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Authors: Suzana Maranhão ; Rogério Rodrigues and Luiz Soares

Affiliation: 166 166 TeleMidia Lab, PUC-Rio University, Brazil

Keyword(s): Time scaling; High-Quality Compressed Audio; MPEG-2 Audio; MPEG-4 Audio, MPEG-2 Systems; Intermedia Synchronization; Hypermedia Document Presentation.

Related Ontology Subjects/Areas/Topics: Applications ; Audio and Speech Processing ; Digital Signal Processing ; MPEG Standards and Related Issues ; Multimedia ; Multimedia and Communications ; Multimedia Signal Processing ; Pattern Recognition ; Software Engineering ; Telecommunications

Abstract: Time scaling is a technique used to modify media-object presentation duration. This paper proposes an audio time-scaling algorithm focused on supporting applications that need: to maintain the original data format for storage or immediate presentation on any legacy audio player; to perform linear time scaling in real time, allowing the adjustment factor to vary along the audio presentation; and to perform time mark-up maintenance, that is, to compute new time values for original marked audio time instants. The proposed algorithm is appropriate for those applications that do not need a great adjustment factor variation. The integration with content rendering tools is presented in the paper and also an example of using these tools in a hypermedia presentation formatter.

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Paper citation in several formats:
Maranhão, S.; Rodrigues, R. and Soares, L. (2006). ON-THE-FLY TIME SCALING FOR COMPRESSED AUDIO STREAMS. In Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2006) - SIGMAP; ISBN 978-972-8865-64-1, SciTePress, pages 110-117. DOI: 10.5220/0001570901100117

@conference{sigmap06,
author={Suzana Maranhão. and Rogério Rodrigues. and Luiz Soares.},
title={ON-THE-FLY TIME SCALING FOR COMPRESSED AUDIO STREAMS},
booktitle={Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2006) - SIGMAP},
year={2006},
pages={110-117},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001570901100117},
isbn={978-972-8865-64-1},
}

TY - CONF

JO - Proceedings of the International Conference on Signal Processing and Multimedia Applications (ICETE 2006) - SIGMAP
TI - ON-THE-FLY TIME SCALING FOR COMPRESSED AUDIO STREAMS
SN - 978-972-8865-64-1
AU - Maranhão, S.
AU - Rodrigues, R.
AU - Soares, L.
PY - 2006
SP - 110
EP - 117
DO - 10.5220/0001570901100117
PB - SciTePress