A real-time implementable 7 khz speech coder at 16 kbit/s. - Arild Fuldseth; Erik Harborg; Finn Tore Johansen; Jan E. Knudsen (EUROSPEECH, 1991)

Wideband speech coding at 16 kbit/s for a videophone application. - Arild Fuldseth; Erik Harborg; Finn Tore Johansen; Jan E. Knudsen (Speech Commun., 1992)

A real-time wideband CELP coder for a videophone application. - Erik Harborg; Jan E. Knudsen; Arild Fuldseth; Finn Tore Johansen (ICASSP (2), 1994)