Our focus is on development of algorithms for high/medium quality compression and coding of speech and audio signals.

More specifically, our researchers deal with design and performance evaluation of different models for discretization and coding of continuous signals. Quantizer and source coder modules are part of communication system and their optimization directly affects the overall performance and the quality of service (QoS).

Development of nonlinear parametric models for speech prediction, particularly models based on truncated Volterra series, and improvement of the long–term pitch prediction in analysis–by–synthesis coders are part of our research.

These results can be applied in PSTN and VoIP networks; audio, image and video coding, speech coding; general A/D converter design; acoustic echo cancellation and speaker recognition.
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