本文利用新一代可编制逻辑器件在数字信号处理领域的优势，对语音信号低码率编码的FPGA实现进行了深入研究。
Use the predominance of new programmable logic chip on digital signal domain lucubrate on the implement with FPGA of speech signal low bit rate coding.
并在MATLAB中进行仿真，对算法进行了性能分析，得出了此算法能达到最高质量的编码，搜索点少，PNSR也较高，可实现低码率编码。
Performance analysis of algorithms. This algorithm can be obtained to achieve the highest quality encoding, the search points less, PNSR is also high. Low bit rate coding can be realized.
提出了低码率正弦变换编码算法(STC)的改进算法。
A modified low bit rate sinusoidal transform coding algorithm (STC) is presented.
基于表情活动单元的人脸模型自动适配是极低码率可视电话模型基编码所必需的。
The automatic adaptation of a face model using action units is necessary for the model based coding of videophone sequences at very low bit rates.
近年来。在低码率的音频编码算法中也开始应用它。
Recently, it began to be applied in low - bit rate audio coding.
目前高压缩比低码率的压缩方法成为图象编码领域的研究热点。
Currently compression methods with higher compression ratio and lower bit rate become the hot spot in the area of image encoding.
研究发现，基于空域运动补偿小波视频编码的相关帧丢帧补偿机制可以在很大程度上降低码率，提高压缩比，改善图像在极低码率传输中的质量。
Our study finds out that the compensatory system of relevant frame throwing frame can enhance the rate of compression and improve the quality of image transmitted by the lowest code rate.
实验结果显示在低码率下，该算法能够大大节约编码的码字，而且在小运动序列时，可以显著减少编码的时间。
Experimental results show that the algorithm can save more bits at low bit-rates and greatly reduce the encoding time when small motion video sequences are encoded.
提出了更新算子的优化设计，以提高低码率下视频编码的可扩展性，并取得改善的重建视频质量。
An optimized update operator in lifting implementation is proposed to improve scalability under low bit rate and the quality of reconstructed video.
块效应是视频编码中影响编码质量的一个重要问题，特别在低码率情况下尤为明显。
Block artifact is one of major causations which reduce the quality of pictures in video coding, especially at the time of low bit rate.
相信所做的这些工作对甚低码率视频图像编码的实际应用和推广将起到推动作用。
Therefore what has been studied should be a promotion to make very low bit rate video coding work in practice and in wide use.
模型基图像编码自80年代初提出后，由于在低码率情况下有高的主观图像质量，作为视频编码的方法得到了广泛的重视。
Since the model based coding being presented from early 80's, it has got extensive attention as a video coding method due to high subject image quality and low bit rates.
为了实现甚低码率下的透明质量语音编码，提出了一种基音周期估计算法。
A kind of robust pitch estimation algorithm is presented for parametric speech coding with transparent quality at very low bit rate.
采用的低码率视频编码方法是以全局运动补偿和局部运动补偿为核心的混合编码方法。
The coding method in low bit rate discussed in this paper is a hybrid encoding architecture, which combines global motion compensation and local motion compensation coding.
信道带宽是非常有限和宝贵的资源，而低码率语音编码技术是节省带宽的重要方法之一。
Moreover, the bandwidth is a very limited and precious resource. And the low code rate speech codes is one of the important methods to be economical bandwidth.
文章根据低码率图像编码的特点，对H。263测试模型(TMN5)的仿真程序tmn- 2.0中的量化级和码率控制策略的不足之处进行了合理的改进。
Based on the features of low coding rate video encoding, we improved the control strategy of quantization step and coding rate in the simulation program TMN - 2. 0 of H. 263 test model (TMN5).
本文简要介绍了语音压缩编码的新进展，并且着重介绍低码率语音编码在新近几年所取得的进展。
In this paper, developments of speech compression coding are briefly introduced, and importance is attached to recent advances in speech coding at low bit rates.
本文论述了一种基于软件无线电的甚低频低码率语音数字岩层通信机，它采用了QPSK调制和FEC信道编码技术。
This paper deals with a digital speech communicator of very low frequency and low bit digital communication based on software ratio, which USES the technique of QPSK and FEC coding.
实验结果证明，在低码率下，使用子带dct对任意形状的VOP进行编码的方法优于传统的DCT方法和SA DCT方法。
Simulation results reveal that it can achieve better performance than conventional DCT coding scheme and SA DCT method in low bit rate coding.
主要研究适于窄带低码率活动图像的帧间预测编码算法。
Interframe prediction coding algorithm for narrow band low bit rate image sequence is presented in this paper.
语音编码是数字语音通信中的一项重要技术，低码率的语音编码器在解决宽带资源的限制方面发挥着重要的作用。
Speech of coding is a very important technology in digital speech communication and low-bit-rate speech codec plays an important role in resolving limit of bandwidth resource.
本论文是研究的对象是以低码率视频编码技术(基于H . 263)为目标的视频编码标准，目的是为了能大大提高视频质量。
The purpose of this thesis is to study about the video-coding standard targeted for low-bit-rate video coding technique (H. 263) that improves video quality considerably.
为了进一步降低码率，提出了减少信号帧间冗余信息的轨迹编码方法，同时引入了解码端频域无相位综合算法。
To give further bit reduction of the redundancy between signal frames, a novel Sinusoidal Tracking Coding algorithm has been proposed.
针对低码率应用，分析各编码工具的性能并选取合理编码框架，同时利用单指令多数据(SIMD)技术并行实现快速搜索及整数变换。
For bit rate video application, a rational profile is selected according to analysis of main encoder tools. Fast motion search method and integer transform are implemented by using SIMD technique.
实验结果显示在低码率下，该算法能够大大节约编码的码字，而且在小运动序列时，可以显著减少编码的时间。
Experimental results show that the algorithm can save more bits at low bit-rates and greatly reduce the encoding Tim...
实验结果显示在低码率下，该算法能够大大节约编码的码字，而且在小运动序列时，可以显著减少编码的时间。
Experimental results show that the algorithm can save more bits at low bit-rates and greatly reduce the...
并且，随着多媒体通信技术和VLSI技术的飞速发展，极低码率视频编码技术将会在众多领域中得到重视。
Moreover, with the rapid growth of multimedia communication technology and VLSItechnology, very low bit-rate video coding will be…
MPEG - 4系统是当前流行的一种多媒体编码方式，广泛的应用于低码率传输，如何在网络上实时传输MPEG - 4码流是当前的一个研究热门，也是未来网络多媒体的一个重要的研究方向。
MPEG-4 is a very popular multimedia codec, which used in the low bit-rate transport in the network, how to transport MPEG-4bit-stream in the network real-time is a hotspot of research.
MPEG - 4系统是当前流行的一种多媒体编码方式，广泛的应用于低码率传输，如何在网络上实时传输MPEG - 4码流是当前的一个研究热门，也是未来网络多媒体的一个重要的研究方向。
MPEG-4 is a very popular multimedia codec, which used in the low bit-rate transport in the network, how to transport MPEG-4bit-stream in the network real-time is a hotspot of research.
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