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Old 02-27-2012, 08:13 PM   #49
ProDigit
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Posts: 2,157
Karma: 9023682
Join Date: Oct 2008
Location: Miami FL
Device: PRS-505, Jetbook, Jetbook Mini, Jetbook Color, Astak Ez Reader Pro
Quote:
Originally Posted by Dulin's Books View Post
edit the second- have you seen videos of TTS on the Jetbook or on Hanvon's original device?
Yes, one site showed a vid, though the tts is in russian.
I'm sure there are some dictionary files that can be downloaded to get the English versions (like your standard 'Mike', and 'Crystal').

Quote:
i wondered in another thread if a sort of pentile arrangement of the color filter would work better, perhaps even allowing for more white sub pixels. i think ill reach out to a few people to see what they think of that idea.
The way they arranged the color filter is for maximum text resolution while still maintaining fairly average colors.
Reducing the size of the color pixels to smaller would make the background more white, but also have less color.
Increasing the size of the color pixels would make it even darker grey.
Adding more white pixels would mean that you'd see a pixel grid on your screen (with white lines crossing the same grey background as current model),something you'd want to avoid.

Like mentioned, the grey-ish color is due to the color filters used over the white e-ink. Without them you'd have a fully fledged 1600x1200 B&W e-ink;but no colors.

The only way they could improve upon e-ink is if they would instead of making them black and white, make them black and silverish reflective; to get a maximum of light reflected back to the user.
They could also use a lower bit-depth (eg: limit themselves to 256 of the brightest of the total of 4k colors). Doing so would result in brighter colors.

If they succeed in directly printing the RGB patterns on e-ink,you'd have a near to perfect solution,but technology isn't there yet.

Pentile displays are not necessary for TV's and LCD's where the light source is emitting from behind the pixels.

Last edited by ProDigit; 02-27-2012 at 08:20 PM.
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