Compression Coding technology in the video communication is very sensitive to data distortion. Any distorted video datum will have an important influence on the quality of the videos.
视频通信中压缩编码技术对数据失真非常敏感，视频数据的任何失真，对视频质量都将产生重要的影响。
Usually there is need to use error control coding to detect and correct those transmission errors caused by signal distortion.
通常需要采用差错控制码来检测和纠正由信道失真引起的信息传输错误。
The weighted LPCC feature based on the distortion of speech coding was explored to reduce the influence under the matched condition.
在前者中，通过分析语音编码对LPCC参数的影响，提出了一种基于编码失真的LPCC加权参数。
The two basic component of rate-distortion model based on Lagrange multiplier in video coding are distortion and rate.
视频通信中的基于拉格朗日乘子法的率失真模型的两个基本组成部分是失真度和比特率。
Compared with the standard post-coding rate distortion (PCRD) algorithm, the proposed algorithm has no spending in calculating rate-distortion slope and searching for optimum truncation points.
与标准的率失真(PCRD)优化算法相比，该算法不会在计算码率失真斜率和搜索最优分层截断点时产生运算开销。
T2 encoder sends feedback to control the coding depth by the accumulated bit rate and complete the rate-distortion optimization truncation.
T2编码器由已编码比特率自适应地反馈控制编码深度，完成优化截取。
In rate-distortion optimization coefficients are encoded with a decreasing R-D slope, so the first coding bits are the ones having the steepest R-D slope.
率失真优化是按照率失真斜率递减的顺序编码系数位，最先编码的位具有最大的率失真斜率，每编码一位都会使失真减少最大。
Under the given distortion conditions, the still image coding Rate-Distortion theories discuss the max coding bit-rate.
在给定的编码率的条件下，用率失真算法计算图像编码使之达到最小的失真。
Therefore, how to estimate precisely the distortion between the codec in error prone environments in order to choose the coding mode is the key problem of rate-distortion.
因此如何准确估算出差错环境下从编码器到解码器端的失真度，并由此来决定编码模式就成为率失真优化的关键问题。
This mainly because of the introduction of radio distortion optimization strategy and traverse all of the coding modes.
复杂度提升主要是由于引入了率失真优化策略遍历所有编码模式。
With the research above, a new rate control algorithm is realized by c, which is based on the valid-bit-number coding model and the rate-distortion optimization technique.
在以上研究的基础上，用C语言实现了基于有效比特位编码模型和率失真优化技术的码率控制算法。
To combine multistream coding with multipath transport(MPT), a rate-distortion optimal algorithm to code a raw video stream into multistream is developed.
为在多路径传输中结合多条流的编码方式，开发了一种基于率歪曲优化的算法，进而把一条未加工的视频流分成多条流。
Video coding is intended to minimize the distortion subject to a constraint bit rate.
视频压缩编码目的就是在比特率受限条件下，尽量使编码失真最小。
Rate-distortion control algorithm in MPEG-4 AAC(Advanced Audio Coding) needs to search Huffman code books many times to obtain the reference number of the current consumed bits.
AAC的码率失真控制算法需要多次检索霍夫曼码书以获得当前状态比特消耗的参考值。
Rate-distortion control algorithm in MPEG-4 AAC(Advanced Audio Coding) needs to search Huffman code books many times to obtain the reference number of the current consumed bits.
AAC的码率失真控制算法需要多次检索霍夫曼码书以获得当前状态比特消耗的参考值。
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