Speech coding system and a method of encoding speech

Speech coding system and method

Speech coding system using excitation pulse train

Speech coding system using variable threshold values for noise r

Speech coding transmission equipment

Speech coding using sparse vector codebook and cyclic shift tech

Speech coding/decoding method having an excitation signal

Speech coding/decoding system with reduced quantization noise

Speech communication system and method

Speech compression

Speech detection and recognition apparatus for use with backgrou

Speech detection circuit

Speech detector capable of avoiding an interruption by monitorin

Speech detector with improved line-fault immunity

Speech encoder

Speech encoding apparatus and related decoding apparatus

Speech encoding/decoding apparatus having selected encoders

Speech enhancement system having dynamic gain control

Speech enhancement techniques

Speech excitation source coder with coded amplitudes multiplied