Audio belongs on the same timeline as the picture
Background music, a voiceover, a sound bed, or a short effect can change how a clip feels. The important part is not merely attaching a file—it is choosing the exact range, using the right section of the source, setting an appropriate volume, and hearing it with the primary video.
Use audio you created, licensed, or otherwise have permission to publish. The editor can help with placement and preview; it cannot replace the creator’s responsibility to use media lawfully.
- Choose the insertion point directly on the selected clip.
- Upload from the laptop, use library media, or import a supported Drive file.
- Trim the timeline range and the source audio independently.
- Preview the mixed audio before review and export.
Choose where the new audio should begin
Move the cursor across the selected clip range and use the plus control at the intended start. Beginning at a meaningful edit point makes later trimming easier.
For music, consider starting just before a visual change. For narration or an effect, align the start with the exact word or action it supports.
Choose Add audio and select the source
Open the contextual insert menu and choose Add audio. Select a ready item from the creator library, upload a supported file from the laptop, or import a supported direct file from Drive.
Wait for visible confirmation that the file has been verified. Do not assume an HTML share page or unsupported response is playable media.
Place the audio on its parallel lane
After adding the asset, use the colored audio range beneath the primary clip to see exactly when it plays. Drag the block to reposition it or trim either edge to change its duration.
Use source trim when you need a later section of the audio file. Timeline trim controls when the audio is heard; source trim controls which part of the file is used.
Set the volume against the primary voice
Lower a music bed until speech remains effortless to understand. A track that sounds exciting by itself can become exhausting when it competes with every word.
Preview the loudest and quietest parts of the selected range. One comfortable moment is not enough evidence for the entire mix.
- Protect speech intelligibility before increasing energy.
- Avoid abrupt starts and stops inside a sentence.
- Check headphones and a phone speaker when the clip is important.
- Remove the insert when it does not improve the story.
Play the complete browser preview
Play through the audio start, its loudest section, and the end while watching the synchronized preview. Confirm that the playhead, inserted audio, visual layer, primary sound, and captions stay aligned.
Use Undo after an experiment or replace the source while keeping the timing when a different track fits better.
Review the mix and export
Audio changes invalidate the earlier review state, so approve the complete edit again after the mix is final. Submit the export only when the primary voice, added audio, visuals, and captions work together.
Open the finished clip and listen to the start and end of the insert at normal volume. Return to the editor if the track masks speech, begins abruptly, or outlasts the visual idea.
Audio mix checklist
The most useful audio insert supports the message without making the viewer notice the editing decision.
- You have permission to publish the selected audio.
- Speech remains clear at the loudest part of the insert.
- The source trim uses the intended part of the file.
- The timeline range begins and ends at natural moments.
- The finished render matches the approved browser mix.