EUROSPEECH 2003 - INTERSPEECH 2003 8th European Conference on Speech Communication and Technology Geneva, Switzerland September 1-4, 2003

Neural Networks versus Codebooks in an Application for Bandwidth Extension of Speech Signals

Bernd Iser, Gerhard Schmidt

Temic Speech Dialog Systems, Germany

This paper presents two versions of an algorithm for bandwidth extension of speech signals. We focus on the generation of the spectral envelope and compare the performance of two different approaches - neural networks versus codebooks - in terms of objective and subjective distortion measures.

Full Paper

Bibliographic reference.  Iser, Bernd / Schmidt, Gerhard (2003): "Neural networks versus codebooks in an application for bandwidth extension of speech signals", In EUROSPEECH-2003, 565-568.