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Conference Paper: HARMONIC CODING OF SPEECH AT 4. 8 KB/S.
Title | HARMONIC CODING OF SPEECH AT 4. 8 KB/S. |
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Authors | |
Issue Date | 1987 |
Citation | Icassp, Ieee International Conference On Acoustics, Speech And Signal Processing - Proceedings, 1987, p. 2213-2216 How to Cite? |
Abstract | A speech coding technique that yields improved speech quality over existing 2. 4 kb/s linear predictive coding vocoders is described. The method is computationally efficient and operates at a data rate of 4. 8 kb/s. Each speech frame is initially classified as voiced or unvoiced. Unvoiced frames are synthesized using a linear predictive coding filter with noise or multipulse excitation. Voiced frames are synthesized using a sum of sinusoids. The frequency of each sinusoid is defined by peaks in the frequency spectrum. An interpolation technique provides a computationally efficient method of locating the spectral peaks. A real-time, fully quantized version has been implemented in hardware. |
Persistent Identifier | http://hdl.handle.net/10722/179567 |
ISSN | 2023 SCImago Journal Rankings: 1.050 |
DC Field | Value | Language |
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dc.contributor.author | Bronson, Edward C | en_US |
dc.contributor.author | Carlone, Douglas A | en_US |
dc.contributor.author | Kleijn, WBastiaan | en_US |
dc.contributor.author | O'dell, Kevin M | en_US |
dc.contributor.author | Picone, Joseph | en_US |
dc.contributor.author | Thomson, David L | en_US |
dc.date.accessioned | 2012-12-19T09:59:53Z | - |
dc.date.available | 2012-12-19T09:59:53Z | - |
dc.date.issued | 1987 | en_US |
dc.identifier.citation | Icassp, Ieee International Conference On Acoustics, Speech And Signal Processing - Proceedings, 1987, p. 2213-2216 | en_US |
dc.identifier.issn | 0736-7791 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/179567 | - |
dc.description.abstract | A speech coding technique that yields improved speech quality over existing 2. 4 kb/s linear predictive coding vocoders is described. The method is computationally efficient and operates at a data rate of 4. 8 kb/s. Each speech frame is initially classified as voiced or unvoiced. Unvoiced frames are synthesized using a linear predictive coding filter with noise or multipulse excitation. Voiced frames are synthesized using a sum of sinusoids. The frequency of each sinusoid is defined by peaks in the frequency spectrum. An interpolation technique provides a computationally efficient method of locating the spectral peaks. A real-time, fully quantized version has been implemented in hardware. | en_US |
dc.language | eng | en_US |
dc.relation.ispartof | ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings | en_US |
dc.title | HARMONIC CODING OF SPEECH AT 4. 8 KB/S. | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Thomson, David L: dthomson@hku.hk | en_US |
dc.identifier.authority | Thomson, David L=rp00788 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.scopus | eid_2-s2.0-0023242712 | en_US |
dc.identifier.spage | 2213 | en_US |
dc.identifier.epage | 2216 | en_US |
dc.identifier.scopusauthorid | Bronson, Edward C=7004117992 | en_US |
dc.identifier.scopusauthorid | Carlone, Douglas A=6602993996 | en_US |
dc.identifier.scopusauthorid | Kleijn, WBastiaan=7005863214 | en_US |
dc.identifier.scopusauthorid | O'Dell, Kevin M=7004227395 | en_US |
dc.identifier.scopusauthorid | Picone, Joseph=7007035977 | en_US |
dc.identifier.scopusauthorid | Thomson, David L=7202586830 | en_US |
dc.identifier.issnl | 0736-7791 | - |