Geutebruck gains control with dynamic live streaming

Story link: Geutebruck gains control with dynamic live streaming by Jan Harris

Geutebrück systems, a leading supplier of digital CCTV security systems, is using a new process called dynamic live streaming (DLS) to increase a display server’s control over the size and quality of the picture data to be encoded and transmitted. The company is using the technique with its GeViScope CCTV platform.

The new software ensures that the system only generates and transmits the data required by the display windows at that moment, by constantly relaying information to the compression hardware on the window size and format required by the viewer for each channel.

This generates only a fraction of the amount of data previously generated, when the volume of data generated was that required to meet the greatest size and highest resolution ever needed in the control room.

The technique results in a substantial reduction in bandwith usage. There is also less data to process, which allows each display server to run a greater number of screens.

One server running GscView on a Core2Duo processor can feed 100 screens with live MPEG4 video at 25fps.

The encoder has also been made more responsive to the needs of the display server with a special mechanism for monitoring the display PC. This ensures that picture data is never transmitted to it faster than it can process.

The use of DLS provides faster picture rates and smoother playback, while the low latency (120ms) of the MPEG4CCTV compression process enhances operational capability by enabling the control of speed dome cameras.