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Old 10-26-2009, 08:25 PM   #1
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Probably a dumb ePub question...
This is probably a dumb question, but I've read the ePub stickies and the epub entry at wikipedia and it's still unclear for me:

Sony uses ePUB for their books, or they will. Barnes and Noble says the Nook will support ePUB. So can a book purchased in the Sony store be read on the Nook out of the box, or does the ePUB file need to be "relieved" of any DRM before it can be read by a non-sony device?

Sorry for the probably basic question, and if I missed it in a sticky I am sorry!
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Old 10-26-2009, 08:35 PM   #2
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Once Sony gets their store switched over to ePub their books should be readable on any device that does DRM'd ePub, including the Nook. On the reverse side once B&N switches to ePub their books won't work on any other device that does DRM'd ePub unless the device manufacturer puts out an update.
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Old 10-27-2009, 10:52 AM   #3
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Originally Posted by AnemicOak View Post
Once Sony gets their store switched over to ePub their books should be readable on any device that does DRM'd ePub, including the Nook. On the reverse side once B&N switches to ePub their books won't work on any other device that does DRM'd ePub unless the device manufacturer puts out an update.
Ok, so to make sure I understand you correctly:

Sony is using a general DRM that is not proprietary. Barnes and Noble is using a propietary DRM scheme for their ePub. So as long as Barnes and Noble supports generic ePub, they can read Sony books, but Barnes and Noble's special ePub locks their books to their software.

Am I following?
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Old 10-27-2009, 10:57 AM   #4
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Am I following?
Yes, although B&N DRM will be offered to other Adobe licensees next year, so the B&N approach isn't exclusive to B&N in the long term.
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Old 10-27-2009, 11:01 AM   #5
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Quote:
Originally Posted by questionfear View Post
Ok, so to make sure I understand you correctly:

Sony is using a general DRM that is not proprietary. Barnes and Noble is using a propietary DRM scheme for their ePub. So as long as Barnes and Noble supports generic ePub, they can read Sony books, but Barnes and Noble's special ePub locks their books to their software.

Am I following?
Sony will be using Adobe's Adept DRM, which is what all ePub's currently use if they use DRM. A form of B&N's eReader DRM is going to be incorporated into Adobe's DRM so that in theory publishers can use either version of the DRM. As of right now all the Readers out there use Adobe's DRM and in order for them to work with B&N's DRM too the Reader's firmware would need an update. B&N's firmware on the Nook will be the updated software so it will read both versions of the DRM.



Here's the explanation that Jim Lester, from Adobe, posted earlier...
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Originally Posted by Jim Lester View Post
The Adobe/B&N joint press release is here:
http://newsblaze.com/story/200910201.../topstory.html

The summary is this:
B&N will be using their current flavor of DRM (content locked to a user name/CC#) for selling ePubs from their store.

B&N has licensed this scheme to Adobe for inclusion in the RMSDK (Reader Mobile SDK – it’s the ePub/PDF engine we license to device manufacturers) and ACS (Adobe Content Server).

Adobe in turn has licensed the RMSDK (that includes this method as well as our current method) to B&N, who is using it to implement ePub/PDF rendering on the Nook.

Other RMSDK customers will get this as part of the 9.1 release of the RMSDK (early 2010). When those customers choose to include it on devices/firmware upgrades will be up to them.

ADE 1.7.1 (the current version) does not support the new DRM format, but we do plan on releasing a version that does (and no there is no publicly released date for that version of ADE available yet).

This will cause confusion in the short term about what will work where as we get everyone (including us) ramped up, but the long/medium term goal is that from a customer perspective – it’ll just work.
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Old 10-27-2009, 11:50 AM   #6
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Quote:
Originally Posted by questionfear View Post
Sony is using a general DRM that is not proprietary.
It is proprietary, developed and controlled by Adobe. But being the only DRM scheme up to now, it's relatively widespread and "standard".

Quote:
So as long as Barnes and Noble supports generic ePub, they can read Sony books, but Barnes and Noble's special ePub locks their books to their software.
Not "generic" ePUB, but Adobe's DRM for ePUB. The ePUB standard does not define a preferred DRM and in principle any company could develop its own DRM and it would still be ePUB-conforming. Adobe came up with the first DRM and any device that supports DRM ePUB in fact supports Adobe's DRM ePUB (because it's the only existing one). Now B&N have developed a different DRM, and the chaos will start
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Old 10-27-2009, 03:25 PM   #7
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You guys are awesome, thanks for being patient and clearing up my confusion!
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Old 10-30-2009, 01:48 PM   #8
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Quote:
Originally Posted by AnemicOak View Post
Once Sony gets their store switched over to ePub their books should be readable on any device that does DRM'd ePub, including the Nook. On the reverse side once B&N switches to ePub their books won't work on any other device that does DRM'd ePub unless the device manufacturer puts out an update.
I would think if B&N wants to sell more eBooks that they would allow you to pick which flavor DRM for the ePub you buy. Otherwise, a lot of sales will not happen for B&N.
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Old 11-03-2009, 06:33 PM   #9
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I would think if B&N wants to sell more eBooks that they would allow you to pick which flavor DRM for the ePub you buy. Otherwise, a lot of sales will not happen for B&N.
I am not so sure. I suspect that the only change will need to be done by Adobe themselves. They could easily switch the DRM on the PC depending on the device they are attached to I think. However, I believe the loaning feature will depend on the B&N DRM scheme as it can't be tied to a device.

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