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Technology Stocks : e.Digital Corporation(EDIG) - Embedded Digital Technology

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Mar 20 5:00 PM EST

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To: Burt Roger who wrote (1409)	12/14/1998 1:49:00 PM
From: Walter Morton	of 18366

Here is a picture: david.weekly.org "Just the idea and the player won't make a business," said Shinji Ono, senior vice president of NTT's multimedia business department. "We are going to invite an all-inclusive list of partners," including content providers, equipment OEMs and distributors and downloader manufacturers. The companies aim to deliver products in the middle of next year. By 2001, they hope for a penetration of about 1 million units, or about $220 million. The player weighs an ounce and a half. With a 16-Mbyte flash memory, it plays CD-quality sound (44.1-kHz sampling) for 25 minutes and FM-radio quality (22-kHz sampling) for 50 minutes. It runs off a lithium-ion polymer battery just 0.05-inch thick that fits at the back of the player. Developed by Yuasa Corp., it has a capacity of 175 mAh at 3.6 V. The battery powers the player for about three hours. Developed by the NTT Human Interface Laboratories, TwinVQ (for "transform-domain weighted interleave vector quantization") compression was proposed for the audio specification of MPEG-4 and virtually adopted, according to an NTT spokesman. NTT has been offering a software TwinVQ encoder and decoder over the Internet since July 1995, and the number of downloads overseas now equals those in Japan, the spokesman said. Some content providers are offering music in TwinVQ compression over the Internet. NTT said TwinVQ offers a higher compression ratio (from 1:18 to 1:96) than the scaler quantization of conventional audio coders. Compression can scale from a bit rate as low as 8 kbits/second/channel with 8-kHz sampling to a high of 48 kbits/s channel at 44.1-kHz sampling. The Electronics Information Technology Laboratory at Kobe Steel implemented TwinVQ's decoding function as a one-chip DSP device and developed the player in cooperation with NTT. Kobe Steel intends to promote SolidAudio as its new business. The prototype player was configured with a Texas Instruments DSP and Toshiba's SmartCard flash memory. Volume products will substitute less-expensive devices, said Yoshihiro Nishomoto, manager of the Kobe Steel laboratory. Copyright ® 1998 CMP Media Inc. techweb.com

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