So the plug-in I used for a specific mastering project simply wasn't enough for me and there is no alternative, need one created and you're the right developer for these kind of things

Its actually simple, a multiband m/s processor...idea is like an eq but rather than gain (when listening a stereo track mono) it carrys frequencys to mid or side.

For example: If I move freq.s (by crossover) from mono between 1 khz to 3 khz to the stereo, when listening mono these frequencys will be heard less (like gain decrease with eq).

But besides carrying, these bands also need gain control too, for example: I did when I wrote in previous example but when listening the track stereo, 1 to 3 khz at stereo channel is too high; I might need to decrease these freq.s with a gain control.

Benefits: master can sound better in mono, end result sounds more natural than eq, better stereo separation (when used together with a "widener" stereo processor) and can be very useful for restoration.

I was thinking the gui could look like an eq...anyway if it makes sense to you let me know to provide detail if needed

Isn't MStereoProcessor what you are looking for? Sounds like it

Wish it was but no, try; open a stereo track in DAW, select mono output in daw or plug-in, place MStereoProcessor...when using parameters gain (or feeling of gain) of selected frequency range does not change (increase or decrease) so basicly it doesn't "tune".

Notice I'm looking more for a "stereo placer" not a widener.

Simple example; you have 3 tracks 1 is vocal and other are 2 guitars hard panned left-right. In mono you'll only hear vocal, if you "monoize" it will sound smaller when listening stereo and vocal can be clouded...but if you blend certain areas of guitar tracks to mono it potentially can sound much better than any other solution...But sure I have more complicated things in mind so need more bands.

Hmmm, I don't really understand. You are talking about some moving crossover with pitch-detection? Or what is the thing that you cannot do with MStereoProcessor??

On a stereo track; With use of crossovers, I would like to carry audio in stereo/side (as in m/s) to mono/mid and other way around. No need for moving crossover or pitch detection.

With MStereoProcessor one can widen but cannot exchange information between m/s. I'll send pm or if needed you can send me a track so I can demonstrate what I mean.

Why don't you record 2 quitar takes and pan them left-right. Or if it's a copied sample then use pitch shifter for the copy or both, then it doesn't disappear when mono. If it's your clients song then you should ask for a correct mono compatible version.

That example was to explain design, not purpose. Also I use it strictly for mastering.

I use this approach like eq, simply sending unwanted info on mid to side; since side signal is almost always more silent than mid, whatever I send to the sides add width to the song.

Like; if you decrease 1 khz with eq in mono, simply you hear less 1 khz. With this approach you decrease the 1 khz again in mono BUT enhance side signal.

I use this technique to fix frequency balance, not to widen a track. But side benefit is track gets better phase relationship and as result widens sonically in the most natural way.

Let me take one more shot with another example:

Decreaseing 1 khz with m/s eq in only M: M signal losses gain 1 khz, S signal stays the same (1 khz area not changed).

What I want (decreaseing 1 khz with m/s in only M): M signal losses 1 khz, S signal is added 1 khz;

But this isn't gain thats added (gain control must be separate), its the sonic material that comes from M.


So GUI I have in mind is just like a reqular eq but when x band is increased it takes info from sides to mid, when x band is decreased it takes from mono to sides.

Well, to me it sounds like you have problems that should be fixed before mastering stage. Good luck.

Thanks but I don't record or mix (at least lately), I just master others songs and very often stem might not be an option (cause of person/bands financial or time limitation)

Well, I'm still not sure here as this seems like "you want width from MStereoProcessor, which doesn't affect gain" (moving M signal to S and back is exactly the purpose of widening). Is that correct? (sorry to ask all the time, it's just that your explanation seems a little overcomplicated)

Yes and no

Yes; I want to move ("blend" would be better term) M signal to S in multiband. But I want M signal to be able to silence if I turn a knob 100% (and vice versa; S signal silence when knob turned -100%) since all M sound is now at S. Thats why an independent gain knob is needed.

No; I have to be clear about this, the aim isn't for widening. It sounds almost like eq'ing so I see MStereoProcessor as a very different tool to how I plan using what I'm trying to describe.

Ok, Cooker, I'm still a little confused here from your descriptions for some reason. So let's take it from the beginning - please try to "design" the plugin, tell me what controls does it have and what they should do (be very specific).