语音编码器 meaning in English
vco voice coder
vocoder (voice encoder)
vocoder voice coder
voice encoder
Examples
- The tcp / ip network and the driver of voice coder are mainly introduced . the basic content is as follows : firstly , plainly introduce the development of embedded system and the outlook for embedded system , moreover , consider the application of the embedded developing tool
其中对tcp ip网络的设计和语音编码器驱动的实现进行了详细介绍，其基本内容如下：首先，简单介绍了嵌入式发展的过程及其前景，同时也介绍了嵌入式开发工具的具体应用。 - We select fpga of type xc3s200 as hardware to design the coder and display the hardware resources inside , moreover study the method and steps of designing dsp , based on fpga , by using system generator , finally , it emphasizes the design process of multi - band excitation vocoder . we can work out the module of high pass filter and the module of low pass filter , module of divide frame , module of keynote rough estimate , module of keynote fine estimate , module of band - separated v / u judgment / verdict and module of band - separated amplitude estimate , by using simulink , ise and system generator
本文选用型号为xc3s200的fpga作为设计编码器的核心硬件,介绍了其内部所含的硬件资源,并研究了利用systemgenerator基于fpga设计dsp的方法和步骤,最后,本文把重点放在多带激励语音编码器的设计上,利用simulink , ise和systemgenerator分别设计其中的高通低通滤波器模块、分帧叠加模块、基音粗估模块、基音精细估计模块、分带v / u判决模块、分带幅度估计模块。 - With the developing of vlsi in recent years , high function dsp has been produced ( such as tms320 series dsp produced by ti ) and their cost is dropping . thus , this established the foundation for making complex speech coder practical and producible . the paper researched and discussed the fix - point real implementation of g . 728 by dsp tms320c5402 chip
但是，近几年来，随着大规模集成电路( vlsi )的发展，已生产出高性能数字信号处理芯片(例如ti的tms320系列dsp芯片) ，而且其成本在不断降低，这就为复杂的语音编码器的实用化和产品化奠定了基础。 - Firstly , it introduces the development of speech coding , along with the significance of the low bit rate speech coding . it also compares the model of traditional dualistic excitation lpc vocoder and the multi - band excitation vocoder , and lucubrates the analytical method of frequency domain and time domain in the parameter extraction of multi - band excitation vocoding . secondly , based on the parameter extraction operation of keynote cycle , it adopts time domain in rough estimate operation of keynote and frequency domain in fine estimate operation of keynote , in according to the immediacy required in practice , to minish operation amount
本文阐述了一种基于fpga的多带激励语音编码器的研究与设计,首先介绍语音编码研究的发展状况以及低速率语音编码研究的意义,接着对比分析了传统二元激励lpc声码器模型和多带激励编码器模型,并深入研究了多带激励语音编码参数提取的频域和时域分析法,然后根据实际应用的实时性要求,为了减小运算量,在基音周期参数的提取的算法实现上,本文采用在时域进行基音粗估运算,在频域进行基音精细估计运算。