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  1. Mikethomas1954 says:

    [/QUOTE]
    Ive found that when a non finalized DVD is moved to another machine, that machine needs to record anything ,even 30 seconds of anything,if there is room on the disc, then THAT machine will finalize the disc, my experience is only with stand alone DVD recorders,not PCs.I bought 2 magnavox DVD recorders with COMPONET video inputsmodel MRV 660. The last machine to record on the disc will be able to finalize it.Thats been my experience, many times. Mike[/QUOTE]

    @mikethomas1954 (or any other reader). Nero does that as well, apparently. That is, adding something (even a dummy file) before finalizing a pre-existing multisession disc, assuming there is still empty space. Can anybody confirm?

    Carlos Albert
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  2. Member Cornucopia's Avatar
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    Why are you trying to finalize? Don't.
    Just get ISOBuster and access the data you need from there. If you need a playable disc, pull off the data and then burn to a new disc, finalizing at at once.

    Scott
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  3. Using Nero to finalize orphaned recorder discs an old old trick: sometimes it works, sometimes not. If it fails, you may completely destroy the disc.

    As far as using a different recorder (brand) to finalize a disc made on another brand recorder, via the trick of adding another small recording first: no, this won't usually work. Different recorder models from the same brand, or different brands of the same recorder design (i.e. Phillips, Magnavox, Sylvania, Sanyo, Funai, later Toshiba) can finalize each others' discs (no need to add another recording first). But if you put an unfinalized disc from one brand recorder into a completely different recorder design (say a Sony disc into a Panasonic), that recorder will usually refuse to read it at all, displaying "Cannot Play This Disc" or "Cannot Use This Disc" or "Disc Not Recognized", etc. If a recorder displays such an alert, it will not engage record mode to make the "tiny extra recording" you describe above. If you do not have another unit from the same brand of recorder that made the unfinalized disc available, you'll need to try tools like Nero (or preferably salvage the contents with a utility like ISObuster).

    Some software players like PowerDVD and VLC can play many unfinalized discs on your Windows PC: if no other option is available you can do a screen cap from that (or perhaps play the video out from the PC into another recorder or capture device).
    Last edited by orsetto; 13th Jan 2021 at 11:30.
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  4. Thanks to Cornucopia and orsetto for the replies! The reason why I am interested in this topic is just to learn how a software (or perhaps any software) works at it pertains to finalizing a previously unfinalized multi-session disc. If I understand correctly, the way to achieve this is to add an empty session and then finalizing the disc. In other words, it is not possible to finalize a disc without actually being in the burning step, or, I should say, finalizing a disc is only possible while burning something (even an empty session). Am I correct in my assumption? Please note that I am talking about softwares only; I am not sure about standalone recorders, though probably they work the same.

    Carlos Albert
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  5. Member Cornucopia's Avatar
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    When burning in sessions or packets (aka incrementally, and not all at once) and not finalizing, there are "linking" sectors that the recorder/burner uses with which to connect back up to for continuing the burn later. These linking sectors (which use up a very small amount of space and aren't available for userdata) vary in their length and in the data that is put in them to signify their identity. Since they vary, only the recorder/burner that created them knows intimately what the information should be expecting and would know where they left off and how to connect back up. Kind of like a ragged tail end of a DNA that needs the same (or complementary) lead end to connect to it.

    Note: this is INTERNAL to the workings of the recorder/burner, and is not available to be programmed, so don't even try to go down that route.

    If the different burner/recorder can RECOGNIZE the unfinalized disc, it may or may not be able to add to it (depending on if its writing strategy is similar enough). And depending upon the programming, it may or may not be able to "carry forward" the TOC contents from the previous packets/sessions into the new section. If all 3 of those things are true, then when it finalizes, whether you add an empty session or fill it, it should work. But that's a LOT of ifs.
    On the original burner/recorder, finalizing ought to be possible without needing a subsequent session. As a general rule - YMMV.


    Scott
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  6. Hello, Scott!

    You are saying (the most important discovery for me): "On the original burner/recorder, finalizing ought to be possible without needing a subsequent session. As a general rule - YMMV."

    I didn't know that, Scott. And, yes, I understand we are talking in general terms here, and there are exceptions, but I thought that it was "always necessary" (and in "any scenario") to add something like a session (or empty session) to a pre-existing unfinalized disc in order to finalize it.

    Thanks,

    Carlos Albert
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  7. Member Cornucopia's Avatar
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    A number of past recorders I have used have had a separate "finalize" function option apart from other options like "new session", and if memory serves, they did not generate new sessions to achieve that. But it has been a decade or more, so maybe memory doesn't serve any more. That's one of the reasons I said YMMV.


    Scott
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  8. Your memory is still good, Cornucopia: standalone dvd recorders always had a distinct "Finalize" function but never "Add Session" as a prerequisite or named function. Some recorders could be set to automatically finalize a disc when the first recording ended, but typically you would keep adding recordings to the disc until you either filled it or did not want to add anything more, then manually invoke the "Finalize" function.

    Mfrs tried to make dvd recorders work as much as possible like VCRs. So "Add Session" was never seen as a named function, Disco Makberto, as it was unnecessary: adding a session was automatic each time the physical "record" button was pressed. But a recorder could not know when you were ready to finalize until you went into the function menu and chose that option.

    Many, many consumers just could not understand the necessity to finalize: the concept was foreign to their experience with VCRs. Since a dvd recorder is able to play its own unfinaliized discs, owners assumed such discs were properly made. If they owned only the recorder, did not own a separate standalone player attached to a second TV, and did not share dvds with other people, often years could go by before they noticed their unfinalized discs were a problem that would not play on anything else (sadly, usually after the recorder that made them was broken /discarded).

    Mfrs share some responsibility for this: every recorder should have displayed an on-screen prompt to finalize each time the stop button was pressed after each recording. But unfinalized discs would still have been a problem anyway: we humans can be remarkably stubborn or resistant. A large number of threads I've seen over the years asking how to fix unfinalized discs came from owners of recorder models that DID constantly remind them to finalize after each recording.
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  9. Member Seeker47's Avatar
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    This is a somewhat different subject, but I did not notice another relevant thread (preferably containing some semi-recent replies) in which to put it.

    Hi orsetto,

    As a fellow longtime Pioneer DVDR fan, I probably should have remembered about this, but it's been quite some time since I dealt with the particular function. The recorder in one location has just 10 hours of space remaining -- at the default MN21 or SP setting -- and I've not had time to offload material from it to clear some space. I needed to capture a program from the sat box at around MN30, so I thought why not do this directly to a RW DVD, thereby not further encumbering the overly full recorder HDD. This went O.K. -- at which point I rediscovered that you cannot then do any edits to the recorded disc; all you can do is maybe change the Title and finalize. And I'm kind of wondering Why, and was that pretty standard among DVDRs ? I vaguely seem to recall a time before I got into the Pioneer DVDRs, with a couple other (no HDD) recorders (like the Polariod 2001 ?), that maybe had no such limitation ? Or am I mistaken ?

    It ultimately did not matter: I needed to turn this disc into a single .MKV file anyway, which I did on the computer, after making a few small but necessary trims.

    One other, unrelated item. Prior to taking care of this job, I had a very brief power failure on that electrical circuit. When next turned on, the Pio DVDR came up with an "Errors have been corrected" message. What's up with that ? Did this have something to do with the power event, or was it to do with the unit's HDD being relatively full ? If anything occurred that I should be concerned about, it has not become apparent yet.
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