在评定质量时,是否充分考虑受试者的知识和专业程度?

M. Quintero, A. Raake
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引用次数: 8

摘要

本文给出了宽带(WB, 500-7000 Hz)和窄带(NB;300-3400赫兹)编解码器,用于新的基于宽带的,所谓的“高清”(高清语音)电话服务。除了无差错编码,实验还评估了丢包和外部噪声的影响。与语音质量研究典型的“专家与非专家的区分”不同,根据人口统计特征、他们对采用新技术的态度和社会经济信息,将用户分为六个群体。通过这个实验,我们想要展示用户先验知识水平之外的因素如何影响他们对质量的感知。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Is taking into account the subjects degree of knowledge and expertise enough when rating quality?
This paper provides the results of a speech quality listening test on Wideband (WB, 500-7000 Hz) and narrowband (NB; 300-3400 Hz) codecs for new wideband-based, so-called “high-definition” (HD Voice) telephony services. Aside of error-free coding, the experiment also evaluated the effects of packet loss and external noise. Unlike “expert vs non-expert differentiation” typical of speech quality research, users are classified into six groups according to demographic characteristics, their attitude towards adopting new technologies and socio-economic information. With this experiment, we want to present how factors beyond the level of prior knowledge of the users affect their perception of quality.
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