STOC '94 Proceedings of the twenty-sixth annual ACM symposium on Theory of computing
DICE: Internet Delivery of Immersive Voice Communication for Crowded Virtual Spaces
VR '05 Proceedings of the 2005 IEEE Conference 2005 on Virtual Reality
Maximizing total upload in latency-sensitive P2P applications
Proceedings of the nineteenth annual ACM symposium on Parallel algorithms and architectures
Depth-Latency Tradeoffs in Multicast Tree Algorithms
AINA '07 Proceedings of the 21st International Conference on Advanced Networking and Applications
Spatialized audio streaming for networked virtual environments
MM '08 Proceedings of the 16th ACM international conference on Multimedia
SyncCast: synchronized dissemination in multi-site interactive 3D tele-immersion
MMSys '11 Proceedings of the second annual ACM conference on Multimedia systems
Towards peer-assisted rendering in networked virtual environments
MM '11 Proceedings of the 19th ACM international conference on Multimedia
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In recent years, integrated spatialized voice services have become an appealing application for networked virtual environments (NVE), e.g., Second Life. With a spatialized voice service, people can identify who is talking if there are several participants in the vicinity. The key challenge in a spatialized audio streaming application is how to disseminate audio streams while observing bandwidth limits of end-user computers and tight latency constraints, and it can be modeled as NP-complete problem. In this paper, we propose a heuristic algorithm called CTA for spatialized audio streaming over NVEs in a peer-to-peer manner. The proposed algorithm was applied to real avatar mobility traces collected from Second Life, and the simulation results demonstrate that (a) CTA can achieve a high ratio of successful to candidate receivers and (b) CTA enables most of the successful receivers to enjoy minimum latency.