Imaging question

Discussion in 'Mastering' started by dpd, Sep 4, 2006.

  1. dpd

    dpd Active Member

    I have an old X/Y recording where an acoustic bassist in a folk group was on the right of a trio. Anyone have any ideas if I can center the bass - most of the power is in the R channel
  2. zemlin

    zemlin Well-Known Member

    Adobe Audition has a "Stereo Field Rotate" effect. Might be worth a shot.
  3. Boswell

    Boswell Moderator Distinguished Member

    Encode the track to Mid-Side. High-pass filter the Side channel. Decode it back to L-R stereo.
  4. zemlin

    zemlin Well-Known Member

    Bowed strings have oodles of harmonics. I wouldn't expect HPF on the side mic to center the whole instrument - just the bottom end of it. Might be a strange effects. Also, if a lot of the bass is in the side channel you might be cutting the level significantly with this technique.

    It's easy enough to try - I could be wrong, of course.
  5. Michael Fossenkemper

    Michael Fossenkemper Distinguished past mastering moderator Well-Known Member

    you could just bring in the image a little too.
  6. Boswell

    Boswell Moderator Distinguished Member

    zemlin wrote:
    Yes, exactly. However, bassists in acoustic folk trios invariably play pizzicato, and there is little harmonic energy, so the bottom end centres quite well using this technique.

    There's also a free VST plugin that uses this method:

    You do have to adjust the levels and maybe the EQ after the effect. The overall width can be reduced by lowering the side level and raising the mid level before decoding.
  7. Massive Mastering

    Massive Mastering Well-Known Member

    Some of the greatest folk-type recordings I've ever heard had the bass off-center.

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