Subjective Audio Quality Testing, With Tasting and Car Driving as Parallel Tasks

Holub, Jan; Sula, Julia; Soares, Luísa; Slavata, Oldrich

doi:10.1109/access.2018.2873568

Cited by 1 publication

(3 citation statements)

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“…Nevertheless, only the second and fifth groups had non-overlapping confidence intervals, making it a statistical relevance result. In agreement with [14], the high and medium-quality video subjective perception was not substantially interfered by the second task, while the low-quality scores showed an improvement during multitasking. This can have two explanations.…”

Section: Rmse Analysissupporting

confidence: 84%

“…A parallel task is an activity that must be performed simultaneously with the test, and it must be designed to simulate a scenario closer to the real in the controlled environment of the laboratory. Parallel tasks can be divided into mentally oriented tasks, physically oriented tasks, and hybrid tasks [13], [14].…”

Section: Parallel Taskmentioning

confidence: 99%

“…Hybrid oriented tasks are activities that require the subjects to perform both physical and mental activities. e.g., driving a car [14], shooting in a laser shooting simulator [15], and also some psycho motors tasks as tasting activities [14].…”

Section: Hybrid Tasksmentioning

confidence: 99%

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Subjective Video QoE With a Hybrid Cognitive-Motor Task

2021

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This paper reports on the subjective video quality analysis with and without a parallel task. It aims to understand how the quality perceived by the human observer brain is affected when the subject is not entirely focused to the judgement task. For this purpose, two subjective video quality tests were performed according to the ITU-T P.910 recommendation -Subjective video quality assessment methods for multimedia applications. They consisted of two parts involving a total of 24 subjects. Unlike the first test, the second test included an additional (parallel) psychomotor task where subjects had to sort different colors of pasta into three bowls. Various analyses were provided, including preliminary analysis, group analysis, and RMSE analysis. Surprisingly, the results show that not all the spectrum of quality is affected equally by parallel task introduction.

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Section: Rmse Analysissupporting

confidence: 84%

Section: Parallel Taskmentioning

confidence: 99%