A speech communication system and method for handling lost frames

摘要

A speech communication system and method that has an improved way of handling information lost during transmission from the encoder to the decoder. More specifically, the improved speech communication system more accurately recovers from losing information about a frame of speech such as line spectral frequencies (LSF's). To handle lost LSF's, the improved speech communication system sets the minimum spacing between LSF's to an increased value and then optionally decreases the value for subsequent frames in a controlled adaptive manner.