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Statistical Analysis of Subjective Assessment Tests of 3D Audio on Mobile Phones

With the increasing use of mobile phones and other handheld electronic devices for surfing the internet and streaming audio and video clips, it was inevitable that technologies like 3D Audio would eventually be implemented such devices. It is important to know if 3D Audio offers any improvement in perceived audio quality over existing stereo and mono formats. It is also important to know what kind of factors have a larger effect in the rated perceived audio quality of such formats. This paper explores the results of an ANOVA analysis of two ITU standardized tests for the subjective assessment of 3D Audio. The results show that 3D Audio performs better than stereo mono formats in terms of basic audio quality.

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AES - Audio Engineering Society