List of contributors. Preface. Digital signal processing in telecommunications. Fixed filtering - a review and some new ideas. Adaptive filters - a review of techniques. Adaptive filtering - applications in telephony. A signal processing application development environment. A low-complexity high-speed digital subscriber loop transceiver. An application of DSP to voiceband modems. Block coding for voiceband modems. Correlative-level Mod(N) encoding and near-maximum likelihood decoding. A review of digital signal processing techniques in speech analysis. Speech coding for telecommunications. The DSP development platform for the Skyphone speech codec. The DSP network emulator for subjective assessment. A hybrid bandsplitting acoustic noise canceller. Video codec design using DSP devices. Digital implementation of neural networks. DSP in network modelling and measurement. Index.