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Fig. 5 | Human-centric Computing and Information Sciences

Fig. 5

From: Using affective brain-computer interfaces to characterize human influential factors for speech quality-of-experience perception modelling

Fig. 5

Visual representation of the protocol used in the experimental phase for Dataset 2. The baseline period collected at the beginning and at the end of the test extended for 60 s. The pre-stimulus rest period lasted 15 s and the average length of the speech stimulus used was 20 s. The time allotted for rating the subjective dimensions varied per stimulus and was participant-dependent. The rest-stimulus-rating combination comprised an experimental block and a total of 44 blocks were used

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