Les extensions de la norme MPEG-2 pour inclure le H.264 comme type de flux élémentaire (ES) complémentaire d’un flux de transport (TS) MPEG-2 rendent accessible et attractif le H.264 pour les diffuseurs et les opérateurs de réseau. La transition constitue un défi pour les équipementiers qui créent des variantes du H.264, car malgré le fait que le H.264 assure une compression deux fois plus efficace que le format MPEG-2, la complexité de traitement est elle aussi deux fois supérieure. Tektronix peut contribuer à l’utilisation d’une solution H.264 de bout en bout, avec 3 phases principales : conception, déploiement et gestion.

La technologie de flux de transport MPEG-2 continue à bien fonctionner dans de nombreuses applications, y compris les codeurs de compression H.264 ou MPEG-4 nouvelle génération. La vérification de la conception et le débogage et l’analyse peuvent impliquer le test du flux de transport MPEG-2 ainsi que l’évaluation des données du flux élémentaire.


Critical RF Measurements in Cable, Satellite and Terrestrial DTV Systems

The secret to maintaining reliable and high-quality services over different digital television transmission systems is to focus on critical factors that may compromise the integrity of the system. This application note describes those critical RF test measurements which help to detect such problems before viewers lose their service and picture completely.

A Layman's Guide to PCR Measurements

Program Clock References (PCRs) provide the means for a digital TV receiver to lock its decoded video output to the video source present at the input to an encoder. The subject of PCR measurement is often misunderstood. This technical brief describes impairments that affect the PCR and appropriate..

Video Backhaul

Using the MTM400A video backhauling functionality, discover out how to deliver a remote program to an operator via a network link, even several thousand miles, without altering them in any way and preserving the native compression.

A Guide to MPEG Fundamentals and Protocol Analysis

MPEG is one of the most popular audio/video compression techniques because it is not just a single standard. Instead, it is a range of standards suitable for different applications but based on similar principles. MPEG is an acronym for the Moving Picture Experts Group.

Troubleshooting Quality of Service (QoS) and Quality of Experience (QoE) issues in Video Service Provider Networks

Learn the benefits and faults of the two most common test methods for troubleshooting video signal problems and the critical capabilities needed in an MPEG analyzer.

Vclips Frequently Asked QuestionsVclips comprise several sets of uncompressed ("raw") and compressed video, designed to be used by video compression developers/testers.
Using Triggered Video Capture to Improve Picture Quality

Today's video transmission methods depend on compressed digital video to deliver the high-volume of video data required. This creates a need for an easy, reliable, consistent test method to guarantee Video Quality of Service to the end user.


Download our Free Digital Video Broadcasting poster containing information on ISO/IEC 13818-1 and ETSI EN 300 468 International Standards.

Testing the MPEG2 Transport Stream

The protocols involved in iTV are very complex. A full understanding of them is necessary, not only to ensure that iTV can be delivered in a flexible way, but in a way that provides the responsiveness that a consumer expects and ultimately pays for.

Testing Video Transports Streams Using Templates

The addition of template testing makes Tektronix test systems, such as the MTM400, a very powerful and cost-effective way of applying scheduled service and related tests to specific target probe points. Transmission-chain errors can be detected and pinpointed promptly by strategically....


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