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为VoIP铺平道路ExpandVoIP-CH
- 本白皮书分析了VoIP的性能和带宽要求,并介绍了扩展网络公司的加速器(Expand Networks ACCELERATORs)如何有助于提供所需的性能,而同时在集成网络中降低WAN的成本。-VoIP analysis of the performance and bandwidth requirements, and expansion of the company's network accelerator (Expand Networks, ACCELERATOR s) can
jmfApplet
- 使用JMF将摄像头采集的图像显示在Applet上,为了减小文件体积,压缩包内没有jmf.jar,需要单独去Sun的网站上下载-JMF will use camera images collected by the Applet, in order to reduce the file size, compressed jmf.jar no need to separate Sun's download site
DownSampling
- 视频文件降采样源码,可以使原有大小的视频文件减少一倍的分辨率-Video File drop sampling source, the original size of the video files to reduce the doubled resolution
jm11.0_Gradient
- This source code is the design of intra prediction of H.264. The aim of the source code is to increase the coding speed of intra prediction in H.264. The results shown that the gradient method can really reduce the coding time.
musicyea11
- PHP+Mysql组合,可跨平台、移植性高,安全可靠,快速高效; ◇ 使用通用ADODB数据库类,可轻松移植至各种其它主流数据库,如MSSQL、Oracle、Sybase等; ◇ 使用强大的通用Smarty模板引擎,彻底分离程序和页面,并有缓存机制,大大提高维护性和扩展性,可实现多种页面风格; ◇ 全部生成静态html网页,减轻服务器负载,提高访问速度,加强了安全性,更容易被搜索引擎收录; ◇ 各种系统参数轻松定制,如静态html存放目录等,因此能够满足大中型网站的需求; ◇ 可随时选择性的备
WavToMp3
- Wave描述了声音的原始形态,它是最原始的声音文件格式,但占用的磁盘空间太大,此处我们将其转换为mp3格式的,减少文件大小,而且保证声音质量。-Wave describes the sound of the original form, it is the most original sound file format, but too much disk space, here we will convert it to mp3 format to reduce file size, but
The_Speex_Codec_Manual_Version_1.2_Beta_3
- Speex是一套开源的专门压缩声音的库,压缩的性能非常高,常用在VoIP或者其它网络程序中。Speex声称自己是不受任何专利限制,并授权根据修订后的BSD许可证发布。它可以用来与Ogg容器格式或直接在UDP / RTP协议下传输。 这份是Speex的编码手册英文版,下面的地址是维基百科中关于Speex的介绍: http://en.wikipedia.org/wiki/Speex-Speex is a free software speech codec that may be used on
Videoconferencingsource
- 该视频会议源代码,实现功能强大,比传统视频会议算法更优,减少带宽-The video-conferencing source code, to achieve powerful, than the traditional video conferencing better algorithm to reduce the bandwidth
Motion_Detection_Threads
- 在视频服务器中,一个重要的功能是实现移动侦测和录像功能。本源码中实现了多线程、多路视频的视频移动侦测。-In Digital Video Recording [DVR] System, one most important feature is the Video Motion Detection. Most DVR is consisted by multi video capture cards. The card number sometime will be up to 16. In o
DCTdomainMPEG7DominantColordescriptorextraction.ra
- DCT域中MPEG7主色描述符的提取,该文在MPEG7的基础上提出了DCT域内直接提取主色描述符的新方法.这种方法节省了 对图像的解压缩的过程,因而大大的提高了对于压缩图像进行特征提取的速度和效果.作为整个算法的一部 分,一种自动阂值提取的算法也在该文中给予了描述.这种方法可以减少因人为设定经验闭值而带来的不确 定性,使算法更具鲁棒性.对比检索试验结果也说明本算法是一个高速有效的算法.新算法主要用于压缩图 像库或互联网上的相似检索. -DCT domain MPEG7 Dom
AudioComm_MultiCast_Release_D18
- 语音通信控件组播版集成G729A压缩算法,实时传输协议,支持一对多(广播式)的实时通话,话音清晰流畅 适合于多媒体语音教室、会议、工厂、商场等场所!与转发模式相比更能节能网络带宽,减少延时!使用简单方便!-Voice communication control MulticastVersion, Integration G729A compression algorithm, real-time transport protocol to support one-to-many (broadca
New
- 本文讲述多媒体转码从H.263到新一代视频编码标准H.264的异构网络转码的新算法研究-In this paper, we investigate and propose efficient methods for transcoding H.263 video to H.264/AVC standard by exploiting the new coding features. Specifically, the proposed methods aim to reduce th
06C-xxx_Rev1.0
- TW2835 支持详尽的实时 D1 录制、在重放过程中将信道 ID 信息添加到视频流媒体中,用于自动解码与显示,同时还包含一个5层的图形覆盖功能,为 OSD、单盒、2D 阵列箱以及鼠标指示器显示特征/位图-The TW2835 has four high quality NTSC/PAL video decoders, dual color display controllers and dual video encoders. The TW2835 contains four built-in
AIMD_in_NS
- TCP友好的多媒体通信仿真,有如下特点: 支持MPEG4文件,支持CBR/VBR UDP流,支持AIMD流媒体控制-The power and connectivity of today s Internet presents the opportunity for interactive multimedia applications across the world. However, today s Internet has been predominantly designed fo
MP3mdct
- 在MP3 编解码器的设计中,前向MDCT 与反向IMDCT 是两个计算最为复杂的部分。 提出了一种新的算法,对MDCT 与IMDCT 的实现进行优化,极大地降低了运算量。该算法将 MDCT 与IMDCT 的计算分成三步实现: 前处理, 核心处理, 后处理。其中,核心处理部分由 MDCT 与IMDCT 共用,大大减少了对硬件电路的需求,降低了芯片成本。-In the MP3 codec designs, prior to the MDCT and IMDCT are two reve
fswebcam-20070108.tar
- fswebcam is a neat and simple webcam app. It captures images from a V4L1/V4L2 compatible device or file, averages them to reduce noise and draws a caption using the GD Graphics Library which also handles compressing the image to PNG or JPEG. The resu
lossyWAV_Source_20091216_1.2.0
- 这个可以作为无损压缩格式的前端处理,可以降低难压缩音频文件的码率。-This can serve as a lossless compression format, front-end processing, can reduce the bit rate compressed audio files is difficult.
2D3D-Mixed-Service-in-T-DMB-System-Using
- In this paper, we introduce a 2D/3D mixed service in Terrestrial Digital Multimedia Broadcasting (T-DMB) system using depth-image-based rendering (DIBR). The 2D/3D mixed service is the 3D service type that 3D contents are shown partially whil
improved-FCM
- 用LLE算法对视频帧进行降维处理,然后用FCM算法对其进行视频摘要关键帧提取-LLE algorithm to reduce the dimension of the video frame data dimensionality reduction, and then use the FCM algorithm for key frame extraction
2051_iPod_Simple_Remote
- 2051单片机控制iPod播放功能。 2051单片通过IO口扫描及红外接收三个播放/暂停 上一曲/下一曲按键。收到按键后通过UART控制iPod. iPod控制方式采用Lingo ID:2 简单线控方式。为了减少连线,只接了UART发送引脚。不接收iPod发出的信息。先预估iPod会回什么信息,或问什么信息,等待一段时间后直接作相应的回答。-2051 microcontroller control the iPod functions. 2051 single-chip IO port