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ViSQOLAudio: An objective audio quality metric for low bitrate codecs
Author(s) -
Andrew Hines,
Eoin Gillen,
Damien P. Kelly,
Jan Skoglund,
Anil Kokaram,
Naomi Harte
Publication year - 2015
Publication title -
the journal of the acoustical society of america
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.619
H-Index - 187
eISSN - 1520-8524
pISSN - 0001-4966
DOI - 10.1121/1.4921674
Subject(s) - codec , computer science , constant bitrate , sound quality , metric (unit) , quality (philosophy) , speech recognition , variable bitrate , multimedia , speech coding , bandwidth (computing) , wideband audio , audio signal , digital audio , quality of service , telecommunications , philosophy , operations management , epistemology , economics
Streaming services seek to optimise their use of bandwidth across audio and visual channels to maximise the quality of experience for users. This letter evaluates whether objective quality metrics can predict the audio quality for music encoded at low bitrates by comparing objective predictions with results from listener tests. Three objective metrics were benchmarked: PEAQ, POLQA, and VISQOLAudio. The results demonstrate objective metrics designed for speech quality assessment have a strong potential for quality assessment of low bitrate audio codecs.

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