1. Fast CELP coding based on algebraic codes;Adoul,1987
2. CELP coding with an adaptive density pulse excitation model;Akamine,1990
3. Efficient excitation model for low bit rate speech coding;Akamine,1991
4. Adaptive bit-allocation between the pole-zero synthesis filter and excitation in CELP;Akamine,1991
5. Harmonic coding: a low bitrate good-quality speech coding technique;Almeida,1982