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Virtual Height Speaker Rendering for Samsung 10.2-Channel Vertical Surround System
This paper proposes the virtual sound elevation rendering algorithm which can give a listener an impression of virtual 10.2 channel loudspeakers. The proposed algorithm requires 10.2 channel input signals and the conventional 7.1 channel loudspeaker system (ITU-R BS.775-2). The proposed virtual height speaker rendering consists of generic head-related transfer function (HRTF) which is calculated using 46 individualized HRTFs of CIPIC datasets, and a mixing algorithm using four loudspeakers among 7.1 channels. For subject evaluation, three kinds of playbacks are compared with various materials; Original 10.2 channel signal, down-mixed 7.1 channel signal, and the proposed 7.1 channel signal in terms of source positioning, envelopment, and overall sound quality.
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