Abstract
Audiovisual communication has expanded rapidly over the last years on computers and mobile devices. This chapter discusses the key aspects of Quality of Experience of the audiovisual communication. We will give an introduction to audiovisual communication and explain technical elements and perceptual features which relate to the Quality of Experience. Main subjective and instrumental quality assessment methods will be presented. Finally, we specifically discuss a few key aspects impacting quality, namely, time-varying quality perception, audiovisual quality integration as well as the impact of overall delay and audiovisual synchrony, and give an outlook for future work.
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Notes
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The channel usage refers to the extent to which subjects utilize a channel to transmit information relevant to carry out scenario-related tasks.
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The 11-point ACR scale has end-points which are verbally defined as anchoring points.
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This means that a loudspeaker of a device reproduces the sound from the other participant without a necessity to keep the device at the ear.
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Vaalgamaa, M., Belmudez, B. (2014). Audiovisual Communication. In: Möller, S., Raake, A. (eds) Quality of Experience. T-Labs Series in Telecommunication Services. Springer, Cham. https://doi.org/10.1007/978-3-319-02681-7_14
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