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Subjective Listening Tests about Front Images on Frontal Double Layered WFS System
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- Authors
- Jae-hyoun Yoo, Keunwoo Choi, Jeongil Seo, Kyeongok Kang, Hiroyuki Okubo
- Issue Date
- 2012-08
- Citation
- International Congress and Exposition on Noise Control Engineering (Inter-Noise) 2012, pp.1-12
- Language
- English
- Type
- Conference Paper
- Abstract
- For the next generation television such as 3DTV and UHDTV (Ultra High Definition TeleVision), audio also should be realistically represented corresponding to realistic 3D video or ultra high-resolution video. Therefore high-order (more than 5) multichannel systems with 3D loudspeaker arrangement are proposed to represent a realistic 3D sound scene. NHK's 22.2 multichannel audio system is a good example. However it can occur severe problem to install 24 loudspeakers at normal living room. This paper presents a different method, which represents high-order multichannel audio signal with a single loudspeaker array or several ones. If the rendering position of virtual loudspeaker image is within a loudspeaker array plane, we utilize a Wave Field Synthesis (WFS) method for accurate localization and wide sweet spot area. This paper presents the implementation procedure of loudspeaker array for reconstructing high-order multichannel sound (22.2 channels) and evaluation results though comparing with real loudspeaker arrangement environment.
- KSP Keywords
- 3D sound, 3D video, Accurate Localization, Audio signal, Double layered, High definition television(HDTV), High resolution, Living room, Multichannel audio, S 22, Spot area