Strip silence

How to Use Strip Silence to Remove Silence

Follow these steps to remove silent areas from your audio:

1. Select Audio Clips: Highlight the audio clip(s) from which you want to remove silence.

2. Open the Strip Silence Window: Go to Edit > Strip Silence in the menu bar or use the shortcut Command + U (Mac) or Control + U (Windows) to open the Strip Silence window.

3. Adjust Strip Silence Settings: In the Strip Silence window, adjust the following settings:

• Strip Threshold: Determines the level below which audio is considered silence.
• Minimum Strip Duration (Min Strip): Sets the minimum length of silence to be removed.
• As you adjust these settings, the Strip Silence rectangles will highlight the audio to be kept.
• For more on the Strip Silence Window parameters, check the section below.

4. Fine-Tune with Clip Padding: Adjust the Clip Start Pad and Clip End Pad to retain material immediately before and after the remaining audio clips. This ensures you don’t accidentally cut off important parts of the audio.

5. Apply the Strip: Once the Strip Silence rectangles encompass the audio you want to keep, press the Strip button to remove the silent sections. The new clips will automatically appear in the Clips List, and the silent areas will be removed from the selection.

How to Extract Audio Using Strip Silence

If you want to keep the silent areas and remove the audio instead, follow these steps:

1. Select the Audio Clip(s): Highlight the audio from which you want to extract silence.
2. Open the Strip Silence Window: Go to Edit > Strip Silence or use the shortcut Command + U (Mac) or Control + U (Windows).
3. Adjust the Settings: Modify the Strip Threshold and Min Strip Duration to identify the areas of audio to keep or remove. The rectangles will indicate the detected silence and audio.
4. Click Extract: Press the Extract button to remove the audio above the designated threshold and leave the silent portions of the track.

How to Separate Clips Using Strip Silence

To divide a long clip into smaller, distinct clips based on silence detection:

1. Select the Audio Clip(s): Highlight the clip(s) you want to separate.
2. Open the Strip Silence Window: Go to Edit > Strip Silence or use the shortcut Command + U (Mac) or Control + U (Windows).
3. Adjust the Settings: Set the Strip Threshold and Min Strip Duration until the silence rectangles appear where you want the clip boundaries to be.
4. Click Separate: Click the Separate button to create new clips based on the detected silence boundaries. The new clips will also appear in the Clips List.

The Strip Silence Window

The Strip Silence window provides controls to define what Pro Tools considers silence. You can adjust the settings to precisely manage which audio is removed or retained.

• Strip Threshold: Sets the amplitude threshold (from –96 dB to 0 dB). Audio falling below this threshold is considered silence and will be stripped. Audio above the threshold is retained and treated as new clips.
• Minimum Strip Duration (Min Strip): Determines the minimum length of silence (from 0 to 4,000 ms) that must be present to be removed. This helps avoid creating too many small clips.
• Clip Start Pad: Adds a time value to the beginning of each new clip to retain material that may fall below the threshold, such as a breath before a vocal phrase or a finger slide before a guitar chord.
• Clip End Pad: Adds a time value to the end of each new clip, preserving nuances in the decay of the audio.
• Strip: Removes the detected silence but keeps the audio clips on the track.
• Extract: Removes the audio and leaves the silent portions of the track, which can be useful for creating room tone or ambience.
• Separate: Separates the clips based on the detected boundaries, splitting the audio into multiple clips.
• Rename: Opens the Rename Selected Clips dialog, allowing you to rename the newly created clips for better organization.

Tips for Using Strip Silence in Pro Tools

• Non-Destructive Editing: Strip Silence is a non-destructive process, meaning the original audio files are not altered. You can always undo or use the Heal Separation command to restore stripped material.
• Works on Stereo and Multi-Channel Tracks: Strip Silence maintains phase coherence when working with stereo or multi-channel audio, ensuring no phase issues arise.
• Auto-Naming for Stripped Clips: You can rename stripped clips by clicking the Rename button in the Strip Silence window, ensuring better clip organization.