11-29-2007, 10:53 AM | #61 |
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11-29-2007, 10:55 AM | #62 |
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I've seen photos of manga on a 505. Given that it's the same screen, I would say manga would work quite well on any reader that uses the 6" Vizplex screen. But, the 505 does have the advantage of 8 shades vs. 4 for less dithering and a nicer image.
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11-29-2007, 11:09 AM | #63 |
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11-29-2007, 03:37 PM | #64 | |
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11-29-2007, 03:54 PM | #65 |
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The size in pixel's isn't the issue, it is the image size in KB that matters. For full color images, the average size of a 64 KB GIF is about 200x300 - but this size is highly variable and some 600x800 GIFs will fit in 64 KB. By default, the mobigen.exe program reduces the size of GIF images so the they fit in 64 KB by shrinking the image. If you use mobigen.exe -jpeg (and JPEG images), it reduces the size in bytes of the image by reducing its quality while maintaining its size in pixels. Since JPEGs are intrinsically more efficient than GIFs for many images, the 64 KB limit is less onerous for JPEGs.
I have screenshots showing the difference between LIT (unlimited size JPEGs) and PRC (limited byte size GIF/BMP) at the start of Images in MobiPocket. If you use mobigen.exe -jpeg on the LIT file you get essentially the same result as the original, and if you use mobigen.exe (without the -jpeg) on the LIT file I expect you would get essentially the same result as Baen's original PRC (very small images). |
11-30-2007, 06:08 PM | #66 | |
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The iLiad's primary format is pdf -- it was supported since day one. The iLiad can't reflow pdfs, but with its larger screen and stylus navigating letter/A4-sized pdfs is not too difficult, and they display pretty well. |
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11-30-2007, 07:09 PM | #67 | |
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11-30-2007, 07:48 PM | #68 |
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The Kindle is using MOBI because Amazon owns the format. The reason that the iLiad and Cybook are using MOBI is that there are no alternatives. No other vendor of DRMed e-books yet has a Linux Reader, and the only other announced Reader is Adobe Digital Editions which is "coming soon" for Linux.
In defense of MOBI, I would say that it is primarily a format for displaying e-books - rather than a format for laying out and archiving e-books. Even in this role it has limitations. Its real test will be whether it can adapt to displaying epub e-books. |
11-30-2007, 08:58 PM | #69 | |
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Actually, it's kind of funny: the iLiad supported pdf first because it was originally designed for use by business people, who usually read documents in pdf format. iRex added mobi support later, probably as a response to the large number of users buying the iLiad for use as an e-book reader. But it wasn't designed for e-book reading in the first place... In general I have to say that a modern, extensible, reflowable standard format for ebooks would be A Good Thing. I wouldn't worry about mobi sticking around in the long term. Considering that the mobi format has no embedded font support, I expect we'll drop it as soon as e-books become popular in non-English languages... |
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12-02-2007, 12:53 PM | #70 | |
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12-02-2007, 02:01 PM | #71 |
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I agree that MOBI isn't the easiest format to implement. Linux (or any O/S) would not be a issue if DRM was not in the picture. Only MobiPocket has Linux Reader software with DRM at present (Sony does too, but only on their own devices). This may be a marketing, rather than a technical, issue - but it is a real constraint on E-Ink devices.
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12-03-2007, 03:29 AM | #72 | |
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The typical customer doesn't give two hoots if the file format is technically a poor one; all they care about is whether or not they'll be able to buy the books they want to read. Mobi gives them that. |
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12-03-2007, 09:24 AM | #73 |
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Yeah, until their DRM server crashes and doesn't come back up again this time so all your books are bricked.
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12-03-2007, 09:29 AM | #74 | |
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Since Mobi have been around longer than virtually anyone else in the business, I don't personally regard this as something that's likely to happen any time in the foreseeable future. Since I rarely re-read books, I regard this as a complete "non issue". I buy books to read NOW - I don't particularly care whether or not I'll be able to re-read them in 20 years' time. How many of the books that you bought 20 years ago do you still have, and read, now? |
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12-03-2007, 09:31 AM | #75 | |
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