Quick Sampler One Shot mode in Logic Pro for iPad

Use Quick Sampler One Shot mode to play an audio file, or a portion of it. It provides fade in and fade out parameters. Notes run from the Sample Start to the Sample End marker regardless of when the played note is released on the keyboard.

One Shot mode is useful for adding effects such as a reversed portion of a sample played alongside the original, or fading in a slightly detuned version to double parts. Use Classic mode if you want to loop part or all of the sample.

Figure. Quick Sampler One Shot mode waveform display, showing start and end markers, fade in and fade out markers, and related parameters.

Quick Sampler One Shot mode parameters

Fade in/fade out markers: Drag the gray fade in or fade out marker to adjust the length of the fade at the beginning and end of the audio file segment between the start and end markers.
Tip: You can tap any marker handle to show parameter values below the waveform display. Tap at the left of the parameter display bar to revert to the default behavior and parameter view.
Start and end markers: Drag the blue start and end markers to set the sample start and end points for playback.
Root Key field: Drag vertically to choose a keyboard note value that is used to play the sample at the original pitch. Keys below this will play the sample at a lower pitch and slower speed. Keys above this will play the sample at a higher pitch and faster speed.
Tune field: Drag vertically to set a tuning value for the assigned root key in cents (1/100 of a semitone).
Playback mode buttons: Enable Forward or Reverse playback between the start and end marker positions. Loop markers are ignored.
Flex On/Off button: Turn Flex mode on or off. If Flex mode is turned on, an audio sample is played at its original speed for all note pitches. See Use Flex in Quick Sampler.
Follow Tempo button: When Flex mode is active, turn on to follow the project tempo.
Tip: The Functions > Derive Tempo from Loop Length command in the More menu calculates a tempo for the audio file based on the Loop Length. If using the Follow Tempo button does not yield the desired results, you can choose this option to calculate a revised tempo at which the loop is aligned to the beat. See Quick Sampler More menu.
(Flex) Speed pop-up menu: When Flex mode is active, choose a playback speed division or multiplication value.
Tip: Flex Speed is also available as a modulation target.

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Logic Pro User Guide for iPad

Quick Sampler One Shot mode in Logic Pro for iPad

Quick Sampler One Shot mode parameters