David Vetter, John Stork, Klaus Skoge, Paul Ahrens. LPC speech I.C. using a 12-pole cascade digital filter. In IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP '81, Atlanta, Georgia, USA, March 30 - April 1, 1981. pages 467-470, IEEE, 1981. [doi]
Abstract is missing.