Minimizing memory requirement for a multi-rate continuous media server

Jen Wen Ding*, Shiao-Li Tsao, Yueh Min Huang, Chih Wen Cheng, Jun Lin Liu

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

Abstract

In this paper, we examine and construct a mathematical model of buffer sharing problem for a multi-rate CM server, which supports media steams of different bit rates. On the basis of the developed model, we derive the maximal required buffer of a multi-rate CM server with different disk scheduling policies. Based on the observations from some experiments, we learn that not only the data retrieval timing for each stream but also the retrieval sequence of the streams has led to surprising impacts on the maximal buffer requirement of a multi-rate CM server. Therefore, we elaborate a novel disk scheduling scheme to obtain a better retrieval sequence, which can reduce the memory requirement of a multi-rate CM server by using memory sharing. According to the simulation results, the proposed method can reduce up to 36% memory buffer than that of the conventional non-sharing scheme, and about 15% than that of the worst case of the conventional buffer-sharing scheme.

Original languageEnglish
Pages230-233
Number of pages4
DOIs
StatePublished - 1 Dec 1997
EventProceedings of the 1997 IEEE International Symposium on Consumer Electronics, ISCE'97 - Singapore, Singapore
Duration: 2 Dec 19974 Dec 1997

Conference

ConferenceProceedings of the 1997 IEEE International Symposium on Consumer Electronics, ISCE'97
CitySingapore, Singapore
Period2/12/974/12/97

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