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Dorran, David, Coyle, Eugene and Lawlor, Bob (2005) Audio Time-Scale Modification Using a Hybrid Time-Frequency Domain Approach. In: IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2005. IEEE, pp. 289-282. ISBN 0780391543
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Abstract
Frequency-domain approaches to audio time-scale modification introduce a reverberant artifact into the time-scaled output due to a loss in phase coherence between subband components. WHilst techniques have been developed which reduce the presence of this artifact, it remains a source of difficulty. A method of time-scaling is presented that reduces the presence of reverberation by taking advantage of some flexibility that exists in the choice of phase required so as to maintain horizontal phase coherence along frequency-domain subband components. The approach makes use of appearling aspects of existing time-domain and requency-domain time-scaling techniques.
| Item Type: | Book Section |
|---|---|
| Additional Information: | Copyright © 2005 IEEE. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of NUI Maynooth ePrints and eTheses Archive's products or services. Internal or personal use of this material is permitted. However, permission for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. |
| Keywords: | Hybrid Time-Frequency Domain; subband components; reverberation; phase coherence; time-frequency analysis; audio signal processing; |
| Academic Unit: | Faculty of Science and Engineering > Electronic Engineering |
| Item ID: | 652 |
| Identification Number: | 10.1109/ASPAA.2005.1540224 |
| Depositing User: | Robert Lawlor |
| Date Deposited: | 09 Aug 2007 |
| Publisher: | IEEE |
| Refereed: | Yes |
| Related URLs: | |
| URI: | https://mural.maynoothuniversity.ie/id/eprint/652 |
| 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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