A REAL-TIME IMPLEMENTATION OF 4.2Kb/s CELP SPEECH CODING

• 出 处: Journal of Electronics(China)
• 发表日期: 1997年1期
• 关键词: SPEECH CODING LINEAR prediction VECTOR QUANTIZATION Speech coding Linear predic

This paper presents a real-time implementation of 4.2Kb/s CELP speech coding on single DSP chip. An algorithm reducing search complexity for adaptive codebook is suggested; the solving method that the parameters are changed into LSP parameters is discusse