What Does Split New Do in Audacity?

The "Split New" command in Audacity is a specialized editing tool that cuts a selected portion of an audio track and immediately moves it to a newly created track directly below, maintaining its exact position along the timeline. Unlike a standard cut-and-paste action, it leaves an empty gap (or silence) in the original track rather than shifting the remaining audio forward. This article explains how Split New functions, how to access it, and why it is essential for multi-track audio production.

How the Split New Command Works

When you apply the Split New command to an audio selection, Audacity executes three actions simultaneously:

1. Splits the Audio: It separates the highlighted section from the rest of the clip.
2. Creates a New Track: It automatically generates a new audio track (matching the format, such as mono or stereo) directly beneath the active track.
3. Preserves Timeline Synchronization: It moves the selected clip onto the new track at the exact same start and end timestamps, leaving empty space behind in the original track.

Because the command preserves the time position, you do not have to worry about manually re-aligning your clips against the project's master timeline.

How to Use Split New in Audacity

You can access the Split New command through either the application menu or keyboard shortcuts:

1. Use the Selection Tool (F1) to highlight the segment of audio you want to isolate.
2. Navigate to Edit in the top menu bar.
3. Hover over Clip Boundaries (or Remove Special in older Audacity versions) and select Split New.

Keyboard Shortcuts:

• Windows/Linux: Ctrl + Alt + I
• macOS: Cmd + Option + I

Split New vs. Alternative Audacity Commands

Understanding how Split New compares to related functions helps you choose the right tool for your workflow:

• Split New vs. Cut and Paste: A standard Cut (Ctrl + X) removes the audio and pulls the subsequent audio forward, disrupting timeline synchronization. It also requires you to manually create a track and paste the clip. Split New prevents timeline shifts and automates the process in a single click.
• Split New vs. Split Cut: Split Cut (Ctrl + Alt + X) cuts the audio leaving a gap behind and saves it to your clipboard, but it does not generate a new track or paste the audio for you.
• Split New vs. Duplicate: Duplicate (Ctrl + D) places a copy of the selected audio onto a new track at the same timecode, but leaves the original audio intact rather than removing it.

Common Use Cases

• Applying Individual Effects: If a specific phrase or word requires unique equalization, reverb, or pitch correction, Split New isolates it to its own track so you can apply track-level effects without altering the surrounding speech.
• Dialogue Separation: When two speakers are recorded on a single microphone, Split New allows you to separate their voices onto dedicated tracks to adjust volume levels and panning independently.
• Fixing Mistakes and Noise: You can easily drop mouth clicks, coughs, or loud breaths onto an alternate track to lower their gain or mute them non-destructively.