발간년도 : [2017]
| 논문정보 |
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| 논문명(한글) |
[Vol.12, No.1] A Study on Sound Scene Control of Binaural Sound in Multi-channel Audio Coding |
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| 논문투고자 |
Kwangki Kim |
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| 논문내용 |
Recently, realistic visual services such as 3DTV, UHDTV, 3D cinema, 3D gaming, augmented reality (AR), virtual reality (VR) and so on are introduced, and realistic audio services are getting more important to make the realistic visual services more realistic. Generally, the realistic audio services have a limitation that users should have multi-channel speaker layout for generating the realistic audio sound, so the binaural sound generation method that provides the users the realistic sound through a stereo headphone has been introduced. But, since the binaural sound has a constant sound scene, it can not reflect the users’ movement in the AR or the VR service. In this paper, we proposed a sound scene control scheme of binaural sound in the multi-channel audio coding for generating a more realistic audio sound in the VR or AR service. In the proposed method, multi-channel gain factors and a stereo down-mix signal are modified based on the new multi-channel layout to be arranged according to a user’s head movement. The experimental results show that the proposed sound scene control scheme of the binaural sound in the multi-channel audio coding can successfully generate the binaural sound with the controlled sound scene while maintaining the good sound quality. |
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