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Panasonic DMR-EH50 - FR mode dubbing failures

Discussion in 'Blu-ray & DVD Players & Recorders' started by RAB67, Aug 22, 2005.

  1. RAB67

    RAB67
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    A few months ago I bought a Panasonic DMR-EH50, which up to now has been an excellent machine. I chose this machine as it:

    Supported DVD+R
    Supported a Flexible Recording mode (which compresses a recording so it just fits a single disc)
    Was a Panasonic - and so hopefully would have stable software

    However, I am encountering a very high failure rate when it comes to archiving from the HDD to a DVD in FR mode. What happens is that after starting the dubbing a few minutes (or seconds) in the machine suddenly stops, reboots and announces "An error has occurred". The equivalent of an electronic shrug.

    Looking at my growing pile of coasters the results are something like this:

    (all DVD+R 8x in FR mode)

    Infiniti (MCC-003-00)............3 failed - 1 OK
    Infiniti (CMC MAG-E01-00)......1 failed - 2 OK
    Datasafe (CMC MAG-E01-00)..0 failed - 2 OK
    Fujifilm (RITEK-R03-02)..........1 failed - 1 OK
    Verbatim (MCC-003-00).........1 failed - 0 OK

    Note that this is with FR mode. Recording in Normal speed at the original quality (eg with the Fujifilm) I have had no failures.

    So the question is - is the EH50 very finicky in discs or is the FR software inherently unstable?

    Has anyone else had these problems?

    Richard
     
  2. Stuart P

    Stuart P
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    yeah i had similar failures with tdk dvd-r so i switched to verbatim from svp -

    {DV 3182} Pack of 5 Verbatim (8x) Pastel Coloured DVD-R (With excellent Taiyo Yuden dye) (Awaiting Stock)
    Probably one of the best quality DVDR discs in the world!

    ADVDINFO: .TYG..02

    not had one failure yet....& yes the fingers are crossed!

    cheers
    stuart
     
  3. RAB67

    RAB67
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    OK - I will give them a try. I'm not convinced that it's the disks though.

    Cheers,

    Richard
     
  4. HMHB

    HMHB
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    I tried to buy some of those pastel ones last weekend and there were none in stock so I bought a 100 spindle of the unbranded TY02 DVDs. I'll let you know how I get on with them.
     
  5. Rasczak

    Rasczak
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    RAB67,

    Just out of interest are you recording to the HDD in FR mode and then high speed dubbing to DVD+R or are you recording directly onto the disc in FR?
     
  6. RAB67

    RAB67
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    Neither!

    I record to the HDD in SP mode (with "rec for high speed dubbing" set to off)
    Edit out the adverts
    Dub to DVD+R with a dubbing mode of Normal Speed (FR)

    I am working with "rec for high speed dubbing" set to off as:

    (a) This is how it came out of the box
    (b) If I recorded with "rec for high speed dubbing" on, I would not be able to change the recording mode when archiving later.

    It may only work for me 50% of the time, but when it does it is stunning!

    Richard
     
  7. Rasczak

    Rasczak
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    Thats what I meant when I said recording directly onto the disc!

    You should try recording onto the HDD using FR - in the end you'll get better quality as it will only undergo a single re-encode. It sounds like it will also solve you problem as the EH50 will record at a faster speed onto the media.
     
  8. illustrator

    illustrator
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    I have a panny DMR-E100HEB that was doing odd things while dubbing to dvd-r, updating the firmware cured the fault
     
  9. Stuart P

    Stuart P
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    record to the hdd using 'fr' & then dub to dvd-r using 'fr' and the quality is better? i thought if i recorded to hdd using 'xp' i would get the best possible picture? not so rasczak?
     
  10. Rasczak

    Rasczak
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    If you record to the HDD in XP and then dub to DVD-R in FR (or SP, LP or EP) then you'll be getting a second generation copy as it will be simply be re-encoded as you burn to disc. Now whilst this will be a very good copy you can get better by recording to the HDD in a more appropriate recording mode and then high speed dub to DVD-R.

    If for example you are recording a series: each episode is 45mins with 15mins adverts - you want two episodes archived per DVD-R. If you record each episode to the HDD in Flexible Record mode set to 1hr 30mins and then edit out the adverts then the two episodes will completely fill the proposed DVD-R when they are dubbed in high speed to the disc. They will be first generation copies - and be marginally better than recording in XP, editing and then dubbing in FR.

    Obviously where this doesn't work is when you just want a single programme with adverts on the DVD-R. If you recorded directly in FR here then, once you've edited, you will have wasted space. Depending on how much space is wasted will depend on whether a XP to FR dub is better.

    For your information I have written a short dit on the subject here.
     
  11. RAB67

    RAB67
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    Thanks, I'll give it ago.

    I had done the maths and realised the need to "over-record" to get the compression you want.

    Bit of a pain if you want 3 hours on a disk. You'll have to record an additional 2 hours after your 1 hour programme just to get the compression right!

    R
    :rolleyes:
     
  12. jspr

    jspr
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    RAB67 - surely all you do is to stop recording after the 1 hour (or when the programme is finished) and the recording will have been done at the correct bit rate. Setting the time for 3 hours is purely so that the recorder knows the best bit-rate to set.
     
  13. Stuart P

    Stuart P
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    what about this Rasczak? both methods use the same original dvd title to start with

    method 1. dvd > hdd ('sp') then hdd > dvd-r ('sp')

    method 2. dvd > hdd ('xp') then hdd > dvd-r ('fr)

    will i get better quality using method 1 or 2 above?
     

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