Florian Hinterleitner, C. Norrenbrock, S. Möller, U. Heute
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引用次数: 14
Abstract
This paper presents research on perceptual quality dimensions of synthetic speech. We generated 57 stimuli from 16/19 female/male German text-to-speech systems (TTS) and asked listeners to judge the perceptual distances between them in a sorting task. Through a subsequent multidimensional scaling algorithm, we extracted three dimensions. Via expert listening and a comparison to ratings gathered on 16 attribute scales, the three dimensions can be assigned to naturalness of voice, temporal distortions and calmness. These dimensions are discussed in detail and compared to the perceptual quality dimensions from previous multidimensional analyses. Moreover, the results are analyzed depending on the type of TTS system. The identified dimensions will be used in the future to build a dimension-based quality predictor for synthetic speech.
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