A 3D audio reproduction scheme for audio delivery on a stereo loudspeaker system

Yong Guk Kim; Young Han Lee; Hong Kook Kim

doi:10.1117/12.735544

10 September 2007 A 3D audio reproduction scheme for audio delivery on a stereo loudspeaker system

Yong Guk Kim, Young Han Lee, Hong Kook Kim

Proceedings Volume 6777, Multimedia Systems and Applications X; 67770F (2007) https://doi.org/10.1117/12.735544
Event: Optics East, 2007, Boston, MA, United States

Abstract

In this paper, we develop a 3D audio reproduction scheme for the purpose of delivering audio over IP networks. In this scheme, audio streams constructed at a server are composed of the TCP/IP header followed by multi-channel audio data compressed by MPEG advanced audio coding (AAC), and the decoded audio signals are played out on a stereo loudspeaker system at the client. Since the audio source is recorded by a multi-channel microphone but the playout is dedicated to stereo speakers, the quality mismatch between the multi-channel and the stereo system should be overcome. As a potential solution, we first investigate the effect of 3D audio processing on the audio quality at the client by applying a head-related transfer function (HRTF). Next, a crosstalk cancellation process is applied to the audio with 3D effects in order to improve the immersion of the processed 3D effects on a stereo loudspeaker system. Finally, we evaluate the performance of the 3D audio reproduction system in terms of the identification of an audio source and quality comparison before and after applying the crosstalk cancellation technique.

Citation Download Citation

Yong Guk Kim, Young Han Lee, and Hong Kook Kim "A 3D audio reproduction scheme for audio delivery on a stereo loudspeaker system", Proc. SPIE 6777, Multimedia Systems and Applications X, 67770F (10 September 2007); https://doi.org/10.1117/12.735544

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