Audio Punch Recording

Punch recording is a technique that allows you to overwrite a portion of a previously recorded track, during playback, without touching any of the recording before or after that portion. You punch in to interrupt playback and make the recording, then punch out to return to playback mode.

Logic Pro offers two methods of punch recording:

Note: Only record-enabled tracks are affected by punch recording.

Audio Punch Recording on the Fly

You can use a key command during playback to engage recording—in real time, or “on the fly.” You use the key command again during recording to re-engage playback.

The advantage of punching on the fly is that you can hear the section that you want to replace within the context of what comes before and what comes after.

Given that recording occurs in real time—hence, there is no room for delay when switching between read and write modes—Logic Pro needs to be prepared for a recording at any time. This is done by using “Punch on the Fly” mode.

In practice, when “Punch on the Fly” mode is turned on, recording occurs in the background from the moment you start playback. If you don’t press Record, any recorded data is discarded.

To record on the fly
  1. Turn on “Punch on the Fly” mode by doing one of the following:

    • Control-click (or right-click) the Record button in the Transport bar, and choose “Punch on the Fly” from the pop-up menu.

    • Choose Options > Audio > “Punch on the Fly” in the main menu bar (or use the “Toggle Punch on the Fly” key command).

  2. Click the Play button in the Transport bar, then use the Record Toggle key command (default assignment:  Shift-*) at the point where you want to start recording.

    Audio recording starts immediately.

  3. Click the Stop button in the Transport bar, or use the Record Toggle key command a second time to stop recording.

    If you use the latter option, recording ends, but playback continues.

Note: You can also use the Record Toggle key command when Logic Pro is not in “Punch on the Fly” mode, but this will cause a delay when you switch between playback and record modes.

Preprogrammed Audio Punch Recording

Autopunch describes the automatic activation and deactivation of recording at predefined positions. The advantage of the Autopunch feature is that you can concentrate on your playing, rather than on controlling Logic Pro. Another advantage is that starting and stopping recordings can be set far more precisely than would be possible if punching on the fly.

The Autopunch feature can be used for audio, software instrument, or MIDI tracks.

To record in Autopunch mode
  1. Turn on the Autopunch button in the Transport bar.

    Figure. Autopunch button in the Transport bar.

    The left and right autopunch locators serve as punch-in and punch-out points. The autopunch recording area is indicated by a red stripe in the middle third of the Bar ruler.

    If both Cycle and Autopunch modes are active, you see a pair of locators in the autopunch area. Two stripes are shown in the Bar ruler:  the top (green) one represents the cycle area, and the bottom (red) one represents the autopunch area. These can be adjusted independently.

    Figure. Bar ruler with green cycle area and red autopunch area.
  2. Set the autopunch area by doing one of the following:

    • Use the autopunch locator fields in the Transport bar to set the autopunch area numerically. Note that the Sample Rate or Punch Locators setting in the Customize Transport Bar dialog must be active before you can see and set the autopunch locators (to the right of the standard locators).

      Figure. Autopunch locator fields on the Transport bar.
    • Alter the Autopunch range graphically in the Bar ruler, just as you would with the cycle area.

  3. Place the playhead at any position before the punch-in point.

  4. Click the Record button in the Transport bar (or use the corresponding key command, default assignment:  *).

  5. Stop recording by clicking the Stop button in the Transport bar (or press the Space bar).

A region that exactly matches the length of the autopunch stripe will be created. Any audio input received before the punch-in or after the punch-out points streams through Logic Pro as usual, but is not recorded.

Logic Pro will begin recording approximately one bar before the punch-in locator. This allows the start point of the region to be adjusted later, enabling you to hear the lead-in, if desired.

You can also recover the beginning of the recording if the performer slightly anticipates the autopunch area. Any such adjustments to the lead-in portion of the region do not change the position of the recording, relative to the time axis of the project.

Recording automatically begins at the punch-in locator, following the count-in, even if the playhead is positioned after the right locator when recording starts.

If Autopunch is enabled during recording, the Record button will flash while the playhead is outside the area encompassed by the punch-in and punch-out locators. This indicates that no recording is currently taking place.

Combining Cycle and Autopunch Recording

If you want to improve a difficult part of a certain passage, you can use a combination of the Cycle and Autopunch functions. Cycle mode recording allows you to practice as many times as you like before performing the final take. On each cycle pass, only events or audio that falls within the area defined by the autopunch locators is recorded. This allows you to make use of the preceding song section to “get into the groove.”

Recording with Skip Cycle

If Skip Cycle is turned on, the cycle area is bypassed during recording.