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Sound format terminology

Discussion in 'Archived Threads 2001-2004' started by Patrick Larkin, Aug 29, 2001.

  1. Patrick Larkin

    Patrick Larkin Screenwriter

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    Hi -- I'm working on my own database of DVDs and I'm trying to define acceptable values for the Sound Format field.
    so far, I have the following:
    DD 5.1
    DD 5.0
    DD 2.0
    Mono
    DTS
    My questions are these:
    1. Are there multiple kinds of DTS or is it just plain DTS?
    2. I have discs that simply state "Dobly Surround" (like Blue Velvet). Is that the same as saying DD 2.0?
    3. Any other formats that I obviously missed?
    Thanks.
     
  2. Keith_R

    Keith_R Screenwriter

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    I think 2.0 is the same as "Dolby Surround."
    -Keith-
     
  3. Derek Miner

    Derek Miner Screenwriter

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    Well, Dolby Digital comes in all sorts of combinations. In addition to those listed, I've heard of 4.0, 4.1 and 1.0 I'm sure any combination of channels with or without the LFE track is available.
    Mono may not be the right term for you, depending on how detailed you want to be. You could have Dolby Digital 1.0 mono, or you could have Dolby Digital 2.0 which is mono on both tracks, or you could have PCM mono.
    And then of course, some DVDs have uncompressed PCM stereo tracks.
    I'll have to let someone else weigh in on the DTS part.
     
  4. Patrick Larkin

    Patrick Larkin Screenwriter

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    OK, thanks.
    Let me rephrase the question. If you were entering your collection into a database, would you want to have a giant list of choices or would you just record something as MONO or the other 5 choices? I suppose I could put an Other field in there but that complicates searching and sorting.
     
  5. Anders Englund

    Anders Englund Second Unit

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    I'd suggest a couple more. If I enter a DVD as "MONO", I usually think of it as having a PCM mono track (vs "DD 1.0" or "DD 2.0 Mono")
    --Anders
    ------------------
    http://www.dvd1138.com/
    Ob me Deus cavet
    My movie collection
     
  6. Matt Perkins

    Matt Perkins Stunt Coordinator

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    I'd use three fields: one for audio format, one for main channels, one for LFE. Possible values are:
    Audio Format:
    PCM
    DTS
    Dolby Digital
    Channels:
    1 (mono)
    2 (mono)
    2 (stereo)
    2 (surround)
    3
    4
    5
    6 (EX)(Dolby Digital only)
    6 (ES)(DTS only)
    6 (ES discrete)(DTS only)
    LFE:
    Yes
    No
    [​IMG]
     
  7. Will_B

    Will_B Producer

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    If Dolby Surround _doesn't_ provide true "surround" sound, but Dolby 5.1 does, they should drop the name. It is too confusing.
    [Edited last by Will_B on August 29, 2001 at 05:37 PM]
     
  8. Joel Fontenot

    Joel Fontenot Supporting Actor

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    Isn't there a Dolby Digital 1.1?
    And, doesn't Battlestar Galactica use it to simulate the old Sensurround effect?
    Mono with a boom channel for extra rumble. It could find a place in Matt's "sound table".
    Joel
     
  9. Derek Miner

    Derek Miner Screenwriter

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  10. Will_B

    Will_B Producer

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    No, I am less confused. Thank you.
    Slightly off topic, I sort of wish menus would switch into whatever sound format the user selected from the menu, rather then remaining in...in whatever they are.
    I say this because whenever a disc starts I squint at my receiver to see if it succesfully changes from the lame prologic default to 5.1...so it would be nice to get this confirmation before the film began.
    I understand it would be yet another burden on the menu designers, but, it would be a nice frill, if any menu designers are reading this.
     

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