Audio packet loss concealment using motion-compensated spectral extrapolation

Conference paper


Pedram, S., Vaseghi, S. and Langari, B. 2013. Audio packet loss concealment using motion-compensated spectral extrapolation. IEEE International Symposium on Signal Processing and Information Technology (ISSPIT). Athens, Greece 12 - 15 Dec 2013 IEEE. pp. 000434-000439 https://doi.org/10.1109/ISSPIT.2013.6781920
TypeConference paper
TitleAudio packet loss concealment using motion-compensated spectral extrapolation
AuthorsPedram, S., Vaseghi, S. and Langari, B.
Abstract

This paper presents a packet loss concealment (PLC) method with applications to VoIP, wideband 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 sub-bands across time frames. The missing packets are estimated in TFM domain and inverse transformed to the time-domain. In order to compare the proposed method with common approaches, objective performance evaluation of speech quality (PESQ), and subjective listening test in terms of MOS scores are conducted in a range of packet loss from 5% to 20%. The results demonstrate that the proposed algorithm improves performance compared to a number of benchmark methods including that of the ITU.

Sustainable Development Goals9 Industry, innovation and infrastructure
Middlesex University ThemeCreativity, Culture & Enterprise
ConferenceIEEE International Symposium on Signal Processing and Information Technology (ISSPIT)
Page range000434-000439
Proceedings TitleIEEE International Symposium on Signal Processing and Information Technology
ISSN2162-7843
ISBN
Electronic9781479947966
PublisherIEEE
Publication dates
Online03 Apr 2014
Publication process dates
Completed12 Dec 2013
Deposited08 Jul 2024
Output statusPublished
Publisher's version
File Access Level
Restricted
Digital Object Identifier (DOI)https://doi.org/10.1109/ISSPIT.2013.6781920
Web address (URL) of conference proceedingshttp://doi.org/10.1109/ISSPIT32844.2013
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