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Lawlor, Bob and Fagan, A.D. (1999) A novel high quality efficient algorithm for time-scale modification of speech. In: 6th European Conference on Speech Communication and Technology (EUROSPEECH’99), 5-9 September 1999, Budapest, Hungary.
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Abstract
We present a novel efficient algorithm for time-scale
modification (TSM) of speech which gives output
quality equal to that of a conventional TSM algorithm,
but having computational load an order of magnitude
less. The algorithm presented uses a fixed length
rectangular stepping window and a simple peak
alignment criterion to track the local natural scaling
factor and adapt the window step size. The desired
TSM factor is realised by the appropriate number of
applications of the constantly varying local natural
scaling factor. The local natural scaling factor estimate
is updated at sub-pitch period intervals giving accurate
pitch tracking and high quality in the output scaled
signal.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Keywords: | Speech; Time-Scale Modification (TSM); Synchronized Overlap-Add (SOLA); Adaptive Overlap-Add (AOLA; |
| Academic Unit: | Faculty of Science and Engineering > Electronic Engineering |
| Item ID: | 9768 |
| Depositing User: | Robert Lawlor |
| Date Deposited: | 10 Aug 2018 15:43 |
| Refereed: | Yes |
| URI: | https://mural.maynoothuniversity.ie/id/eprint/9768 |
| 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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