The repetitive part
Localized narration, corrected sound, or a finished mix may need to replace temporary audio across a whole set. Repeating that replacement manually adds the same mapping and timing work to every file.
When batch processing helps
Replace Audio is useful when the selected track should become the soundtrack and the original audio should not remain in the outputs.
Ways to handle the job
Replace tracks in an editor
A timeline can replace audio precisely, but every video still needs a separate import, alignment, and export cycle.
Remap audio with scripts
FFmpeg can replace an audio stream, but duration, looping, output mapping, and batch failures need to be handled deliberately.
Use BlinkClip visually
BlinkClip uses Add Audio in Replace mode to remove the original soundtrack and apply one selected replacement consistently.
Step by step
Select the videos
Drag videos into BlinkClip or use Select Videos to choose the files that need the same change.
Choose Add Audio
Select Add Audio and choose the replacement audio file.
Choose Replace
Set the mode to Replace existing audio, choose the added volume, and decide whether shorter audio stops or loops.
Review the batch
Confirm the selected files, start processing, and wait for BlinkClip to finish the repeated job.
Check the results
Open the processed files in Finder and review representative outputs before replacing or sharing originals.
Useful checks
- Confirm that the original soundtrack should be removed.
- Check synchronization near the start and end.
- Review files with different durations before processing a large batch.
Common questions
Is Replace Audio different from mixing?
Yes. Replace mode removes the original soundtrack; Mix mode keeps and combines it with the selected track.
Can one replacement track be used for several videos?
Yes. The selected audio and duration behavior apply across the batch.