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A vocoder scheme for very low bit rates (quality evaluation)

 
: Lacroix, A.; Makai, B.

Institute of Electrical and Electronics Engineers -IEEE-:
ICASSP 82. IEEE International Conference on Acoustics, Speech and Signal Processing. Proceedings. Vol.1 : Paris, France, 3-5 May 1982
New York, NY: IEEE, 1982
S.618-621
International Conference on Acoustics, Speech and Signal Processing (ICASSP) <7, 1982, Paris>
Englisch
Konferenzbeitrag
Fraunhofer HHI ()
encoding; speech analysis and processing; speech intelligibility; vocoders; vocoder scheme; very low bit rates; quality evaluation; tube sections; vocoded speech; spectral distances; resonance locations

Abstract
A cascade of variable length uniform tube sections is used as basic model for a vocoder principle with typically 4-5 tube sections. The quality of vocoded speech has been investigated by subjective evaluation, by computation of spectral distances and resonance locations.

: http://publica.fraunhofer.de/dokumente/N-14117.html