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Energy efficient DSP architectures for VSELP speech coder 面向VSELP语音编码器的高能效DSP架构
Proceedings of Southcon '95 Pub Date : 1900-01-01 DOI: 10.1109/SOUTHC.1995.516098
Zhenzhong Gu, R. Sudhakar, E.K.B. Lee
{"title":"Energy efficient DSP architectures for VSELP speech coder","authors":"Zhenzhong Gu, R. Sudhakar, E.K.B. Lee","doi":"10.1109/SOUTHC.1995.516098","DOIUrl":"https://doi.org/10.1109/SOUTHC.1995.516098","url":null,"abstract":"One of the primary objectives in the design of digital portable radio is power reduction required to maximize run time and minimize battery size and weight. Available power saving strategies such as dynamic power level control and discontinuous transmission are limited in their scope. A more effective approach is to operate the processors at the lowest supply voltage without incurring reduction in the throughput. Parallel architecture utilizing pipelining and parallelism through hardware duplication can be used to maintain throughput at lower voltages, by allowing slower device speeds. In the paper, several parallel/pipelined implementations of a VSELP speech coder employing VSELP algorithm modifications are suggested and are assessed for the power saving-voice quality trade-off.","PeriodicalId":341055,"journal":{"name":"Proceedings of Southcon '95","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126026532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distributed hypermedia 分布式超媒体
Proceedings of Southcon '95 Pub Date : 1900-01-01 DOI: 10.1109/SOUTHC.1995.516101
M. Kessler
{"title":"Distributed hypermedia","authors":"M. Kessler","doi":"10.1109/SOUTHC.1995.516101","DOIUrl":"https://doi.org/10.1109/SOUTHC.1995.516101","url":null,"abstract":"There are a rich set of unresolved technical challenges for delivering multimedia information on computer architectures, but, from an information delivery perspective, there is a compelling argument that the greatest challenge is not to have existing television or stereo capability on a computer but rather to have the computer to manage video and audio data. This is a subtle shift in orientation that significantly enhances the value of hypermedia technology as a delivery mechanism and it has contributed to the tremendous growth of hypermedia systems. They have come almost full circle from conceptual frameworks for global information, to narrowly focused proprietary application engines, to widely available general purpose tools. In fact, several systems come very close to what early researchers envisioned as grand schemes for universal authoring, exchange and discovery of information. This paper outlines key concepts of a distributed hypermedia based system and identifies open issues for deploying and utilizing these systems.","PeriodicalId":341055,"journal":{"name":"Proceedings of Southcon '95","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130239417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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