Envivio Inc. is boosting the performance of its 4Caster M2 Mobile TV encoder by up to 25% with the addition of its new Extreme Compression. Operators with both new and existing H.264-based Mobile TV deployments that use the 4Caster M2 will be able to provide subscribers with a dramatically enriched quality of experience, according to the company.

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Extreme Compression supports numerous advanced features for H.264 Baseline profile encoding. New spatio-temporal adaptive rate control and an enhanced rate distortion optimization algorithm deliver significant performance improvements at the low bit rates used for Mobile TV. A new text and edge-detection feature automatically applies compression specific to the text and graphics to make them more legible on smaller screens. Operators can also take advantage of the more efficient use of their available bandwidth to increase the number of live channels on mobile broadcast networks.

Envivio’s very flexible compression architecture will allow current users of the 4Caster M2 encoder to add Extreme Compression capability simply by loading new software code. The code can be uploaded to the encoders individually using the built-in Web server management interface, or in groups using Envivio’s 4Manager NMS, allowing performance to be improved significantly while minimizing the impact on operational services.

Extreme Compression will be available on the next software release of the 4Caster M2 encoder and on a future release of the 4Caster C4 encoder’s Mobile TV configurations. The company will be demonstrating the Extreme Compression capability of the 4Caster M2 encoder for the first time at IBC 2008 in Amsterdam Sept. 12-16.

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