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Nonlinear quantisation of spectral shape in sub-band coding

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3 Author(s)
Varma, V. ; Bell Commun. Res. Inc., Red Bank, NJ, USA ; Lin, D.W. ; Dixon, J.L.

The authors propose nonlinear quantisation of the spectral shape in sub-band coding. This computationally simple method is shown to yield substantial improvement in speech quality. The performance improvement obtained is computed for 8-band and 16-band coding schemes operating at 16 kbit/s.

Published in:

Electronics Letters  (Volume:25 ,  Issue: 8 )