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最后对该声码器进行性能分析。At last, analyzing the performance of the vocoder.

本文给出一种基于编码速率600bps的高质量声码器算法的专用处理器设计。The application specific processor based on the algorithm of 600bps vocoder is presented in this paper.

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介绍了应用AMBE-2000TM声码器芯片设计的语音通信系统的具体实现方案。This paper introduces the design of a voice communication system based on the AMBE-2000TM vocoder chip.

非常流行的c语言实现的g.729压缩算法,很值得研究语音压缩的开发者一看。Implement the G729 Speech Vocoder by C programming language, worth of studying for the developer of speech vocoder.

仿真实验表明,解码语音的质量较之LPC声码器有显著的提高。Simulation results show that, the quality of the decoded speech is significantly improved than that of LPC vocoder.

最后,着重讨论了在这种体系结构和控制流程下,系统对电路资源、声码器资源和音源的管理。At last, it mainly discusses the management of circuit, vocoder and sound based on this architecture and calling control flow.

讨论了基于IP的CDMA通信系统中声码器的配置方法,在此基础上提出了一种声码器的管理算法。It discusses the deployed methods of vocoder in CDMA telecommunication based on IP and brings forward a kind of managed arithmetic.

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线性预测技术已广泛用于语言信号处理,特别是用于设计低比特率的声码器。Linear predictive technique has been widely used for speech signal processing, especially for low bit rate vocoder in recent years.

PEAQ算法是国际电信联盟ITU提出的,针对音频编解码器及其它音频系统性能进行检测的客观评价算法。Perceptual evaluation of audio quality is proposed by the ITU. It can evaluate the performance of the vocoder and other audio system.

作品基于竞赛提供的DSP开发板,设计了一套新型抗RPE-LTP压缩编码的加解密算法。Based on the DSP hardware, a novel encryption algorithm is designed, which can penetrate through RPE-LTP vocoder in GSM voice channel.

若存CMG系统中的声码器单板上运行这种改进的EVRC编解码算法,在支持相同数目的EVRC编解码器的情况下,能为系统节省一定的DSP数量。If this codec is utilized on the vocoder board in the CMG system, with the same number of EVRC sustained, we can reduce quite a few DSPs.

介绍了语音编解码算法原理、声码器系统的硬件结构、工作流程以及软件实现与代码优化。The speech coding algorithm, the hardware architecture and work flow of the vocoder system, software implementation and code optimization are introduced.

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本文以AMBE2000声码器为基础搭建了系统的硬件平台,并采用汇编语言编写了相应的系统软件。In this paper, the AMBE2000 vocoder chip is used to build the hardware platform of the system and assembly language is used to compile the system"s homologous software."

本文试图将语音增强技术与MBE模型相结合以提高声码器抗噪声的性能。This thesis intends to improve the performance of IMBE speech vocoder under noisy enviroment by the combination of speech enhancement techniques with the MBE speech model.

首先简要分析了AMBE算法的特性,然后详细介绍了AMBE-2000芯片在数字集群移动通信系统语音压缩模块中的应用情况。This paper introduced the characteristic of AMBE vocoder, and then recounted the application of AMBE -2000 vocoder chip in a voice coding module of the Digital Trunking System.

分段声码器是一种高效的低速语音编码方法,针对分段声码器实现的关键技术语音分段方法进行了研究,提出了一种分段新算法。Segment vocoder is an efficient very low bit rate speech coding algorithm. Speech segment method, one of the key technology of segment vocoder, is studied and a new algorithm is presented.

声码器是一种数字化语音软件,将演讲语音转变成信息包,因此它可以以电子方式传送,并在接收端进行解码,以便它可以被人听到。A vocoder is software that digitizes speech, transforms it into information packets so it can be electronically transmitted, and decodes it at the receiver so that it can be heard as speech.

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本算法实现中的DSP核心处理芯片,采用了性价比较高的美国TI公司的TMS320C5410定点处理芯片,其运算处理能力为100MIPS。TMS320C5410 fixed DSP chip of TI company was adopted as core digital signal processing chip in this thesis, capacity of which is up to 100MIPS. The vocoder software was tested successfully on EVM.