Phase switch on every track in the mix window

Rank 6
Idea#24

Stage: Active

Campaign: Pro Tools features

Would make life so much easier, especially when recording with multiple mics.

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788 votes

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  1. Comment
    loatfield

    Sorry guys, I'd rather not give up DSP on every track for this. Even though I'd probably even buy such a nice variable phase shifter.

    1 Agreed [ Vote up ]
    0 Disagreed [ Vote down ]
  2. Comment
    Bortraws ( Idea Submitter )

    I think playing the audio out of phase won't cost any CPU power at all. The free 'Sonalksis FreeG' plugin does phase switching in real time and it doesn't introduce any plugin delay. Many other DAW's have phase switching and i doubt whether it costs them much CPU overhead.

    But if it does cost CPU power, PT could always render an out of phase audio file for the Regions on the track in the background. Which would only introduce a very short calculation moment at the time of pressing the Phase switch for the first time. If it buffers the rendered out-of-phase file in a Phase Files Folder you can switch back and forth.

    But again, i really don't think a phase switch will cost us CPU power. And the benefits are tremendous. Especially when recording drums, or any other setup using with multiple microphones.

    0 Agreed [ Vote up ]
    1 Disagreed [ Vote down ]
  3. Comment
    chabb

    The best would be an oriented object phase switch allowing region to be turn out of phase independently.

    Oriented object is flexibility

    Oriented object is futur

    Oriented object "parce que vous le valez bien"

    0 Agreed [ Vote up ]
    1 Disagreed [ Vote down ]
  4. Comment
    Bortraws ( Idea Submitter )

    I would like to see it both ways.

    A phase switch for the whole track plus the option of putting selected regions out of phase with a real-time region effect.

    Of course we can already put a region out of phase via an audiosuite plugin but I'd rather have it non-destructive per region in real time.

    But first and foremost I want to see it as a function for the whole track.

    2 Agreed [ Vote up ]
    1 Disagreed [ Vote down ]
  5. Comment
    Andre Knecht

    My take on this is that I would like comprehensive “signal optimization” features made available on tracks. Yes, a Polarity switch. But I also miss not having built-in Trim. While we’re at it, I want the track’s metering scale to adapt to the chosen headroom preference (in my view, this is all part of the same general functionality topic).

    Perhaps this could all be implemented as a plug-in which is conceptually similar to how Heat is implemented (except that it has to work on Aux tracks also).

    1 Agreed [ Vote up ]
    1 Disagreed [ Vote down ]
  6. Comment
    samlittlemore

    Just add a few basic buttons to the main toolbar for region based editing - Gain, Pitch, Phase Invert and Reverse. They should be integrated rather than just in Audiosuite.

    0 Agreed [ Vote up ]
    1 Disagreed [ Vote down ]
  7. Comment
    Bortraws ( Idea Submitter )

    Those buttons could be nice albeit perhaps an extra clutter for the interface. Still, what you suggest won't help judging a live m/s mic input or the top and bottom snare mic signals that you're about to record.

    Of course you can fix things later, but getting the best sounds by optimally placing your mics demands a live phase switch like those found on the channels of an analog desk.

    0 Agreed [ Vote up ]
    1 Disagreed [ Vote down ]
  8. Comment
    Bortraws ( Idea Submitter )

    Avid, The new Channel Strip plugin is not an equivalent of having a dedicated Phase switch on a mix channel.

    1 Agreed [ Vote up ]
    1 Disagreed [ Vote down ]
  9. Comment
    scanada

    Of course, it would need to be per channel of the track, not just the track as a whole (for multi-channel tracks), especially given how bad their signal generator is in staying in phase with itself (either on the other side of a stereo track or in relation to an adjacent track with tone on it).

    0 Agreed [ Vote up ]
    0 Disagreed [ Vote down ]
  10. Comment
    Ryan Tablada

    AS is the best way to do phase as it renders and frees up CPU. However the new PT10 Channel Strip is CPU light and has Phase right there. When I go to work on a session, I put it on every track and I have crisp gain, phase, DYN, and EQ all in one simple plug.

