SPATIALIZED AUDIO CONFERENCES - IMS Integration and Traffic Modelling

Christopher J. Reynolds, Martin J. Reed, Peter J. Hughes

2007

Abstract

Existing monophonic multiparty VoIP conferencing applications are currently limited to supporting a single conversation floor, with limited numbers of simultaneous speakers. We discuss the additional requirements and benefits of delivering a spatially enhanced audio application via Head Related Transfer Function (HRTF) filtering, which may support many conversation floors. Several network delivery architectures are presented, including integration to the Next Generation Network (NGN) IP Multimedia Subsystem (IMS). The delivery architectures are compared using traffic models, and implications for the scope of such an application are discussed.

References

  1. Baldis, J. (2001). Effects of spatial audio on memory, comprehension, and preference during desktop conferences. In CHI 7801: Proceedings of the SIGCHI conference on Human factors in computing systems, pages 166-173. ACM Press.
  2. Begault, D. and Wenzel, E. (1993). Headphone localization of speech. Human Factors, 35:361-376.
  3. Bregman, A. S. (1994). Auditory Scene Analysis: The Perceptual Organization of Sound. The MIT Press.
  4. Brungart, D. and Simpson, B. (2003). Optimizing the spatial configuration of a seven-talker speech display. In Proceedings of the 2003 International Conference on Auditory Display.
  5. Cheng, C. and Wakefield, G. H. (2001). Introduction to head-related transfer functions (HRTFs): Representations of HRTFs in time, frequency, and space. J. of the AES, 49:231-249.
  6. Cherry, E. C. (1953). Some experiments on the recognition of speech, withone and with two ears. J. Acoust. Soc. Am, 25(5):975-979.
  7. Crispien, K. and Ehrenberg, T. (1995). Evaluation of the cocktail party effect for multiple speech stimuli within a spatial audio display. J. of the Aud. Eng. Soc, 43(11):932-941.
  8. Egbert, M. (1997). Schisming: The collaborative transformation from a single conversation to multiple conversations. Research on Language and Social Interaction, 30(1):1-51.
  9. Evans, M., Tew, A., and Angus, J. (2000). Perceived performance of loudspeaker-spatialized speech for teleconferencing. J. of the Aud. Eng. Soc, 48(9):771-785.
  10. Kilgore, R., Chignell, M., and Smith, P. (2003). Spatialized audioconferencing: what are the benefits? In Conference of the Centre for Advanced Studies on Collaborative research, pages 135-144.
  11. Knightson, K., Morita, N., and Towle, T. (2005). NGN architecture: generic principles, functional architecture, and implementation. IEEE Communications Magazine, 43(10):49-56.
  12. Singh, K., Nair, G., and H, S. (2001). Centralized conferencing using SIP. In Proceedings of the 2nd IPTelephony Workshop (IPTel).
  13. Venkatesha, P., Jamadagni, H., and Shankar, H. (2003). On the problem of specifying the number of floors for a voice-only conference on packet networks. In ITRE2003: International Conference on Information Technology: Research and Education.
  14. Venkatesha, P., Shankar, H., Jamadagni, H., and Vijay, S. (2005). Server allocation algorithms for VoIP conference. In Proceedings of the First International Conference on Distributed Frameworks for Multimedia Applications.
Download


Paper Citation


in Harvard Style

J. Reynolds C., J. Reed M. and J. Hughes P. (2007). SPATIALIZED AUDIO CONFERENCES - IMS Integration and Traffic Modelling . In Proceedings of the Second International Conference on Signal Processing and Multimedia Applications - Volume 1: SIGMAP, (ICETE 2007) ISBN 978-989-8111-13-5, pages 243-248. DOI: 10.5220/0002134002430248


in Bibtex Style

@conference{sigmap07,
author={Christopher J. Reynolds and Martin J. Reed and Peter J. Hughes},
title={SPATIALIZED AUDIO CONFERENCES - IMS Integration and Traffic Modelling},
booktitle={Proceedings of the Second International Conference on Signal Processing and Multimedia Applications - Volume 1: SIGMAP, (ICETE 2007)},
year={2007},
pages={243-248},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002134002430248},
isbn={978-989-8111-13-5},
}


in EndNote Style

TY - CONF
JO - Proceedings of the Second International Conference on Signal Processing and Multimedia Applications - Volume 1: SIGMAP, (ICETE 2007)
TI - SPATIALIZED AUDIO CONFERENCES - IMS Integration and Traffic Modelling
SN - 978-989-8111-13-5
AU - J. Reynolds C.
AU - J. Reed M.
AU - J. Hughes P.
PY - 2007
SP - 243
EP - 248
DO - 10.5220/0002134002430248