Cyberspace: first steps
3-D sound for virtual reality and multimedia
3-D sound for virtual reality and multimedia
Pssst: side conversations in the Argo telecollaboration system
Proceedings of the 8th annual ACM symposium on User interface and software technology
Effects of spatial audio on memory, comprehension, and preference during desktop conferences
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Creating Interactive Virtual Auditory Environments
IEEE Computer Graphics and Applications
Simulated virtual market place by using voiscape communication medium
Proceedings of the 13th annual ACM international conference on Multimedia
Dynamic voice communication support for multiplayer online games
Proceedings of the 7th ACM SIGCOMM Workshop on Network and System Support for Games
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An improved prototype of the "voiscape" voice communication medium has been developed and subjectively evaluated. Voiscape enables natural and seamless voice communication by using sound to create a virtual "sound room" in which people, who are represented by different sounds, can move freely. It features low-delay motion-tracking spatial audio with simulated early reflections that produce out-of-head sound localization and sound distance expression. It also features virtual-location-based selective communication: a user can walk freely in the sound room using a map- and cursor-key-based user-interface and can select whom to talk to or which sound sources to listen to. A third feature is SIP-presence-event-notification (SIMPLE)-based sound room management: when users move, their locations and directions are distributed using SIP SUBSCRIBE/NOTIFY messages. The combination of these features creates a natural voice-communication space in which two or more parallel conversation contexts can coexist. Limited, subjective testing by around 200 people showed that this medium can be used for cocktail-party-like conversation; i.e., users could distinguish parallel conversations by paying attention to or by moving toward one of them.