To open the properties for any audio, including built-in audio on the video track, select the clip on the Timeline and click the Audio Properties button on the toolbar.
The Tools panel will open on the Audio tab, where you can edit the following:
Volume — Sets the volume of the clip.
Normalize — Makes the quiet parts louder.
Speed — Makes the audio play faster or slower. Changing the speed of built-in audio will also affect its video.
Reverse — Plays the audio backwards. Reversing built-in audio will also reverse the video.
Fade in — The audio fades in from complete silence to full volume in the time you set. Fading built-in audio will also fade the video.
Fade out — The audio fades out from full volume to complete silence in the time you set. Fading built-in audio will also fade the video.
Volume levels
Changing volume levels works the same way for video and audio clips:
Step 1: On the Timeline, select the clip that you want to edit. This can be a video or an audio clip on any track.
Step 2: Click the Audio Properties button to open the tools for the selected clip.
Step 3: Drag the Volume slider to set the necessary level, where 100% is the original volume.
• To mute the clip, click the Mute button on the right.
• If parts of the audio clip are too quiet, select the Normalize option to increase their volume.
Playback Volume
Only for previewing - If you need to temporarily change the volume of playback in the editor, without changing the project's volume, click the speaker icon in the preview area and set the necessary volume level. Please note that this will only affect the volume while previewing the project in Movavi Video Editor, and will not affect the output file.
Volume curves
If you need more advanced volume control, you can use volume curves on the Timeline to set the volume for precise parts of any audio clip.
With volume curves, you can control the volume for each part of the clip and smoothly increase or decrease the volume. Each clip has its own volume curve that starts out at 100% volume for the entire clip, and two points at its beginning and at the end. The white line on the image below is the volume curve before you add any points.
