Re: "an industry-leading 20+ hours of continuous video playback from a single batter
posted on
Oct 23, 2007 07:04AM
DB, the next time you try to communicate your question of power consumption....simply ask, What flash, combined with a hard disk drive platform, does the eVu utilize for the video/audio assemblage....NOR or NAND?
Under the simple effect for the published conditions of 445 for video / audio, he should answer NOR(without a cache)...However, combined with an HDD, he might answer NAND for it's speed in write compared to NOR.
They have to signal from HDD to a working memory. 1 they can shadow or page to a RAM. 2.they can load to NAND flash with a quick write speed, yet having a low read speed requiring a cache, where in, they emulate RAM as the 445 patent explains. Or, 3. they can load to NOR with a low write speed and a quick read speed not requiring a cache.
The advantage of utilizing flash, in their case any way, is the ability of rewind, stop, play...etc. So, IMO, the RAM is out for that fact.
The tweaking IMO...is between the PRO and CON of the two flash abilities. They both have a deficiency that must be over come to save power. NAND needs a cache for read, yet you can move data from HDD fast. NOR does not need the cache for read, yet data will be slow from the HDD for write. Also Keep in mined there's a security sequence of decryption taking place.
The tweaking takes place with assemblages...where they have the ability to configure both flash types on a device. They also have the ability of a dual NAND configuration for streaming data.
They can mix it up..
doni