A new discrete all-pole modeling for the multiband excitation coder

A new discrete all-pole modeling for the multiband excitation coder

A new model for the spectral samples obtained in the multiband excitation speech coder (MBE) is introduced. Objective and subjective tests show that it compares favorably with the classical linear prediction (LP) model, specially for high pitched speakers. Strategies for efficiently quantizing the m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Torres-Guijarro, S., Casajus-Quiros, F.J.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Autocorrelation
Bit rate
Frequency estimation
Harmonic analysis
Linear predictive coding
Predictive models
Speech
Telecommunication standards
Testing
Vectors
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Beschreibung
Zusammenfassung:A new model for the spectral samples obtained in the multiband excitation speech coder (MBE) is introduced. Objective and subjective tests show that it compares favorably with the classical linear prediction (LP) model, specially for high pitched speakers. Strategies for efficiently quantizing the model parameters, suitable for low bit rate implementations of the MBE coder, are also addressed.
DOI:10.1109/MELCON.1998.692169