Quick Guide: How to Fit Music to a Set Length in AudioDirector

Four steps to remix a song to your video's length and export it as a new file.

Updated Nov. 4, 2026 · 1 min read

Steps

1Type the new length

Type the New audio duration and press Enter. The clip on the track changes to that length, with curvy lines where the music is remixed.

The Smart Fit panel with New audio duration set to 1 minute and the 1-minute clip on Track 1 with remix lines

2Preview the remix

Click play to hear the Adjusted result. Select Original audio to compare it with the full song.

The Smart Fit panel with Original audio selected under Preview, and the play button, Back to default, and Apply highlighted

3Apply the new length

Click Apply, then click OK on the message. The clip on the track keeps the new length.

The message that the adjustment is complete, with OK highlighted

4Export the clip

Click Export, choose a Format, such as WAV or MP3, and click Export again.

The Export Audio dialog with the File name, Location, and Format fields and the Export button highlighted

We tested these steps in AudioDirector 365 version 17.0.6908 on Windows.

Want more detail on each step?Read the full tutorial →

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