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A Study on Effect of IP Performance Degradation on Horizontal Sound Localization in a VoIP Phone Service with 3D Sound Effects

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3 Author(s)
Yoshihiro Ito ; Grad. Sch. of Eng., Nagoya Inst. of Technol., Nagoya, Japan ; Toru Tahara ; Susumu Kuroyanagi

This paper studies a VoIP phone service with 3D sound effects (3D effect phone), which gives users more feeling of being at a live communication than legacy phone services. However, since an IP network is a best-effort one, we must consider effect of IP performance degradation on the 3D effect phone service. This paper evaluates effect of a speech coding IP packet loss on horizontal sound localization by experiment. The experimental results show the following three issues. First, a 3D effect phone service is feasible. Second, ITU-T G. 711 encoding is more suitable to the service than Speex encoding. Third, IP packet losses deteriorate horizontal sound localization.

Published in:

Advanced Applied Informatics (IIAIAAI), 2012 IIAI International Conference on

Date of Conference:

20-22 Sept. 2012