Bluray quality vs Mkv Quality

Discussion in 'Blu-ray & DVD discs' started by AidenL, Feb 28, 2014.

  1. AidenL

    AidenL
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    I'm just wondering, as I have actually ripped a lot of my blur ays to Mkvs, am I actually losing anything by doing so.

    I know that most of us who rip to Mkvs do it so extras, ads and so on can be removed and that we can go straight into the main feature.

    However, I wonder, am I missing anything?

    Is it correct to say that an uncompressed blurry rip to Mkv is exactly the same audio and picture quality as the original disc? I assume so.....

    Is there any loss when watching on a 104" screen or larger for example? Again, I don't think so, but I'd love if someone could verify this?

    I'm wondering, is bluray heading the way of vinyl, just physical media, with no measurable benefits - apologies if I have offended any vinyl fans btw. Just drawing a comparison.
     
  2. Indiana Jones

    Indiana Jones
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    If it's just a rip with no re encoding taking place then the quality will be identical.
     
  3. AidenL

    AidenL
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    Thats what I thought - so basically the physical media has no advantage whatsoever?

    Its good to know - a 1080 rip, with the HD audio track is just as good - only thing is , I'm at 12Tb at the moment and climbing - I'll need a bigger NAS soon !
     
  4. hippo99

    hippo99
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    What sort of advantage were you expecting? It's the same file being played back whether it's played from disc or HDD.

    It's like asking will my hotdog taste better if I eat it on the bus or if I eat it in my car?
     
  5. AidenL

    AidenL
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    Yep, i get that - same food, different container ;)
     
  6. hippo99

    hippo99
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    The only difference (doesn't affect quality) is if you drop your disc 1m onto carpet it'll be fine. If you drop your HDD, bye bye HDD:(:facepalm:
    ;)
     
  7. AidenL

    AidenL
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    Ok, one further question - this is more down to hardware then the media - take something like an Oppo 103 versus a HTPC - the Oppo will be a fixed output from machine to machine, whereas each HTPC will be unique.

    Whats the thinking on the usage of an Oppo to stream versus a HTPC - does anyone stand taller, or will they be the same, if calibrated by use of a Spears and Muncil disc or a an ISF calibrator?

    Again, I'm expecting virtually no difference - am I correct again?
     
  8. figrin_dan

    figrin_dan
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    I find problems with subtitles when playing back mkvs from Blu-ray, I assume that's down to the media player though.
     
  9. Pecker

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    Which player?

    Steve W
     
  10. probedb

    probedb
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    What do you mean unique? You can mess with the video output of an Oppo as well as you can an HTPC. If you use the same playback software on any machine with the same video hardware (or not) the output should be the same.
     
  11. AidenL

    AidenL
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    I'm working under the impression that every Bluray player will have the same VP chip, whereas each HTPC, might have Intel or AMD integrated GPUs, or a dedicated graphics card, therefore output video could be different?
     
  12. hippo99

    hippo99
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    Each Blu-ray player manufacturer will have their own VP chips. Some models might share the same chip, but some will be better than others & have different features.
     
  13. AidenL

    AidenL
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    Yes, of course, but what I'm getting at is that all Oppos for example will be consistent in output if settings aren't altered, whereas each HTPC would most likely output differently?
     
  14. figrin_dan

    figrin_dan
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    Ah, mobile view doesn't show signatures. It's a Popbox 3d, I think the software is the same as the Popcorn Hour A-200. Usually subs either come on too early or too late and go off too early or too late. Also it has its own contrast/brightness etc settings which can really mess up the picture.
     
  15. Trollslayer

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    Also even with the same chip VP parameters can be tweaked. Some higher end players have the same chip as other but VP is tweaked to suit their style.
     
  16. AidenL

    AidenL
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    Well maybe a Source Direct mode leaves the output signal untweaked?

    Seems theres just very little consistency ! Maybe my HTPC is ok then :)
     
  17. probedb

    probedb
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    Different manufacturers use different chips, they're no more unique than PCs. As I said PCs can be the same or different for the same reasons. Two PCs with two AMD/Nvidia cards of the same generation will likely give identical output if using the same software.

    If your HTPC is nice and easy to use then there's no reason to ditch it, but you won't be getting any major differences in picture from a hardware player.
     
  18. Trollslayer

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    As in my post above, there are video processing characteristics that get tuned or just left at the chip manufacturers reasonable defaults.
    Certainly a PC should be as good as a decent quality Blu-ray player.
     
  19. skinnywhippet

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    I've recently built a decent quality htpc for my 106" screen. The video quality is good but im of the opinion my dune bd prime was better video quality. Not a massive difference but still a bit better (Sold it now)
     
  20. skinnywhippet

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    That's using xbmc and arcsoft tmt5 as well
     
  21. everett_psycho

    everett_psycho
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    We've got a revo acting as a receiver from a server with Plex full of uncompressed rips but there is something nicer about using the disc on our Sony player, its not massive but it just looks a bit nicer and I'm not even sure why
     
  22. Trollslayer

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    There are a number of video processing filters after the decoder in a player than even with the same filters changing settings can make a difference, this is what happens in a S760 or S790.
    It makes a difference.
     
  23. AidenL

    AidenL
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    And that takes me back to wondering would Mkvs look better played back on an Oppo 103.....
     
  24. probedb

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    Why do you think that?
     
  25. djjimbob

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    What is decoding the MKV? So any old PC with a HDMI connection and ability to bitstream can do the same as high quality chipset in a blu-ray player?
     
  26. probedb

    probedb
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    MKV is a container not a video codec. The MKV contains the same video stream from the Blu-Ray assuming there was no recompression. In very simple terms all a chipset is is a computer program doing one task so I don't know why people think that a computer can't do exactly what a hardware player can do. All modern video cards can do bitstreaming over HDMI and it's down to the software and drivers as to what the output is for video. It's just far easier to buy a hardware player as it requires little to no setup and knowledge.
     
  27. djjimbob

    djjimbob
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    Yes, by decoding I meant sending to the TV/AV in a format it can understand.

    So are you saying there is nothing a high-end chipset can add? Error handling, sampling rates, dynamic ranges etc etc?
     
  28. everett_psycho

    everett_psycho
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    I think any differences will be down to your player, if your player passed it through enhancers or anything to tweak the files it will loom different, it's not really any different to saying will my £20 blu ray player look as nice as a £400 one. On a htpc it would likely be software enhancements though, if they aren't geared up to do the same things a blu ray player does to the mkv it will look different, but you'd get the same results using the disc in the same computer
     
  29. djjimbob

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    So the software has got to be capable of doing what the chipsets do... but in software.

    An emulated 'thing' can never be as good a hardware 'thing'. That's a fact.
    A piece of software is somewhat dependent on the hardware running it. Another fact.

    Therefore, hardware wins out every time.
     
  30. hippo99

    hippo99
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    Hardware without software is just a piece of silicon, plastic & metal. That's also a fact.
     

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