Speex: A Free Codec For Free Speech

M. Schroeder and B. Atal, “Code-excited linear prediction(celp): High-quality speech at very low bit rates,” in Proceedings IEEE International Conference on Acoustics, Speech and Signal Processing

1984

Earlier work this paper cites.

P. Kroon and B. Atal, “Pitch predictors with high temporal resolution,” in Proceedings IEEE International Conference on Acoustics, Speech and Signal Processing

1990

Earlier work this paper cites.

J.-S. Soo and K. Pang, “Multidelay block frequency domain adaptive filter,” IEEE Transactions on Acoustics, Speech and Signal Processing

1990

Cited alongside, same era.

J.-H. Chen, “Toll-quality 16 kb/s celp speech coding with very low complexity,” in Proceedings IEEE International Conference on Acoustics, Speech and Signal Processing

1995

Cited alongside, same era.

J.-M. Valin and R. Lefebvre, “Bandwidth extension of narrowband speech for low bit-rate wideband coding,” in Proceedings IEEE Speech Coding Workshop

2000

Later among the works it cites.

S. Andersen, W. Kleijn, R. Hagen, J. Linden, M. Murthi, and J. Skoglund, “iLBC-a linear predictive coder with robustness to packet losses,” in Proc. IEEE Speech Coding Workshop

2002

Later among the works it cites.