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Panning of Stereo Sources and stereo buses


norfolkmastering

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I recently wanted to move a stereo piano track (recorded from a Yamaha CP33) a bit to the right of centre to sit better in a fairly busy mix.  It's not something I would often do but it was what the mix needed.

I noticed that as I panned the piano right, that I started to lose a bit of the low end.

What I think is happening is that as I pan right, the right leg of the audio stays the same level but the left leg is reduced in level (so the sound of the piano is altered) .  In my thinking the standard pan function provided by Cakewalk is fine for mono sources and fine for balancing the relative levels of left and right legs (should they have been recorded at different levels) but that it doesn't act as a true stereo pan.

Thinking back a very long way to the 1970s, I remember that mixing consoles in the BBC (in London) used to have mixing consoles (analogue of course!) with dedicated stereo channels.  Each stereo channel included:

- An input stereo balance control, used to correct any unintentional misbalance between left and right audio legs (much the same as the input pan on Cakewalk buses)

- A stereo offset control used to move the stereo image left or right within the stereo field

- A stereo width control

From memory, the function of the stereo offset control was as follows:

As you e.g. move the stereo image to left of centre:

- the original left audio feed stays at the same level

- the right audio leg is reduced in level

- an amount of the right audio source feed is fed to the left audio

So in an extreme case, if you moved the stereo image fully left or right then you would end up with a mono version of the original stereo source

In practical use, it means you can move a stereo source a bit left or right of centre without changing the essential tonal sound of the stereo source.

I think that the stereo width control was also used to widen a slightly moved (from centre) image (which would otherwise lose width as its moved).

Another practical example would be an acoustic guitar recorded in stereo (maybe one mic pointing at the sound hole and a second mike pointed down the fretboard).

Treated as a stereo source, you would ideally want:

- an input balance control to set up the best sounding combination of the two mics

- a stereo offset control to be able to move the guitar left or right of centre without unduly changing that tonal balance

- a stereo width control to be able to set the desire 'width' of the guitar within the stereo image

So I guess I would pose a question.

Does the standard Cakewalk Pan Pot work as it should on stereo track sources and on stereo buses?

If not, would a stereo offset control be an improvement?

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F1 key didn’t work but I found the online help using a mouse right click.  That brought up the online help.


Channel Tools allows the left and right legs of a stereo source to be freely moved anywhere in the stereo field which is great.

It also has the facility to alter the width of each of the left and right legs of the stereo source but I don’t understand how this works?

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Some sampled/electronic pianos spread the keyboard over the stereo spectrum so that lower keys are more left and higher keys more right.  If you pan these one way or the other you can loose some of the dynamics.

If you don't have something like Channel Tools, you can:
1.  Record/freeze the synth and bounce the audio to mono
or
2. Split the piano to left and right mono tracks where they can be panned separately.

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6 hours ago, norfolkmastering said:

I noticed that as I panned the piano right, that I started to lose a bit of the low end.

 

This is a good thing. This mean you're creating room in that area and that frequencies were struggling to breathe there causing some muddiness. 

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11 hours ago, norfolkmastering said:

Do you know how I can get full documentation for this plugin?

On my rig, the Channel Tools help file “Channel_Tools.chm” file is in the same location as the dll itself.

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