Toshiba has launched a new technology which, it claims, will enable the development of mobile video phones. The low power single chip is the first in the world designed to support video signal encoding and decoding in the MPEG-4 format, according to Toshiba, and will support future generations of power sensitive wireless information terminals, including mobile TV phones. Toshiba claims to have cut power consumption to 60mW at 30MHz operation, a saving of around 70% compared to the same chip running without the new Toshiba architecture and circuit technologies. The saving has been achieved by introducing parallel operation of signal encoding/decoding, clock gating, variable supply voltage scheme and two levels of internal supply voltage.
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