Date:04-16-05

Mel Lambert
Media&Marketing
+1/818.558-3924
mediapr@earthlink.net

Las Vegas Convention Center, NV: Graham-Patten Systems, a division of The ISIS Group, will demonstrate a full palette of leading-edge products to the NAB 2005 Convention Exposition, which opens here today and runs through April 21. In addition to its existing range of AES3id Converters and SoundPals™ modules, the company will spotlight new advances to the landmark D/ESAM® Series Digital Edit Suite Audio Mixers, including the new D/ESAM 8000 that utilizes the same Emmy® Award-winning innovation that made the D/ESAM 820, 400 and 230 industry-accepted standards.

The ISIS Group acquired Graham-Patten Systems in October 2004 from Klotz Digital America. “Customers have
been delighted with the re-emergence of the excellent GPS product line,” confides company president Len Dole. “We
are back and dedicated to supporting our loyal customer base.” ISIS and Graham-Patten distributor relationships are
being fully integrated, along with the companies’ physical location, accounting and manufacturing systems.

The highlight of the firm’s exhibit at the NAB2005 Convention Exposition will be:

• The remarkable D/ESAM® 8000 Digital Edit Suite Audio Mixer, which employs the Klotz VADIS mixing engine and routing system. User features make the 8000 an ideal choice for broadcast and post facilities making the transition to multi-channel surround sound for DVD, DTV, and other digital delivery formats.
• The SoundPals™ HDDM-8 High-Definition Eight-Channel De-Embedder, the latest addition to the firm’s innovative range of audio solutions, and which provides eight channels of analog audio output in a compact package.

Also to be seen:

• The four-output/16-channel D/ESAM® 400 Digital Edit Suite Audio Mixer, ideal for mid-sized edit suites, and theD/ESAM 230 Digital Edit Suite Audio Mixer, a cost-effective solution that integrates control console and chassis.
• The complete SoundPals™ Series of award-winning digital audio format conversion, processing and distribution
  building blocks for in-studio and field applications.