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September 12, 2003

Radio Revolutionised by Dolby Digital 5.1 Sound

Amsterdam, 12 September 2003--German public broadcasters Bayerischer Rundfunk (BR) and Westdeutscher Rundfunk (WDR) have demonstrated the world's first Dolby® Digital 5.1 surround sound radio services to the international broadcast industry at the IBC 2003 Convention in Amsterdam. The demonstration follows the overwhelming response to test transmissions during the recent IFAconsumer electronics exhibition in Berlin.

The Dolby Digital 5.1 surround radio transmissions make use of the DVB receivers that consumers are already using for digital television.

"With Dolby Digital, our original radio productions such as radio plays and concerts can be conveyed much more vividly and dramatically than with the conventional stereo system. This is a natural step for us, as everybody equipped to receive German digital TV channels in Dolby Digital can already receive the enhanced radio services," commented Martin Wöhr, Head of Studio Production and Operations at BR Radio.

Both BR and WDR have been gaining experience in producing surround sound audio over the last few years, particularly with music and drama programming.

"The success of the transmissions at IFA2003 convinced us to continue the tests with selfproduced multichannel radio drama and music productions," stated Horst Müller, Head of Radio Technology at WDR. Dolby Digital 5.1-channel programming already scheduled for broadcast during the technical test phase includes a regular concert series from BR and several drama productions from WDR. The transmissions can be received via the Astra satellite by any listener with one of over 40 models of Dolby Digital-compatible DVB receiver. The test service can be found on Transponder 111 (Astra 1G, 12603.75 MHz, H, 22.000, 5/6).

About Dolby in Broadcast

Dolby Digital technology intensifies and enhances the digital broadcast experience. Approximately 28 million households worldwide have Dolby Digital 5.1 home receivers, while roughly 22 million digital cable, satellite, and terrestrial DTV set-top boxes have been sold to date that deliver a Dolby Digital 5.1 audio stream. As the number of Dolby Digital 5.1-channel devices continues to rise, more television services are broadcasting in Dolby Digital 5.1 sound, delivering an increasing variety of high-quality programming to their viewers. In Europe, 15 TV channels regularly distribute TV programmes with stunning Dolby Digital 5.1surround sound, such as ProSieben and Premiere in Germany, BSkyB in the United Kingdom, Teleclub in Switzerland, ORF in Austria, and TVN and TV Polonia in Poland. For a listing of programmes broadcast in Dolby Digital 5.1 audio, please visit www.dolby.com/tvaudio.

About Dolby Laboratories

Dolby Laboratories creates technologies that intensify and enhance the entertainment experience. For nearly four decades, Dolby has been instrumental in defining high-quality audio and surround sound in cinema, broadcast, home audio systems, cars, DVDs, headphones, games, televisions, and personal computers. Based in San Francisco with European headquarters in England, the privately held company has entertainment industry liaison offices in New York and Los Angeles, and licensing liaison offices in Hong Kong, Shanghai, Beijing, and Tokyo. For more information about Dolby Laboratories or Dolby technologies, please visit www.dolby.com.

Dolby and the double-D symbol are registered trademarks of Dolby Laboratories. All other trademarks remain the property of their respective owners. W03/148

Media Contact:

Emma Jeffs, Dolby Laboratories, Inc., (44) 1793 842100 elj@dolby.co.uk

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