Can I invert stereo sample inside my MPC?

Vocal removal technique. Can I do it only inside MPC4K ?

no this feature is not available in the sample edit window.

You can do it if you're clever -

make two copies of the same sample,
phase shift one by 180 degrees,
play them both at the same time,
and pan one till the vocals cancel.

how would you phase shift a sample inside the 4000 by 180 degrees?? Im interested in experimenting with this technique but dont really use software.....Would appreciate any explanation on how to phase shift audio in the box...

Many thanks

Slade