    0 Agreed [ Vote up ]
    0 Disagreed [ Vote down ]
  11. Comment
    py

    I agree this belongs in the basic set of channel strip controls. Instantiating a plug-in to accomplish this is silly.

    1 Agreed [ Vote up ]
    1 Disagreed [ Vote down ]
  12. Comment
    Keith Jex

    I do this on my preamp when recording. I just know from the beginning, to phase switch my snare under channel. If you need to reverse the polarity it wouldn't be for many channels so doing it within a plug in like the standard EQ is not that big a deal.

    1 Agreed [ Vote up ]
    0 Disagreed [ Vote down ]
  13. Comment
    Chris Sanders

    We're talking about two different things here. A polarity inverter will reverse the positive and negative amplitudes of the waveform, whereas phase deals with time differences between waveforms. What most people call a "phase" inverter is actually a polarity inverter.

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    Comments on this comment

    1. Comment
      tomscrivano

      I agree with you. Technically, it should be called a polarity switch. The confusion is caused by use of the phase reversal symbol (a circle with a slash through it) instead of the polarity reversal symbol. The polarity reversal symbol looks something like this: < o > except that it should be depicted vertically instead of horizontally.

      0 Agreed [ Vote up ]
      0 Disagreed [ Vote down ]
  14. Comment
    Bortraws ( Idea Submitter )

    Chris is right. I'm not requesting for a variable phase knob. With a polarity or phase switch (many desks actually call it the phase switch) your positive amplitude becomes negative and the negative amplitude becomes positive. That's all I want. Very handy and quick when mixing drums or doing M/S stuff.

    0 Agreed [ Vote up ]
    0 Disagreed [ Vote down ]
  15. Comment
    johnsiket

    I'm sure it's been said already, but I always put the "Trim" plugin on the first insert of every channel of every session. I like to trim levels (since most people record way too hot these days), and I can check phase with it. Thanks.

    1 Agreed [ Vote up ]
    0 Disagreed [ Vote down ]
  16. Comment
    noise.lab

    Why wouldn't you put it somewhere near the front of the input stage just like on a regular mixing desk? I suppose that if you really wanted to get fancy, you could make its location in the signal chain selectable, but I'd be happy with a button on each channel of the mix window that flips phase somewhere in the input stage just like on a regular desk. Where's the downside besides channel/screen real estate?

    Is your argument that it should be in the effect loop section or that you want the location somewhat selectable - like it can be depending on where you put the trim plug-in in the order inside the effects loop?

    0 Agreed [ Vote up ]
    0 Disagreed [ Vote down ]
  17. Comment
    Bortraws ( Idea Submitter )

    I'd also say right at the input stage so you can change the polarity of the incoming signal. Maybe just a little phase symbol next to the Input Selector.

    To keep the interface clean you could have an option underneath the Input Selector drop down menu that you can select on and off. But I'd rather have a switch in the interface that clearly and instantly shows that the input has its polarity switched.

    0 Agreed [ Vote up ]
    0 Disagreed [ Vote down ]
  18. Comment
    Bortraws ( Idea Submitter )

    You could give the Phase Button different colors when it is on. What about being able to click the button multiple times or by using a modifier key to change the position of the polarity reversal.

    - Gray (polarity is original)

    - Orange (input polarity is flipped)

    - Purple (output polarity is flipped)

    Or whatever other colors better fit the interface.

    0 Agreed [ Vote up ]
    0 Disagreed [ Vote down ]
  19. Comment
    D 4 T 4

    ∅ PHASE INVERSION. On every channel strip on board pro tools. It would be genius for the following critical reason. ABSOLUTE PHASE Matching. After playing with Reaper and seeing how it would effect my work flow, it would be outstanding to see it come together, Reel

    0 Agreed [ Vote up ]
    0 Disagreed [ Vote down ]
  20. Comment
    tomscrivano

    Technically or electrically speaking, it should be called a polarity switch since that is what actually happens on an analog console/mixer.

    0 Agreed [ Vote up ]
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