telecommunication networks / wireless personal communication systems / served telephony systems / elaborate digital signal processing techniques / mobile communication systems / analogue systems / speech encoder/decoder hardware / private networks / information technology requirements / speech coding technology / digital signal processing techniques / communication systems / wireless systems / portable equipment / telephony / continental and national communication systems / e.g. satellite communications / digital mobile radio systems / /
1 Introduction Although data links are increasing in bandwidth and are becoming faster, speech communication is still the most dominant and common service in telecommunication networks. The fact that commercial and priva