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发表刊物：ISSPA 2003. Seventh International Symposium on Signal Processing and its Applications. ProceedingsISSPA 2003. Seventh International Symposium on Signal Processing and its Applications. Proceedings

摘要：In this paper, a few time-frequency mappings (TFM) applied to high quality audio coding are introduced at first, and then the related calculation formulae for performance evaluation of TFMs is briefly reviewed. Meantime, several theoretical coding gains for long and short transforms are tabulated. Finally, by analyzing coding gain for five kinds of TFMs with four typical audio clips, a novel TFM structure, which can satisfy time-frequency resolution requirement of audio coding and reduce more redundancy is suggested.

合写作者：Zaiwang Dong, Weibei Dou,梁勇,刘光明,窦维蓓,董在望

第一作者：Jianxin Yan,梁勇

论文类型：会议论文

页面范围：447

是否译文：否

发表时间：2003-07-01