Author Archive

Karole L. Johns

Digital Government

Wavelet image, video compression technology address file size problem

Wavelet algorithms compress video files and boost their transmission speed. Although video phones are a long way from widespread acceptance, full-motion video over standard telephone lines has started to close the gap. Universal Serial Bus and FireWire ports in PCs solve the connectivity problem, but what about file sizes? Static image files are the largest in common use on PCs, and video files far outscale them. Without some kind of automatic compression utility, video

By Karole L. Johns, GCN
September 21, 1998

Digital Government

Energized TravelMate notebook runs six hours on one charge

The TravelMate 7060, one of Acer America's first portable offerings after acquiring Texas Instruments Inc.'s mobile computing group, is a fairly impressive addition to the 166-MHz Pentium MMX notebook market. Most notably, it operated for more than six hours on a single lithium-ion battery under normal use--a feat made possible by Acer's power management and suspend technology.

By Karole L. Johns, GCN
September 29, 1997

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