Axis 31922 Product Manual

Also see for AXIS 231D+: Specifications Connection guide User manual Installation guide User manual

Axis 31922 Product Manual Manual pdf 33 page image

Axis’ Motion JPEG, MPEG-4 and H.264 support / IPv6 and QoS / TECHNICAL CORNER 33AXIS’ MOTION JPEG, MPEG-4 AND H.264 SUPPORTINTERNET PROTOCOL VERSION 6 (IPv6) ANDQUALITY OF SERVICE (QoS)Many Axis video products feature advanced real-timevideo encoding that can deliver Motion JPEG, MPEG-4as well as H.264 video streams. This gives users theflexibility to maximize image quality for recording andreduce bandwidth needs for live viewing.Axis’ MPEG-4 (MPEG-4 Part 2) follows the ISO/IEC14496-2 standard and provides Advanced Simple Pro-file (ASP) at level 5. With a wide range of settings, it ispossible to configure the streams to be optimized forboth bandwidth and quality.Axis’ H.264 (sometimes referred to as MPEG-4 Part 10/AVC) follows the ISO/IEC14496-10 standard, and offersfurther possibilities to reduce storage costs and to in-crease the overall efficiency. Without compromisingimage quality, an H.264 encoder can reduce the size ofa digital video file by more than 80% compared withMotion JPEG and as much as 50% compared with theprevious MPEG-4 Part 2 standard.The Axis Media Control (AMC) includes both anMPEG-4 and an H.264 decoder which makes viewing ofstreams and integration into applications easy.Furthermore, Axis’ multicasting support enables an un-limited number of viewers without sacrificing networksystem performance.As more and more devices are added to networks andto the Internet, IP addresses (the address that individu-ally identifies each unit) are becoming a scarceresource. To handle this, a successor to the current IPprotocol version 4, has been adopted: Internet Protocolversion 6 (IPv6). The main improvement broughtby IPv6 is the increase in the number of addressesavailable for networked devices. Other importantimprovements are in areas such as routing and networkauto-configuration. Products that support IPv6 will bewell prepared for the future, as IPv6 becomes morewidely used.As different networks, such as telephone, data andvideo (CCTV) all continue to merge into a single IPnetwork, it becomes more and more important tocontrol the sharing of network resources, to fulfill therequirements of each service.One solution is to have network equipment treatdifferent types of services (voice, data, video) differ-ently as the traffic passes through the network. Byusing Quality of Service (QoS), network applicationscan co-exist on the same network, without consumingeach other’s bandwidth. QoS makes it possible to pri-oritize traffic, thus creating a more reliable network.