Cop3 VBR

Cop3 VBR Activity Sub-group: The Pro-MPEG work, defined as CoP3 for CBR MPEG2 transport streams over IP networks with FEC, was completed by the VSF and submitted to SMPTE and approved as SMPTE 2022-1 & 2022-2. The CoP3 VBR Activity Sub-group continues that work for VBR MPEG2 transport streams. This work was divided into two application focused activities, one for IPTV applications and another for broadcast contribution applications. The IPTV work is very near completion and is slated for release to SMPTE at the December technical committee meetings.

The Broadcast Contribution was further split into two works. One work defining an interoperable standard for Piecewise Constant MPEG2 transport streams as defined in the ISO-13818 MPEG document. The other work defining an interoperable standard for Non-Piecewise Constant MPEG2 transport streams as often found in large scale distribution networks.

The Piecewise Constant work has been completed and submitted to the SMPTE 32NF Technical Committee and is currently in the ballot process. The Non-Piecewise Constant work is currently in progress with a method established. The remaining work is to complete the documentation of this method and submit it to SMPTE by the March technical committee meetings.

  • Carl Ostrom
    Chair
    Carl Ostrom
    System Resource
    Tel: 530.265.0330
    Fax: 530.265.5016