Match EQ parameters in Logic Pro for iPad

Match EQ parameters

•  Current Material Learn button: Start or stop the process of learning the frequency spectrum of the project you want to match with the source file or input.

• Reference Material Learn button: Start or stop the process of learning the frequency spectrum of the source file or input.

• Crnt/Ref Actions pop-up menus: Choose and execute commands from either the Current or Reference Actions pop-up menu.

  • Clear Current Material/Reference Spectrum: Clears the Current Material Spectrum or Reference Spectrum.

  • Copy Current/Reference Spectrum: Copies the Current Material Spectrum or Reference Spectrum to the Clipboard.

  • Paste Current/Reference Spectrum: Pastes the Current Material Spectrum or Reference Spectrum from the Clipboard.

• Match button: Match the frequency spectrum of the current material to that of the template (source) file.

• Phase pop-up menu: Choose the operational principle of the filter curve.

  • Linear: Prevents processing from altering the signal phase, but latency is higher.

  • Minimal: Alters the signal phase (slightly), but latency is reduced.

  • Minimal, Zero Latency: Adds no latency, but has a higher CPU overhead than the other options.

• Channel Link knob: Change the way the EQ curve is applied to stereo channels.

  • When set to 100%, both channels share a common EQ curve.

  • When set to 0%, a separate filter curve is applied for the left and right channel.

  • Settings between 0 and 100% blend these values with your filter curve changes for each channel. This results in a hybrid curve.

    Note: The Channel Link parameter is disabled when you use the effect on a mono channel.

• Smoothing knob and field: Set the amount of smoothing for the filter curve, using a constant bandwidth set in semitone steps. A value of 0.0 has no impact on the filter curve. A value of 1.0 means a smoothing bandwidth of one semitone. A value of 4.0 means a smoothing bandwidth of four semitones (a major third). A value of 12.0 means a smoothing bandwidth of one octave, and so on.

  Note: Smoothing has no effect on any manual changes you make to the filter curve.

•  Apply Amount slider and field: Determine the impact of the filter curve on the signal.

  • Values above 100% magnify the effect.

  • Values below 100% reduce it.

  • Negative values (−1% to −100%) invert the peaks and troughs in the filter curve.

  • A value of 100% has no impact on the filter curve.

• Fade Extremes button: Select to set an automatic high cut and low cut threshold. Matching signals above or below these thresholds are slowly faded to zero.

• Fade LF Bottom/Top sliders: Set the bottom and top frequencies for the filter curve that is applied to low frequency spectrum signals.

• Fade HF Bottom/Top sliders: Set the bottom and top frequencies for the filter curve that is applied to high frequency spectrum signals.