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25/08/2006

Grupo Televisa to use Envivio for its digital satellite news gathering operations

Envivio have announced that Grupo Televisa has selected its standard definition encoders and decoders for Televisa’s digital satellite news gathering (DSNG) operations.
By deploying the high quality MPEG-4 compression and decompression systems in news vans, and fixed and flyaway configurations, Televisa enhanced image quality while requiring less than one half of the previous bit rate used for each transmission stream. Televisa recently used the Envivio encoders to broadcast the 2006 presidential election in Mexico and the FIFA World Cup in Germany.
Televisa, a dominant media company in the Spanish-speaking world is a major player in the international entertainment business. Its three national television networks, Channels 2, 5 and 9, are comprised of 225 stations nationwide, and reach 99% of Mexico’s television households with 74% of the television audience share.
William Aguirre, Director of Satellite Operations for Televisa commented: “We selected the Envivio systems after testing and comparing them with other systems on the market. The picture quality of the Envivio systems far surpassed its competition. Using the Envivio systems to lower the bit rates for each transmission stream, we can double the number of simultaneous transmissions over the same satellite bandwidth.”
Maintaining picture quality while lowering bit rates were key goals for Televisa when selecting MPEG-4 systems for news contribution feeds. With the Envivio systems, Televisa is now encoding at 2 Mbps, providing considerable bandwidth savings over their previous MPEG-2 solution which was operating at 5 Mbps. At present, Televisa has deployed 40 of the Envivio Broadcast Series standard definition (SD) 4Caster B3 encoders and 10 4View D1 professional decoders.
The 4Caster B3 is a fourth generation real time encoder and delivers the most complete implementation of MPEG-4 AVC/H.264 compression techniques available. Ideal for standard definition broadcast contribution, distribution and IPTV applications, the B3 encoder delivers the industry’s highest quality, full resolution video at less than 2 Mbps.
Envivio 4View D1 is a professional SD MPEG-4 AVC/H.264 Main Profile decoder. The system also supports AVC Baseline Profile as well as ASP and SP video decoding, and MPEG-4 AAC/HE-AAC audio decoding. 4View D1 is a key component of Envivio media transport solutions and is a companion product to the 4Caster series of SD encoders.
The professional decoder may also be deployed with any open standards-based SD MPEG-4 encoding system. Combined with the Envivio encoders, 4View D1 provides low latency and high network resilience and offers superior video quality at less than half the bandwidth required by MPEG-2.
Envivio is a leading technology provider of IP-based MPEG-4 video systems and solutions for telcos, enterprises, and broadcasters.
(DS)
VMI.TV Ltd

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