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Forums     Plugins     PHA-979 All-Pass Filters


Most of the audio CDs in my music collection have different amounts of phase shift in the left and right channels.  I am glad that the all-pass filters in the PHA-979 have independent controls for each channel.

The PHA-979 has a single dial for each all-pass filter that controls the amount of negative or positive phase shift.  Can anyone recommend a VST all-pass filter that also has adjustable center frequency?

Here is a link to the PHA-979 settings I use with the Joni Mitchell album "Blue." This is for the HDCD reissue (Reprise 2038-2).  You should decode the files from the CD before applying phase correction.

http://benhubbell.com/audio-restoration-project/PHA-979%20-%20Blue.png


I think you can use a chain of effects MSED Encode - PHA-979 - MSED Decode to apply phase shift to mid and side channel information.

http://www.voxengo.com/product/msed/

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