iBiquity Unveils Data Services Interface and V1.0 of HD Radio™ Data Protocol

PHILADELPHIA, PA - National Association of Broadcasters Radio Show - October 1, 2003 - Services Interface and Protocol will enable Universal Access to HD Radio Data Services

iBiquity Digital Corporation , the sole developer of HD Radio™ technology, announced today the initial availability of its Advanced Application Service application programming interface (AAS API), and the release of version 1.0 of the HD BML (Broadcast Multimedia Language) protocol. Together, HD BML and the AAS API will serve as the primary building blocks for developers creating multimedia programming and services that fully utilize the wireless data capabilities of HD Radio technology. Once again, iBiquity has successfully worked with industry partners to leverage existing and proven technical solutions, in this case the World Wide Web Consortiums (W3C) Synchronized Multimedia Integration Language (SMIL), to assure broadcasters of the immediate availability of widespread developer resources supporting application development and the long-term suitability.

The version 1.0 release of the HD BML protocol incorporates significant feedback gained from broadcasters, receiver manufacturers and application developers following the standard's draft release for evaluation at the April 2003 NAB convention. Specific new features contained within version 1.0 include support for advanced multi-level advertising and informational services, uniform method for rendering various graphical and data formats and streamlined user interaction and navigation techniques. Support for third-party and newly-developed applications is also enabled through the release of the new AAS API that provides service providers, broadcasters and developers with common and universal access to all of the features supported by HD Radio's wireless data services.

"We and our partners are extremely proud to reach this important milestone in the development of HD Radio's universal data services as it incorporates extensive industry feedback following two years of intensive development and significant investment," said Joseph D'Angelo, Director, Wireless Data, iBiquity Digital Corporation. "The combination of HD BML and the AAS API provides the industry with a powerful and flexible foundation for the development of compelling data services designed for the HD Radio system. We look forward to our continued efforts with industry suppliers to provide this technology to broadcasters as they convert to digital broadcasting using HD Radio technology."

Richard Doll, Executive Vice President, D.A.V.I.D. Systems Inc. stated "We have been working closely with iBiquity on the evaluation and development of advanced data applications for the broadcast community. By utilizing SMIL as the foundation of HD BML iBiquity has truly accelerated the time to market for HD Radio advanced data services. D.A.V.I.D. used its extensive experience in developing DAB multimedia solutions for broadcasters in Europe . We look forward to bringing similar services to US Broadcasters."

Specifications for HD BML v1.0 and the AAS API can be accessed by visiting iBiquity Digital's website at www.ibiquity.com.

iBiquity Digital's HD Radio technology transforms today's radio experience by allowing AM/FM broadcasters to seamlessly transmit digital signals with superior audio and new data services alongside today's analog-based broadcasts. HD Radio technology will also allow for the development of additional on-demand interactive audio and wireless data services.

About iBiquity Digital (www.ibiquity.com)

iBiquity Digital is the sole developer and licenser of digital AM and FM broadcast technology in the U.S., which will transform today's analog radio to digital, enabling radically upgraded sound and new wireless data services. The company's investors include 14 of the nation's top radio broadcasters, including ABC, Clear Channel and Viacom; leading financial institutions, such as J.P. Morgan Partners, Pequot Capital and J&W Seligman; and strategic partners Ford Motor Company, Harris, Lucent, Texas Instruments and Visteon. iBiquity Digital is a privately held company with operations in Columbia , MD , Detroit , MI and Warren , NJ .

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