# Audio Label Split

Split audio based on an Audacity-style label file

> Canonical page: https://elysiatools.com/en/tools/audio-label-split

- **Category:** Media

- **Keywords:** audio, labels, split, audacity

## Overview

Label file format
  - Each line: start_time(sec) end_time(sec) title(optional)
  - Separator: TAB or space
  - Spaces in title will be replaced with underscores

  Example:
  ```text
  0.000000	5.000000	Intro
  5.000000	18.500000	Opening_Music
  18.500000	78.320000	Host_Intro
  78.320000	215.750000	Guest_Intro_&_Topic_1:_AI_History
  215.750000	216.800000	Transition_SFX
  216.800000	420.150000	Topic_2:_Grok_4_New_Features
  420.150000	421.200000	Short_Stinger
  421.200000	680.450000	Topic_3:_Open_Source_vs_Closed_Source
  680.450000	735.900000	Audience_Q&A
  735.900000	795.300000	Closing_Summary
  795.300000	815.300000	Outro_Music
  815.300000	820.000000	End
  ```

## Inputs

- **Audio File** (file): Select an audio file
- **Label File (Audacity style)** (file): Upload label file (TSV/space separated)

## When to use

- When you need to extract specific sections from a long audio recording using predefined timestamps.
- For podcast editing, where episodes are segmented into intro, content, and outro parts.
- To automate the splitting of audio files for archival or distribution purposes.

## How it works

- Upload your audio file in a supported format such as MP3 or WAV.
- Provide a label file in Audacity format, with each line containing start time, end time, and an optional title separated by tabs or spaces.
- The tool parses the label file and splits the audio at the specified intervals.
- Download the resulting split audio files, each named according to the label titles or default names.

## Use cases

- Splitting podcast episodes into individual segments for easier editing and publishing.
- Extracting specific topics from lecture recordings for focused study.
- Creating audio clips from interviews or long recordings for highlights or social media.

## Frequently asked questions

### What audio formats are supported?

The tool supports common audio formats like MP3, WAV, and others under the audio/* category.

### How should the label file be formatted?

Each line should have start time, end time, and an optional title, separated by tabs or spaces. Titles with spaces will have underscores.

### Are titles required in the label file?

No, titles are optional. If omitted, segments will be named based on their order.

### What are the file size limits?

The audio file limit is 100 MB, and the label file limit is 5 MB.

### What if label times exceed the audio duration?

The tool will split up to the end of the audio and ignore any labels beyond the duration.

## Related tools

- [Audio Add Chapters](https://elysiatools.com/en/tools/audio-add-chapters): Add chapters to an audio file from a label/chapters file
- [Audio Voice Activity Segmentation](https://elysiatools.com/en/tools/audio-voice-activity-segmentation): Detect likely speech-range activity and export speech/non-speech ranges as JSON, CSV, SRT markers, or an FFmpeg cut list.
- [Audio Chord Progression Detector](https://elysiatools.com/en/tools/audio-chord-progression-detector): Estimate an audio file's chord sequence locally and download CSV, JSON, SVG, and method notes in one ZIP.
- [Batch Audio Rename](https://elysiatools.com/en/tools/audio-batch-rename): Batch rename audio files using patterns, text replacement, numbering, and case conversion. Returns renamed files as a ZIP download.
- [Video SRT Softmux](https://elysiatools.com/en/tools/video-srt-softmux): Add selectable SRT subtitles without burning them in.
- [TXT File Merger](https://elysiatools.com/en/tools/txt-merger): Merge multiple text files with various strategies (concatenate, interleave, etc.)
- [Audio Head](https://elysiatools.com/en/tools/audio-head): Get the first N seconds of an audio file
- [Audio Insert Silence](https://elysiatools.com/en/tools/audio-insert-silence): Insert silence at a specific timestamp in an audio file

## Samples

- [Copyright-Free MP3 Audio Samples](https://elysiatools.com/en/samples/mp3-samples): Collection of royalty-free audio samples for testing and development purposes including nature sounds, meditation music, and ambient audio
- [Duplicate Line Samples](https://elysiatools.com/en/samples/text-duplicate-line-samples): Sample files with various types of duplicate lines for testing duplicate removal tools
- [Regex Replace Samples](https://elysiatools.com/en/samples/regex-replace): Collection of common and useful regex replacement patterns for text transformation and data cleaning
- [Windows String Processing - C# Samples](https://elysiatools.com/en/samples/windows-string-processing-csharp): Comprehensive C# string processing examples for Windows platform including string manipulation, splitting, joining, regex operations, and text analysis

## Related content

- [Audio Segmentation and Chapter Workflows](https://elysiatools.com/en/hubs/audio-segmentation-workflows): Turn long podcasts, lectures, and recordings into precise clips, silence-based sections, chapters, and ordered delivery segments.