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ISD's Chipcorder Technology At Heart Of Classco's "Voiceannounce" Caller ID Feature


ISD's Voice Chip Enables Recording and Announcement of Names and Phone Numbers for Convenient Caller Identification

SAN JOSE, Calif., March 11, 1996 ® ISD (Information Storage Devices, Inc.), (NASDAQ: ISDI), a leading supplier of semiconductor voice record and playback solutions, today announced that ClassCo, Inc., a leading developer of Caller ID products, has designed ISD's ChipCorder® technology into the ClassCo VoiceAnnounce® Caller ID System. Whereas other Caller ID products display only the caller's name or phone number on a screen, ClassCo's product utilizes ISD's ChipCorder solution to announce the incoming caller's name, phone number or other pre-recorded message in a loud, clear voice, thereby eliminating the need to glance up from what one is doing or walk across a room.

"ClassCo's implementation of ISD's ChipCorder technology is an example of how our customers are providing value-added functionality to products," said Jon Zierk, director of worldwide sales at ISD. "With Caller ID now available in 48 states and soon to be available in California, we expect the record and playback functionality of ClassCo's product to have widespread appeal and promote ClassCo's VoiceAnnounce Caller ID as the solution of choice for discerning consumers."

"Our research indicates that the Caller ID market will grow 20 to 25 percent per year for the next two or three years." said Nate Cyr, vice president of sales for ClassCo, Inc. "However, consumers typically favor the most innovative technical solutions -- products that provide the most sophisticated feature sets at competitive prices. ClassCo's VoiceAnnounce Caller ID System allows users to store announcements ranging from the names and phone numbers of frequent callers, to attention-getting messages like 'Evil boss calling!' or 'Sweetie-pie!' Integrating ISD's single-chip solutions provides us with a technology that is easy, functional and fun to use."

The ClassCo VoiceAnnounce Caller ID System 9500 also utilizes ISD's ChipCorder products to record personalized messages for delivery to specific callers on an incoming call. The product is in full production now and is currently available in national retail chains under the ClassCo, Philips and Magnavox brand names.

ChipCorder Technology

ISD's patented ChipCorder technology is a single-chip solution for voice recording and playback in a variety of consumer, communications and industrial applications. It uses a proprietary "multilevel" storage methodology in which one of more than 250 distinct voltage levels are stored per memory cell. The technology enables voice and audio signals to be stored directly in their natural form into nonvolatile EEPROM memory cells. This provides approximately eight times more storage space for any given memory size than the alternative two-level, digitized signal storage technology. Additionally, ChipCorder products eliminate the need for external A/D and D/A circuits, providing a single-chip, solid-state solution that requires no software, unlike other alternatives which are more difficult to integrate.

Furthermore, ChipCorder technology offers high-quality, voice reproduction because the voice signal is stored in its direct form and not encoded or compressed. It is the only single-chip, non-volatile solution available. Recorded messages will be retained even when batteries wear out. ChipCorder devices can be recorded and re-recorded reliably over 100,000 times.

To date, ChipCorder technology has been incorporated into hundreds of products, including cellular phones, pagers, personal voice organizers, telephone answering devices, voice "message pads," games, toys, interactive books, alarms, point-of-sale displays, novelty items, greeting cards and personalized gifts. It is also found in industrial announcement/annunciator systems, instrumentation, and building security systems.

About ClassCo

ClassCo Inc. designs and develops Caller ID products for the consumer market. The company is located at 274 Gage Hill Road, Hopkinton, N.H., 03229. Telephone: (603) 746-7576. Fax: (603) 435-6546

About ISD

ISD designs, develops and markets integrated circuit solutions for voice applications in the consumer, communications and industrial markets. The company is located at 2045 Hamilton Avenue, San Jose, Calif., 95125. Telephone: (408) 369-2400. Fax: (408) 369-2422. World Wide Web home page: http://www.isd.com.

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