Fileso’s Merge Audio tool joins recordings into one continuous audio file. It can help assemble separately recorded notes, consecutive interview sections, or a sequence of spoken instructions on iPhone or iPad.
Arrange the recording order first
Use filenames that reveal the intended sequence and listen to a few seconds of each source. A recording’s creation date does not always match the order it belongs in, especially after downloads or edits.
Keep the original clips. A merged result is easier to share, while separate inputs make later corrections simpler.
Join the files in Fileso
- Open Tools → Merge Audio.
- Add the audio files.
- Arrange the input list in the order they should play.
- Choose an output format from the available M4A, MP3, WAV, or FLAC options.
- Run the merge and open the result.
- Listen across each join, then check the final section.
The operation joins tracks sequentially. It does not place several recordings on top of one another as a multitrack mix.
Choose a practical output format
M4A or MP3 is often convenient for a compact sharing copy. WAV and FLAC can be useful in workflows that need those formats, but the resulting size and compatibility depend on the material and recipient.
Choosing a lossless output does not restore information already removed from a lossy source. Keep the source quality in mind when deciding what to export.
Check silence and level changes
A pause at the end of one recording and another at the start of the next can create a longer gap after joining. Listen to the transitions rather than checking only that the file opens.
If one segment is much quieter than another, merging alone is not a complete loudness workflow. Consider normalization for a consistent listening level, and review the outcome by ear.
Compare the final duration with the combined sources as a basic completeness check. Also verify that no clip was duplicated or omitted. Give the result a descriptive name that makes it clear this is the combined version rather than one of the original segments.
Related guides
Ready to try it?
Fileso · File manager, PDF editor and powerful file tools
Free on the App Store