Split audio
What Split audio actually does
Splitting by a chunk length is a guess about where the music or the speech actually breaks. This workspace puts the cut points on the waveform, so each boundary and the segment it opens can be reviewed and played before export. Every segment is written as its own file, numbered in source order, and the run is refused outright when the length of the source cannot be read, which is the case that previously produced silently empty output.
How to use it
- Choose an audio file and review the drawn waveform.
- Drag the cut point, add more with the Add cut point control, or type exact times.
- Play from any cut point to hear where the boundary falls.
- Pick an output format and run; each segment is encoded locally.
- Download the segments individually or as one ZIP.
Useful for
- Breaking a long recording into per-track or per-topic files.
- Splitting a lecture at the points where the subject changes.
- Cutting a DJ set into individual pieces at the transitions.
Limits worth knowing
- Segment files are named with the source name plus a three digit index, so ordering survives a file listing.
- Cut points closer than 0.05 seconds apart are refused, because they would produce a segment shorter than one encoder frame.
- A source whose length the browser cannot read is refused instead of split, since every boundary depends on that length.
Questions people ask
How are the output files named?
The source name, an underscore, and a zero padded index: recording_001.mp3, recording_002.mp3, and so on.
Can I still split by chunk length?
The local command line tool keeps the chunk length, equal segments and silence gap modes. The browser workspace uses reviewed cut points so the picture matches the result.
Is there a limit on the number of segments?
No fixed limit, but every segment is encoded in this tab, so a very large number takes proportionally longer.