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MPEG-4 Audio Levels

Discussion in 'DIRECTV HD DVR/Receiver Discussion' started by ub1934, Oct 8, 2007.

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  1. ub1934

    ub1934 Icon

    518
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    Dec 30, 2005
    UpState NY
    Dont know if it has been asked befor but the audio levels are apx. 10 db lower then the same ch. in MPEG 2 SD , CNN , TWC , NBC . History Ch , SI FI Ch ,ect .
    My audio settings on SD MPEG 2 chs apx 21 on the same MPEG 4 chs it has to be upped to apx 42 , WHY ??
    This also holdes true for MPEG 2 HD chs like NBC East ch 82, CBS ch 80, ABC ch 86 & Fox ch 88
     
  2. litzdog911

    litzdog911 Well-Known Member

    12,202
    63
    Jun 23, 2004
    Mill Creek, WA
    The HiDef channels use Dolby Digital audio that provides for much greater dynamic range than the PCM audio used for most for the Standard Def channels. Therefore the average volume level tends to be lower for the HiDef channels.
     
  3. RandCfilm

    RandCfilm Godfather

    294
    1
    Aug 17, 2006
    I'm out of my forum here but I'll chime in. Just hope the audio is not like my HR10-250 OTA, your complaining about the volume difference during the show, don't worry, they will make up the difference during the commercials. The volume will be 10db higher, add that in with your current level and be ready to get blown away. At least this is my experience with OTA and a different receiver.
    As to your question as to why, as you can tell I can't answer that. I just wanted to bit** a little, as this volume difference really annoys me.
     
  4. Stuart Sweet

    Stuart Sweet The Shadow Knows!

    37,060
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    Jun 18, 2006
    Note: Thread title changed to "MPEG-4 Audio Levels"
     
  5. Stuart Sweet

    Stuart Sweet The Shadow Knows!

    37,060
    287
    Jun 18, 2006
    I can't find two channels of any type with the same audio level.
     
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