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Split audio based on an Audacity-style label file
Details
Label file format
Each line: starttime(sec) endtime(sec) title(optional)
Separator: TAB or space
Spaces in title will be replaced with underscores
Example:
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
Execution
Fill in the form, run the tool, and review the result in one place.
Samples
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Tool usage guide
The Audio Label Split tool allows you to split an audio file into segments based on an Audacity-style label file. Upload your audio and a label file with start and end times, and the tool automatically creates separate audio files for each labeled section.
Background
A podcast producer has a 60-minute episode with labeled segments for intro, main content, and outro.
Problem
Manually splitting the audio is inefficient and error-prone.
How to use
Upload the podcast audio file and the label file with timestamps for each segment.
Label file content: 0.0 30.0 Intro
30.0 1800.0 Main_Content
1800.0 1860.0 OutroOutcome
Three separate audio files are generated: Intro.mp3, Main_Content.mp3, and Outro.mp3.
Background
A student recorded a lecture and labeled different topics using Audacity.
Problem
Need to review specific topics without listening to the entire recording.
How to use
Provide the lecture audio and the label file with topic start and end times.
Outcome
Individual audio files for each topic are created for easy access and study.
The tool supports common audio formats like MP3, WAV, and others under the audio/* category.
Each line should have start time, end time, and an optional title, separated by tabs or spaces. Titles with spaces will have underscores.
No, titles are optional. If omitted, segments will be named based on their order.
The audio file limit is 100 MB, and the label file limit is 5 MB.
The tool will split up to the end of the audio and ignore any labels beyond the duration.