语音编解码算法 meaning in English
voice coding/decoding algorithms
Examples
- This system uses the evm of dual - core tms320vc5471 . for the different core configuration , the dsp has a / d and d / a modules to implement speech signal i / o channel , real time implementation of speech coder . meanwhile embedded operation system uclinux is transplanted into it
结合cpu两个内核不同的体系结构，在dsp内核上连接a / d 、 d / a模块实现语音信号i / o通道以及实时实现语音编解码算法，在arm内核上移植了clinux嵌入式操作系统。 - Three optimization methods are presented by researching the algebraic codebook excitation linear prediction ( acelp ) algorithm , and optimized the feel weighted filter , the search algorithm of the linear spectrum pair ( lsp ) , and the search method of the algebraic codebook respectively
通过研究tetra数字集群通信系统中的acelp语音编解码算法,分别在感觉加权滤波器的设计、线谱对参数量化的搜索方式、代数码本的搜索方式等三个方面提出了优化算法。 - It is expected to be used for 3g personal handy - phone system as standard algorithms which encode speech signals and decode it . additionally , this kind of algorithms which own excellent quality can be application in viewphone and video order programme etc . the thesis introducethe algorithm structure of g . 729
该协议在可预见的将来可能应用于三代移动通信系统中作为语音编解码算法。另外，由于其良好的性能也可应用在多媒体系统中如：可视电话，视频点播等。本论文概要介绍了g . 729协议的算法结构。 - The paper explains the speech codec implemented in real - time by using a single fixed - point dsp , tms320c5402 and the testing of the performance of real - time tetra codec through many kinds of voice signal , including dtmf signal , english speech , chinese speech , speech with noise and other sound . the results showed reconstructed speech represents relatively high quality in both objective analysis and subjective audio test
文中论述了以ti公司的tms320c5402定点dsp为硬件环境，实时地实现tetra语音编解码算法的过程以及对实现的算法进行包括dtmf信号、英文语音、中文语音、带有噪声干扰的语音和非语音信号在内的全面的性能测试。 - Meanwhile , the telephone gateway in tetra system is introduced . in further research , the principle of tetra speech coding algorithm ? algebraic codebook excitation linear prediction ( acelp ) is introduced and analysed in detail , which is a advanced codebook excitation linear prediction ( celp ) . acelp algorithm replaces the excitation signals with algebraic codebook and uses some technique such as minimizing the mean square error ( mse ) and the analysis - synthesis method to obtain characteristic parameters of speech
同时,介绍tetra系统的市话网关,并在接下来的研究中详细介绍tetra电话网关中应用到的语音编解码算法? ?代数码本激励线性预测码( acelp )的基本原理,它是一种简化了的码本激励线性预测码( celp ) ,它把激励信号用代数码本代替,并且运用了均方误差最小、分析?合成等技术提取出语音的特征参数,极大地降低了比特率,而且具有较好的重建语音质量。