound quality in comparison with conventional methods in the case of burst packet losses. The new scheme is proposed as a complement to prior arts. It can be adopted to essentially all existing perceptual audio decoders such as an MP3 decoder for streaming music.
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TL;DR: It is shown using measurements over the Internet as well as analytic modeling that the number of consecutively lost audio packets is small unless the network load is very high, which indicates that open loop error control mechanisms based on forward error correction would be adequate to reconstruct most lostaudio packets.
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A new error concealment technique for audio transmission with packet loss
Alexander Stenger,Khaled Ben Younes,Richard Reng,Bernd Girod +3 more
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TL;DR: Mean Opinion Score (MOS) curves show that sound distortions due to packet repetition can be reduced and a new error concealment technique is presented, which modifies the time-scale of correctly received packets instead of repeating them.
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•Journal Article
Evaluation of Concealment Techniques for Compressed Digital Audio
Jürgen Herre,Ernst Eberlein +1 more
13