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Activity Forums Audio LO RO from discreet 5.1 tracks

  • LO RO from discreet 5.1 tracks

    Posted by Peter Groom on December 9, 2010 at 12:49 pm

    Just canvassing opinion on how much (if any) people think the LFO track should be downmixed mixed into a stereo LO RO. Ive seen lots of comments suggesting -10db, but also some that suggest dropping it all together.
    Current settings are L-L R-R Ls-L (-6db) Rs – R (-6db) C – L+R (-3db) and .1 to ??

    Any thoughts

    Cheers

    Peter

    Peter Groom replied 15 years, 4 months ago 3 Members · 2 Replies
  • 2 Replies
  • Jean-christophe Boulay

    December 9, 2010 at 2:42 pm

    There are two schools of dealing with the LFE channel on the mixing end, so there could be two good answers to this. It will depend on the material you have in hand.

    Either the mixer removed the bass from the full-range channels and sent it all to the LFE himself or he mixed for bass-managed systems by leaving some bass in the LCR channels so the end-user’s amp routes that bass to the LFE through its bass management system. The first option has a lot more traction these days, but I still see some mixes with quite a lot of bass in the full-range channels from time to time.

    If you listen to the individuals L, C and R channels and there is some material below 250Hz, you could probably drop the LFE channel. If those channels don’t contain bass material, you should include the LFE in the downmix. In that situation, -10dB should be good.

    IHTH,

    JC Boulay
    Technical Director
    Audio Z
    Montreal, Canada
    http://www.audioz.com

  • Peter Groom

    December 9, 2010 at 9:49 pm

    HI JCB
    Thanks for your input.
    Ill have a good listen and play.
    Cheers
    Peter

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