TAILIEUCHUNG - Quality of Telephone-Based Spoken Dialogue Systems phần 7

Suy thoái này là có ý nghĩa thống kê chỉ dành cho giọng nói tự nhiên 1, cho tất cả các tiếng nói khác, chất lượng tổng thể bắt đầu suy giảm đáng kể ở các cấp độ tiếng ồn băng hẹp cao hơn so với -60 dBm0p. Nghe-nỗ lực và intelligibility (INT) xếp hạng tương tự như những người có được điều kiện tiếng ồn mạch băng rộng. | 270 all relate to the system s output voice dimensions intelligibility friendliness and voice naturalness . The friendliness of the system thus seems to be highly related to its voice. The final dimension clarity of information does not form a cluster with any of the other questions. These clusters can now be interpreted in the QoS taxonomy. The personal impression cluster is mainly related to comfort the pleasantness question B24 to user satisfaction as well. Cluster 2 dialogue smoothness B19 and B21 forms one aspect of communication efficiency. The global quality aspects covered by questions B0 and B23 Cluster 3 mainly relate to user satisfaction. The strong influence of the perceived system understanding question B5 on this dimension has already been noted. This question is however located in the speech input output quality category of the QoS taxonomy. Cluster 4 is related to system behavior B9 B10 and B11 and can be attributed to dialogue cooperativity question B10 also to dialogue symmetry. The questions addressing interaction flexibility B13 and B14 belong to the dialogue symmetry category. Naturalness B12 and B18 is once again related to both dialogue cooperativity and dialogue symmetry. These two categories cannot be clearly separated with respect to the user questions. Questions B15 B17 and B20 all reflect communication efficiency. Cluster 8 related to informativeness B1 B2 and B4 is attributed to the dialogue cooperativity category. This is not true for Cluster 9 B6 and B8 Whereas B8 is part of dialogue cooperativity B6 fits best to the comfort category. Cluster 10 B7 B16 and B22 is mainly related to the speech output quality category. However question B16 also reflects the agent personality aspect and thus the comfort category. The stand-alone question B3 is part of the dialogue cooperativity category. A similar analysis can be used for the judgments on the part C questions of experiment namely questions C1 to C18 the rest of the questions have .

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