the analoge voice from the trunking system was pcm coded, compressed coded, packtized and then transmitted to the server by udp / ip link in the voice gateway 语音网关把来自集群系统的模拟语音,经过pcm编码,语音压缩编码,分组,rtp包封装,经udp/ip链路传输到集群系统服务器。
human face detecting technique has gained extensive application in many fields such as human face identification, crowd control, intelligent user interface, content based image search, image compress coding and so on 该技术在人脸识别、人群监控、智能人机交互接口、基于内容检索和图像压缩编码等领域得到了广泛的应用。
the g729a, a new issued speech compressed coding standard at 8kbit / s, is one of the optional coding standards of h . 323, which is multimedia meeting system standard based on ip network 729a是国际电信联盟新颁布的编码速率为8kbs的低速率语音压缩编码标准,它是基于ip网络的多媒体会议系统标准h323可选的语音压缩编码标准之一。
as the development of video compress coding, flow media technology and network communication technology, digital video collecting system exhibits strong vitality . it replaces the analog collecting system generally 近年来,随着流媒体技术、视频压缩编码技术、网络通讯技术的发展,数字视频采集系统迅速崛起,逐步地替代现有的模拟采集系统。
designs and develops stand-alone video data's compress code and decompress decode system . realizes motion picture's compress code and decompress decode in real time, and self-adaptation control of data flow 开发了实时运动图像视频压缩编码和解压缩解码系统,实现了脱机视频压缩编码和解压缩解码系统的实时图像处理和数据流量的自适应控制。