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Why DD 5.0?

Discussion in 'Movie Forum' started by alan8477, Jul 4, 2002.

  1. alan8477

    alan8477
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    Does anyone know what the logic is in producing Dolby Digital 5.0 discs? I have Rising Sun and a few others produced in this format. I am at a loss to know why having gone to all the trouble of producing the five sound channels that the bass is left out.
     
  2. Reiner

    Reiner
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    It's not the bass which has been left out but rather the dedicated LFE.
    Note however that the LFE may be contained in the front L&R channel, it's not always necessarily the ".1"!

    As well I think Rising Sun is quite old and thus the original may have only been in DPL, so to convert DPL to 5.0 is easier (whithout remixing, just splitting the channels) than recording a new 5.1 track. Just an assumption though.

    Another 5.0 disc which comes to mind: Speed (R1)
     
  3. Jase

    Jase
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    It is a bit daft but you´ll still get some bass coming from the speakers/subwoofer. Just not the .1 LFE channel.:(
     
  4. alan8477

    alan8477
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    Thanks for the replies. Sorry about my shorthand, I realise that there is still a full frequency range from the main speakers, though I think I am right in saying that with a 5.0 edition nothing will come from the sub unless it (the sub) is also connected to the main speaker outputs.
     
  5. Jase

    Jase
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    Depends what you have your speakers set to, small or large, sub yes/no.

    If they´re all small then all bass below a certain frequency is sent to the sub anyway. If all are set to large then you wont get anything out of the sub unless you have a sub that is wired in line with the fronts, but even so, the sub will only produce the low bass that the fronts can´t (working on the basis you have a sub that goes lower than your front pair).

    Or, as Reiner says, if they have the LFE mixed into the front channels you´ll pick it up that way.
     
  6. General Skanky

    General Skanky
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    ....or if I'm right about mine, set all speakers to large, bass management set to both speakers and sub, so both do bass. It would just be better with a .1LFE. Yes? No? I'll have to test that one out on a 5.0 disc.
     
  7. Jase

    Jase
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    Oops!:eek: Forgot about that one!:blush:
     
  8. General Skanky

    General Skanky
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    Silly Billy.;) :D
     

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