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Lazzarini, Victor, Timoney, Joseph and Lysaght, Thomas (2005) Time-stretching using the instantaneous frequency distribution and partial tracking. In: International Computer Music Conference (ICMC) 2005, September 5-9 2005, Barcelona, Spain.
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Abstract
This article presents a method of signal timescale modification using spectral analysis-resynthesis. It discusses an alternative technique for instantaneous frequency estimation, the Instantaneous Frequency Distribution (IFD). The partial tracking analysis employed in this process is explained in some detail, followed by a look into the resynthesis method. The article discusses this technique of time-stretching in comparison to the standard phase vocoder process. Performance details and specific aspects of this implementation are examined, including the C++ code for a time-stretching application.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Keywords: | timescale modification; time-frequency analysis; instantaneous frequency; sinusoidal analysis; |
| Academic Unit: | Faculty of Arts,Celtic Studies and Philosophy > Music Faculty of Science and Engineering > Computer Science |
| Item ID: | 4178 |
| Depositing User: | Joseph Timoney |
| Date Deposited: | 01 Feb 2013 11:57 |
| Refereed: | Yes |
| Related URLs: | |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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