Audio packet loss concealment using spectral motion

Conference paper


Pedram, S., Vaseghi, S. and Langari, B. 2014. Audio packet loss concealment using spectral motion. 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). Florence, Italy 04 - 09 May 2014 IEEE. pp. 6707-6710 https://doi.org/10.1109/ICASSP.2014.6854898
TypeConference paper
TitleAudio packet loss concealment using spectral motion
AuthorsPedram, S., Vaseghi, S. and Langari, B.
Abstract

This paper presents a packet loss concealment (PLC) method with applications to VoIP, audio broadcast and streaming. The problem of modeling of time-varying frequency spectrum in the context of PLC is addressed and a novel solution is proposed for tracking and using the temporal motion of spectral flow. The proposed PLC utilizes a time-frequency motion (TFM) matrix representation of the audio signal where each frequency is tagged with a motion vector estimate. The spectral motion vectors are estimated by cross-correlating the movement of spectral energy within subbands across time frames. The missing packets are estimated in TFM domain and inverse transformed to the time-domain. The proposed method is compared with conventional approaches using objective performance evaluation of speech quality (PESQ), and subjective mean opinion scores (MOS) in a range of packet loss from 5% to 20%. The results demonstrate that the proposed algorithm improves performance.

Sustainable Development Goals9 Industry, innovation and infrastructure
Middlesex University ThemeCreativity, Culture & Enterprise
Conference2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Page range6707-6710
Proceedings Title2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
ISSN1520-6149
Electronic2379-190X
ISBN
Electronic9781479928934
PublisherIEEE
Publication dates
Online14 Jul 2014
Publication process dates
Completed04 May 2014
Deposited08 Jul 2024
Output statusPublished
Digital Object Identifier (DOI)https://doi.org/10.1109/ICASSP.2014.6854898
Web address (URL) of conference proceedingshttp://doi.org/10.1109/ICASSP18874.2014
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