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语音编码为信源编码，是将模拟信号转变为数字信号，然后在信道中传输。在数字移动通信中，语音编码技术具有相当关键的作用，高质量低速率的话音编码技术与高效率数字调制技术相结合，可以为数字移动网提供高于模拟移动网的系统容量。目前，国际上语音编码技术的研究方向有两个：降低话音编码速率和提高话音质。-Speech coding for source coding is the analog signal into a digital signal, and then in the channel trans
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语音编码方案的选取对移动通信系统的通话质量、信道容量等有重要影响。本文讨论了TD-SCDMA系统中AMR语音编码的自适应机制，同时分析了AMR中代数码本线性预测(ACELP)算法及实现过程。该方案可以在一块TMS320C5510上实现。-The selection of voice coding schemes for mobile communication systems the quality of the call, such as channel capacity have had a
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seminar presentation on speech and channel coding in Global System for mobile communication.
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pdf compressed format of communication speech
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语音增强技术在数字通信中的应用，对理解语音增强技术方面的知识很有帮助-Speech Enhancement Techniques in Digital Communication, speech enhancement techniques for understanding the knowledge helpful
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语音系统主要分为语音外围控制和语音流程控制。语音外围控制通过启动不同的线程监听客户来电,
通过Socket 通信完成服务器端和客户端的数据交互 语音流程控制则是通过用户自定义的流程模型完成来电的接
听、转接、判断以及内线外播等操作。通过实际运行,系统的设计令人相当满意。-Speech system mainly divided into speech peripheral control and the voice process control. Speech peripheral c
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Its 3GPP document for the speech codec used in the GSM communication
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Low bit-rate speech coders are important in many critical communication systems such as military, police, fire departments, homeland security and other first responders. The need for elimination, reduction of the redundancy or irrelevant information
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In this paper we present a robust voice activity detection
algorithm which enables further bit rate reduction for practical
speech communication systems. -In this paper we present a robust voice activity detection
algorithm which e
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Normally speech signals are contaminated with noise and interference that reduces the intelligibility of speech during communication. In order to make speech
signals e ective and useful, they need to be enhanced from the noisy speech signal.
In s
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This document makes an introduction to speech communication, Acoustic Theory of Speech: The Source-Filter Model,Speech Models and Features,
Linear Prediction Model of Speech,Harmonic plus Noise Model of Speech, etc.
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Simulink® and Stateflow® model of a full duplex Bluetooth communication link transmitting HV1, HV2, HV3, and SCORT [1] voice packets, and DM1 data packets. A system parameters block configures the whole model s packet type, slot pair and chan
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Speech Based Watermarking for Digital Images
This paper presents a novel scheme of
watermarking of digital images for copyright protection and
authentication. In this paper we proposed a method of
embedding owner’s speech signal. Speech being
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CHANNEL EQUALIZATION AND
BLIND DECONVOLUTION
Blind deconvolution is the process of unravelling two unknown
signals that have been convolved. An important application of blind
deconvolution is in blind equalization for restoration of a sign
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