Gabor变换中的最优窗口和格。应用于音频分析。

Proceedings. International Symposium on Symbolic and Numeric Algorithms for Scientific Computing Pub Date : 2015-01-01 DOI:10.1109/SYNASC.2015.25

Helene Lachambre, Benjamin Ricaud, Guillaume Stempfel, Bruno Torrésani, Christoph Wiesmeyr, Darian Onchis-Moaca

{"title":"Gabor变换中的最优窗口和格。应用于音频分析。","authors":"Helene Lachambre, Benjamin Ricaud, Guillaume Stempfel, Bruno Torrésani, Christoph Wiesmeyr, Darian Onchis-Moaca","doi":"10.1109/SYNASC.2015.25","DOIUrl":null,"url":null,"abstract":"This article deals with the use of optimal lattice and optimal window in Discrete Gabor Transform computation. In the case of a generalized Gaussian window, extending earlier contributions, we introduce an additional local window adaptation technique for non-stationary signals. We illustrate our approach and the earlier one by addressing three time-frequency analysis problems to show the improvements achieved by the use of optimal lattice and window: close frequencies distinction, frequency estimation and SNR estimation. The results are presented, when possible, with real world audio signals.","PeriodicalId":91954,"journal":{"name":"Proceedings. International Symposium on Symbolic and Numeric Algorithms for Scientific Computing","volume":"17 ","pages":"109-112"},"PeriodicalIF":0.0000,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5405796/pdf/emss-71455.pdf","citationCount":"0","resultStr":"{\"title\":\"Optimal Window and Lattice in Gabor Transform. Application to Audio Analysis.\",\"authors\":\"Helene Lachambre, Benjamin Ricaud, Guillaume Stempfel, Bruno Torrésani, Christoph Wiesmeyr, Darian Onchis-Moaca\",\"doi\":\"10.1109/SYNASC.2015.25\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This article deals with the use of optimal lattice and optimal window in Discrete Gabor Transform computation. In the case of a generalized Gaussian window, extending earlier contributions, we introduce an additional local window adaptation technique for non-stationary signals. We illustrate our approach and the earlier one by addressing three time-frequency analysis problems to show the improvements achieved by the use of optimal lattice and window: close frequencies distinction, frequency estimation and SNR estimation. The results are presented, when possible, with real world audio signals.\",\"PeriodicalId\":91954,\"journal\":{\"name\":\"Proceedings. International Symposium on Symbolic and Numeric Algorithms for Scientific Computing\",\"volume\":\"17 \",\"pages\":\"109-112\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5405796/pdf/emss-71455.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings. International Symposium on Symbolic and Numeric Algorithms for Scientific Computing\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SYNASC.2015.25\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings. International Symposium on Symbolic and Numeric Algorithms for Scientific Computing","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SYNASC.2015.25","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 0

摘要

本文讨论了最优格和最优窗在离散Gabor变换计算中的应用。在广义高斯窗的情况下，扩展先前的贡献，我们引入了一种额外的非平稳信号的局部窗口自适应技术。我们通过解决三个时频分析问题来说明我们的方法和早期的方法，以显示使用最佳晶格和窗口所取得的改进：近频率区分，频率估计和信噪比估计。在可能的情况下，使用真实世界的音频信号来呈现结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Optimal Window and Lattice in Gabor Transform. Application to Audio Analysis.

查看原文本刊更多论文

Optimal Window and Lattice in Gabor Transform. Application to Audio Analysis.

This article deals with the use of optimal lattice and optimal window in Discrete Gabor Transform computation. In the case of a generalized Gaussian window, extending earlier contributions, we introduce an additional local window adaptation technique for non-stationary signals. We illustrate our approach and the earlier one by addressing three time-frequency analysis problems to show the improvements achieved by the use of optimal lattice and window: close frequencies distinction, frequency estimation and SNR estimation. The results are presented, when possible, with real world audio signals.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Proceedings. International Symposium on Symbolic and Numeric Algorithms for Scientific Computing

自引率

0.00%

发文量