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Difference in volumes on Bluray

Discussion in 'General Audio Discussions' started by bmwuk, Apr 15, 2018.

  1. bmwuk

    bmwuk Well-Known Member

    I note that when watching Star Wars The Last Jedi on Bluray that it seems more subdued at the same volumes versus some other movies like IT and The Dark Knight Rises. I know this has been the case with CDs in years past but are different Blurays doing this as well. The mix seems good but not the same oomph as the others mentioned. Am I wrong on this? Thanks .

    This the same Bluray player for all of them, my Oppo 103D
  2. Flint

    Flint "Do you know who I am?" Superstar

    I find all recordings tend to vary in average loudness, not just movies. You can blame mixing, like the different mix the DTS guys make, or the intentions of the director to set the desired mood, or just the faith a creator puts in winning the loudness war. But I would expect that if you choose a Dolby soundtrack and have calibrated your system to the standard reference level, then you should experience the same results heard in a thx theater.

    So, if you think a soundtrack isn't loud enough, turn it up. The nature of our hearing as described by the Fletcher-Munsen equal-loudness curve dictates that turning it up will inherently add "oomph" and "impact" to what you hear.
    Last edited: Apr 15, 2018
    bmwuk likes this.
  3. bmwuk

    bmwuk Well-Known Member

    Figured that was the case. Thanks
  4. rammisframmis

    rammisframmis Well-Known Member

    The average level of dialog is supposed to be mixed so that a level on the soundtrack master of -18db to -20db referenced to full scale digital will equal 85db SPL in the theater. That's the way its supposed to work, but obviously that sometimes breaks down in the real world. Also the perception of relative dialog loudness will be different depending on how its recorded and any signal processing like compression applied to it, even if the absolute levels adhere to the standards.

    Music mixing has no such standards for levels, so its the wild west on that front.
  5. Snake Doctor

    Snake Doctor Active Member

    Does that apply to all digital recordings, like a music or non-bluray CD?
  6. bmwuk

    bmwuk Well-Known Member

    He mentioned that in the last paragraph. The answer is no
  7. rammisframmis

    rammisframmis Well-Known Member

    What he said.....
    bmwuk likes this.

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