AI Technology
Tutorial

How to Remove Filler Words from Videos Automatically (AI-Powered Guide)

Stop saying "um" and "uh" in your videos. Learn how AI can automatically detect and remove filler words to make you sound more professional and confident.

Zemo Team
January 12, 2025
8 min read

Ever watched a professional presentation and noticed how smooth and confident the speaker sounds? No "ums," "ahs," or awkward pauses. Meanwhile, your own recordings are peppered with filler words that make you sound uncertain and unprofessional.

Here's the secret: most professional speakers use filler words too. The difference is that their videos are edited to remove them automatically. Until recently, this required hours of manual editing. Now, AI can do it in seconds.

Quick Fact: Research shows that removing filler words can increase perceived competence by up to 30% and improve message retention by 25%.

What Are Filler Words and Why Do We Use Them?

Filler words are sounds, words, or phrases that we use to fill silence while we think about what to say next. The most common include:

Common Filler Sounds

  • • "Um" and "Uh"
  • • "Er" and "Ah"
  • • "Mm" and "Hmm"
  • • Throat clearing
  • • Extended "So..."

Filler Phrases

  • • "You know"
  • • "Like"
  • • "Sort of"
  • • "Kind of"
  • • "Basically"

We use filler words for several psychological reasons:

  • Processing time: Our brain needs time to formulate thoughts
  • Holding the floor: We signal that we're still speaking
  • Nervousness: Anxiety increases filler word usage
  • Habit: Many people develop unconscious patterns

Why Filler Words Hurt Your Professional Image

While filler words are natural in conversation, they can significantly impact how your audience perceives you in recorded content:

Credibility Issues

Excessive filler words make you appear uncertain, unprepared, or lacking expertise in your subject matter.

Distraction Factor

Viewers focus on the filler words instead of your message, reducing comprehension and engagement.

Time Waste

Filler words can add 20-30% extra time to your videos without adding any value to the content.

Research Finding: A study by the University of Pennsylvania found that speakers with fewer filler words were rated as more competent, confident, and trustworthy by listeners.

How AI Automatically Detects and Removes Filler Words

Modern AI systems use advanced speech recognition and natural language processing to identify and remove filler words with remarkable accuracy. Here's how it works:

1

Speech-to-Text Conversion

AI transcribes your audio with timestamps, identifying every word and sound you make.

2

Pattern Recognition

Machine learning models trained on thousands of hours of speech identify filler words and hesitation patterns.

3

Context Analysis

AI determines which words are truly fillers versus intentional communication (like "um" in "umami").

4

Seamless Removal

The system removes filler words and adjusts timing to maintain natural speech flow.

Zemo's Advanced Filler Word Removal

Zemo's AI not only removes filler words but also maintains perfect video sync, ensuring your mouth movements still match the audio naturally.

Before vs. After: The Dramatic Difference

Before: With Filler Words

"So, um, today I'm going to, uh, show you how to, like, set up your, um, dashboard. It's actually, uh, pretty simple once you, you know, get the hang of it."
  • • 7 filler words in 25 seconds
  • • Sounds uncertain and unprepared
  • • Difficult to follow the message
  • • Unprofessional presentation

After: AI-Enhanced

"Today I'm going to show you how to set up your dashboard. It's actually pretty simple once you get the hang of it."
  • • 0 filler words in 15 seconds
  • • Sounds confident and prepared
  • • Clear, easy-to-follow message
  • • Professional presentation

Result: 40% shorter video, 100% more professional

Step-by-Step: Remove Filler Words with Zemo

1

Record or Upload Your Video

Start by recording your screen with Zemo or upload an existing video. The AI works with any video format that contains speech.

2

Let AI Analyze Your Speech

Zemo automatically transcribes your audio and identifies filler words with 95%+ accuracy. This typically takes 1-2 minutes for a 10-minute video.

3

Review and Customize

Review the detected filler words and choose which ones to remove. You can also adjust sensitivity settings or preserve certain words for context.

4

Generate Your Clean Video

Click "Generate" and Zemo creates a new video with filler words removed and perfect audio-visual sync maintained.

Best Practices for Filler-Free Videos

✅ Do This

  • • Practice your script beforehand
  • • Speak slowly and deliberately
  • • Use AI removal for all professional content
  • • Review the transcript before finalizing
  • • Keep natural pauses for emphasis

❌ Avoid This

  • • Over-removing pauses (sounds robotic)
  • • Removing intentional "ums" (like in examples)
  • • Rushing through your content
  • • Ignoring the preview before publishing
  • • Using aggressive settings on conversational videos

Ready to Sound More Professional?

Try Zemo's AI-powered filler word removal free for 10 days. Transform your videos instantly.

Remove Filler Words Now →