基于半波编码的语音码本的设计

Design of codebook based on the half-wave speech coding

语音编码技术是语音信号处理中的关键技术之一,语音编码包括波形编码和参数编码以及混合编码3种方法.在对语音实验分析的基础上,提出一种语音波形编码的新方法———半波编码.较详细地阐述了浊音初始码本和码本的制作方法,并类推出清音和无声码本的制作.经实验证明,这是一种有效的语音码本的设计方法.

Speech encoding is one of the key techniques in speech processing,and it includes waveform encoding,parameter encoding and hybrid encoding. Based on the speech research,a new waveform speech encoding approach half wave speech encoding is presented. The method of generating the initial voice codebook is explicated. In addition,the unvoiced codebook and silences codebook are analogized.