As one of the current most potential low bit rate speech coding schemes, waveform interpolation model with its high performance has been paid more and more attention.
波形内插语音编码模型作为当今最具潜力的低速率语音编码方案之一,因其良好的性能,越来越受到人们的重视。
A fast block matching motion estimation algorithm for low bit rate video coding is proposed.
提出一个用于低比特率视频编码的快速块匹配运动估计算法。
Therefore what has been studied should be a promotion to make very low bit rate video coding work in practice and in wide use.
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。
In low bit rate application or high definition player system such as digital cinema, coding artifacts will be very annoying.
在低码率或超高清晰度视频特别是数字电影应用中,压缩噪声会影响观看质量。
Algorithms and new research results in very low bit rate speech coding is presented thoroughly in this paper, and conclusions are given through comparison and analysis.
全面论述了极低速率语音编码算法中运用的方法理论及最新的研究成果,并对这些算法进行了比较和分析,得出结论。
A kind of robust pitch estimation algorithm is presented for parametric speech coding with transparent quality at very low bit rate.
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 modified low bit rate sinusoidal transform coding algorithm (STC) is presented.
提出了低码率正弦变换编码算法(STC)的改进算法。
In the meantime, we evaluate and analyze objectively the robustness of the low bit rate speech coding algorithms with our own objective evaluating system of the speech quality.
并利用所构建的语音质量客观评价平台,对语音增强低速语音编码算法的抗背景噪声性能进行了客观评估与分析。
This paper proposed a pitch quantization method for low bit-rate speech coding systems.
本文提出了一种适用于低速率语音编码系统的基音周期量化算法。
Block artifact is one of major causations which reduce the quality of pictures in video coding, especially at the time of low bit rate.
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。
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.
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。
In perceptual audio coding with low bit rate application, the pre-echo artifact is more distinct, and the effective detection of transient signals is the precondition.
在低比特率音频感觉编码中,预回声失真更为突出,而对其处理的前提是瞬态信号的有效检测。
An error resilience scheme for very low bit rate speech coding was developed for speech communications on narrow band channels with high bit error rates.
为满足在高误码率的窄带信道上进行语音通信的需求,研究了一种适用于甚低速率语音通信的抗误码参数估值算法。
For very low bit rate speech coding algorithms, it is important to quantize these parameters accurately using as few bits as possible.
甚低位率语音编码算法要求使用尽可能少的位率编码语音谱参数。
The research of video coding is mainly focused on two aspects in recent years, one is the very low-bit rate coding, the other is the video coding based on objects.
近几年来,视频编码的研究集中在两个方面,一是低比特率编码,二是基于对象的视频编码。
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.
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。
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.
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。
Interframe prediction coding algorithm for narrow band low bit rate image sequence is presented in this paper.
主要研究适于窄带低码率活动图像的帧间预测编码算法。
Simulation results reveal that it can achieve better performance than conventional DCT coding scheme and SA DCT method in low bit rate 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。
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.
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。
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.
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。
Therefore, researchers in the related field are constantly seeking new coding method to provide a high quality voice at low bit rate.
因此,人们不断地寻求新的编码方法,以求在低比特率的前提下,提供较高的语音质量。
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.
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。
Moreover, with the rapid growth of multimedia communication technology and VLSItechnology, very low bit-rate video coding will be…
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…
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。
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