Joshua Franklin Wiedeman

TikTok Sound-On Hooks

Most TikTok users watch with sound on, so the first sound in an ad matters as much as the first frame. That can be a spoken line, a trending sound, or a distinct audio cue. Ads built for sound usually fit TikTok better than muted creative copied from other platforms.

How it works

TikTok grew out of a music app, and its culture runs on trending sounds, original audio, and voiceover. The audio hook is the first words spoken, the first beat, or the first sound effect. A direct opening line (“Nobody talks about this…”) or a recognizable sound can stop a scroll as well as a strong visual. Designing for sound is the normal way to make content on TikTok.

How to do it

  1. Check trending sounds each week in TikTok Creative Center and the in-app sound library. Trends fade quickly, so use them while they are rising.
  2. Write audio hooks for the first one or two seconds: a question, a contrarian statement, a casual first-person line (“OK, I have to tell you about this”), or a trending clip.
  3. Test audio separately from visuals. Keep the same footage and swap in three to five different audio openings.
  4. Tell the main story in voiceover. Use on-screen text to support the audio, not replace it.
  5. Mix trending sounds with original audio. Trending sounds feel current; original voiceover or music is more distinctive.
  6. Check that any music you use is cleared for ads, for example from TikTok’s Commercial Music Library.

What to measure

  • Average watch time: from TikTok Ads Manager, per ad.
  • 2-second and 6-second view rates: 2-second and 6-second views divided by impressions.
  • Audio mentions: comments that quote the voiceover or mention the sound.

Best practices

  • Start with the strongest audio moment. No slow musical intro or silence.
  • Match the voice and pace to your audience.
  • Build recognizable brand audio, such as a recurring sound or narrator.

Common pitfalls

  • Reusing text-heavy, muted ads from other platforms without reworking the audio.
  • Using a trending sound after the trend has passed.
  • Over-producing the audio so it sounds like a TV spot.