5th International Conference on Spoken Language Processing

Sydney, Australia
November 30 - December 4, 1998

Waveform Interpolation Coding With Pitch-Spaced Subbands

W. Bastiaan Kleijn (1), Huimin Yang (2), Ed F. Deprettere (3)

(1) KTH (Royal Institute of Technology), Sweden
(2) Tsinghua University, China
(3) Delft University of Technology, The Netherlands

We present new waveform-interpolation coding procedures which allow perfect reconstruction of the speech signal from the unquantized parameter set. Instead of using adaptive parameter extraction methods, we combine a time warping of the original signal with nonadaptive parameter extraction methods. The new coding structure has good performance at low bit rates and provides convergence to the original waveform with increasing rate.

Full Paper

Bibliographic reference.  Kleijn, W. Bastiaan / Yang, Huimin / Deprettere, Ed F. (1998): "Waveform interpolation coding with pitch-spaced subbands", In ICSLP-1998, paper 1069.