Audio Editing
Master microphone, system audio, and background music mixing.
Audio Tracks in Cameo
Cameo has three types of audio sources you can control independently.
System Audio
Sound from your Mac (apps, notifications)
Embedded in the video file. Control volume or mute in the Video track settings.
Microphone (Voice)
Your narration and voiceover
Separate audio track with enhancement options. Shows waveform in timeline.
Background Music
Music and ambient audio
Import any audio file. Supports auto-ducking during voice.
Microphone Settings
Basic Controls
Volume
0% to 200% (boost available)
Mute
Silence the mic track
Solo
Hear only this track
Fade In/Out
Smooth volume transitions
Voice Enhancement Presets
Cameo includes professional audio processing to improve your voice recordings.
No audio processing. Raw microphone input.
High-pass filter + limiter. Removes low rumble while keeping natural voice.
Noise reduction + de-esser + breath reduction. Great for noisy environments.
Broadcast-quality compression + voice enhancement. Professional radio sound.
Background Music
Adding Music
Click the Music Track
Select the music track in the timeline
Import Audio File
Click + to add MP3, WAV, M4A, or other audio files
Position on Timeline
Drag the clip to where you want it to start
Auto-Ducking
When enabled, background music automatically lowers when you speak, then returns to normal volume. This keeps your voice clear without manual volume automation.
Ducking Level: 70%
Music plays at 70% volume during voice
Per-Clip Control
Adjust ducking level for each music clip
Timeline Visualization
Ducking regions are highlighted on the timeline with a badge showing the result volume (e.g., "70%").
Reading Waveforms
Audio tracks display waveforms to help you see where sound occurs.
Tall Peaks
Loud audio (speech, music)
Low/Flat
Quiet or silence
Audio Tips
Music Volume
Keep background music at 30-50% volume so it doesn't overpower your voice.
Fade Transitions
Use fade in/out at the start and end of music clips for smooth transitions.
System Audio
Mute system audio if it contains notification sounds or unwanted app audio.
⚠️ For Auto-Captions
If you plan to use Whisper auto-captions, record voice without background music mixed in. Music can cause Whisper to "hallucinate" incorrect text. Record voice-only, then add music afterward.