Position reoptimisation for a multipulse excited LPC coder. - I. Boyd (ECST, 1987)

The voice activity detector for the Pan-European digital cellular mobile telephone service. - D. K. Freeman; G. Cosier; C. B. Southcott; I. Boyd (ICASSP, 1989)

A speech coder for aeronautical telecommunications. - I. Boyd; C. B. Southcott; P. J. Bolingbroke (EUROSPEECH, 1989)

Optimal quantization performance of LPC parameters for speech coding. - W. T. K. Wong; I. Boyd (EUROSPEECH, 1989)