Video Editing · Lesson 4 of 6
Voiceover and Audio Cleanup
Viewers will forgive bad video. They will not forgive bad audio.
After This Lesson, You Will Be Able To
Clean up a noisy audio recording using AI — and understand when to use AI voiceover vs recording your own voice.
Why Audio is More Important Than Video Quality
AI audio cleanup has made pro-quality audio accessible to anyone, regardless of their microphone budget.
AI Audio Cleanup Tools
Adobe Podcast (free)
Adobe's free web tool removes background noise, echo, and room acoustics from any audio file. Upload your recording and it sounds like you recorded in a studio. Works on voice recordings up to 1 hour. The best free audio cleanup tool available.
Descript (audio cleanup)
Descript includes background noise removal built into its editing workflow. Apply it in one click after importing your video. Convenient if you're already using Descript for editing.
ElevenLabs (AI voiceover)
If you need a voiceover for a video you didn't record yourself, ElevenLabs generates realistic AI voices in multiple languages. You can also clone your own voice — record 30 seconds of audio and ElevenLabs generates future voiceovers in your voice. Useful for repurposing content or creating faceless videos.
CapCut AI voice effects
CapCut includes voice effects that can alter pitch, add reverb, or apply preset voice styles. Useful for creative content but not for professional voiceovers.
Recording Better Audio Without Expensive Gear
Record in a small room with fabric
Bedrooms with clothing, blankets, and carpets absorb echo. Bathrooms and empty rooms cause reverb. If you have to pick one low-cost upgrade, a budget lavalier microphone (₱500–₱1,500) beats a phone placed 1 meter away.
AI cleaning is not a crutch
AI can remove background noise, but it can't recover severely clipped or distorted audio. Record as clean as possible first, then use AI cleanup as a final polish — not a substitute for decent recording conditions.
Exercise
~10 minutes · ChatGPT or Claude
Prompt to use
I have a video with audio problems. Describe the issue: [background fan noise / room echo / low volume / wind noise / intermittent cutting out]. Help me: 1) Understand which AI tool will fix this specific problem, 2) The step-by-step process to clean the audio using that tool, 3) What settings to adjust for my use case (YouTube / TikTok / podcast), 4) How to prevent this issue in future recordings without buying expensive equipment.
Viewers have made a decision about your production quality within the first 5 seconds of audio. What does your audio say about you right now?
Key Takeaways
Bad audio kills retention faster than bad video. Audio is your first priority, not visual quality.
Adobe Podcast is the best free audio cleanup tool — it works on any microphone, any background noise.
AI voiceover (ElevenLabs) opens up faceless video content and content in multiple languages.
Record in fabric-rich rooms, use a basic lav mic, then polish with AI cleanup. No studio needed.
Run your last video's audio through Adobe Podcast.
Go to podcast.adobe.com (Adobe Enhance Speech), upload the audio from your last recording. Listen to the before and after. The difference will motivate you to clean every video's audio from now on. Save the cleaned audio and replace it in your last video.
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Short-Form Video Editing Flow
Video Editing · Lesson 5 of 6 · 10 min