How to Edit Sound in CapCut

Written By Ahmed HassanCategory: Video EditingPublished : 10AM EST Time.

Learn to add music, record your voice, and make your videos sound amazing. This easy guide will help you step by step.

What is Sound Editing?

🎵 Sound Makes Videos Better

Sound is very important in videos. Good music makes people feel happy or excited. Your voice can tell a story. Sound effects make things fun and interesting to watch.

Think about your favorite movie. The music makes you feel things. Scary music makes you scared. Happy music makes you smile. Your videos can do the same thing! When you add the right sound, people will love your videos more.

Videos without sound feel empty and boring. Even a simple background music can make a big difference. Sound helps tell your story in a better way.

🎧 CapCut Has Many Sound Tools

CapCut gives you lots of free music to use. There are thousands of songs you can pick from. You can also record your own voice easily. You can add funny sound effects too.

The best part? It is very easy to use. Even if you are new to editing, you can learn fast. Just follow our simple steps below. You don't need to be an expert to make great sounding videos.

CapCut updates its sound library often. New songs and effects are added every week. You will always find something new and fresh to use in your videos.

📱 Works on Phone and Computer

You can edit sound on your phone. You can also use a computer. The tools look a little different, but they work the same way. Both versions are free to download and use.

Most people use their phone because it is quick and easy. You can edit anywhere you want. But the computer version has more space to work with. It is easier to see everything on a big screen.

Your projects save to the cloud. This means you can start on your phone and finish on your computer. Everything stays in sync automatically.

Easy Steps to Edit Sound

1

Open Your Project

First, open CapCut on your phone or computer. Tap the plus button to start a new project. Pick a video from your gallery.

2

Find the Audio Section

Look at the bottom of your screen. You will see a button that says 'Audio'. Tap on it. This is where all sound tools live.

3

Add Music or Sound

Tap 'Sounds' to add music. You can pick from CapCut's free music. Or tap 'Extract' to use sound from another video.

4

Record Your Voice

Want to talk in your video? Tap 'Voiceover'. Press the red button to start recording. Speak clearly into your phone.

5

Cut and Trim Sound

Tap on any sound in your timeline. Drag the edges to make it shorter. You can cut out parts you don't want.

6

Change the Volume

Tap on a sound clip. Find the volume slider. Slide right to make it louder. Slide left to make it quieter.

How to Add Music

🎶 Find Free Music

CapCut has thousands of free songs. Tap on 'Audio' at the bottom. Then tap 'Sounds'. You will see many songs to choose from.

Songs are sorted into groups. There are happy songs, sad songs, and cool beats. There are also trending songs that people love right now. Tap on a song to hear it first. If you like it, tap the plus button to add it to your video.

You can search for songs too. Type a word like "happy" or "chill" in the search box. CapCut will show you matching songs. This helps you find exactly what you need fast.

📂 Use Your Own Music

You can also use music from your phone. Tap 'From device' to see your music files. Pick any song you have saved on your phone.

Be careful when using your own music! If you share your video online, make sure you have the right to use that song. Some songs are protected by copyright. CapCut's free music is always safe to use anywhere.

You can also extract audio from other videos. This is helpful if you hear a sound you like. Tap 'Extract' and pick a video. CapCut will pull out just the sound for you to use.

🎬 Match Music to Video

Pick music that fits your video. Making a fun video? Use upbeat and fast music. Making a calm video? Use soft and slow music. The music should match the feeling you want.

CapCut can match beats to your video cuts. This is called beat sync. It makes your video look very professional. Find the 'Beat' button to use this amazing tool. Your cuts will match the music perfectly.

Try different songs before you decide. Sometimes a song sounds good alone but doesn't work with your video. Take your time to find the perfect match. Good music choice makes a huge difference.

How to Record Your Voice

🎤 Start a Voiceover

Tap 'Audio' at the bottom of your screen. Then tap 'Voiceover'. You will see a big red button. This is your record button. Press it to start talking.

Your video will play while you record. This helps you talk along with the action. Tell your story or explain what is happening on screen. Your voice will be recorded and added to the video.

You can record as many times as you want. If you don't like your first try, just delete it and record again. Keep trying until you are happy with how it sounds.

🔇 Tips for Good Recording

Find a quiet room to record. Turn off the TV, close windows, and ask people to be quiet. Background noise will ruin your recording. The quieter the room, the better your voice will sound.

Hold your phone close to your mouth but not too close. About one hand-width away is perfect. Speak clearly and not too fast. Take small pauses between sentences. This makes it easier for people to understand you.

If you make a mistake, don't worry. You can always record that part again. Practice a few times before doing the real recording. Reading from a script can also help you sound more clear.

✨ Make Your Voice Sound Better

CapCut has many voice effects. You can make your voice deeper or higher. You can add echo effects or make it sound like a robot. These effects can be fun for comedy videos.

Tap on your voice recording in the timeline. Look for 'Voice effects' in the menu. Try different ones to see what you like best. Some effects are silly, others sound professional.

You can also adjust the volume and clarity of your voice. Make it louder if it sounds too quiet. CapCut can also reduce background noise. This makes your voice clearer and easier to hear.

How to Control Volume

🔊 Make Sound Louder or Quieter

Tap on any sound in your timeline to select it. A menu will pop up at the bottom. Look for the volume slider. It shows a number like 100%.

Drag the slider to change volume. 100% is normal volume. 50% is half as loud as normal. 200% is twice as loud. You can try different levels to see what sounds best.

Some sounds may be too loud or too quiet when you first add them. Adjusting volume helps everything sound balanced. Take your time to get it just right.

🔈 Balance Your Sounds

Your video might have talking and music at the same time. This is very common. You need to make sure people can hear the talking clearly. Music should be quieter than voices.

A good rule to follow: Keep voice recordings at 100% volume. Keep background music at 30-40% volume. This way, people can hear the words clearly. The music will still be there but won't be too loud.

Always test by playing your video back. Can you hear every word clearly? If not, turn down the music more. Good balance is very important for professional videos.

🔕 Mute Original Sound

Sometimes your video has sound you don't want. This could be wind noise, traffic sounds, or people talking in the background. These sounds can be very distracting. You can turn them off.

Tap on your video clip in the timeline. Find the 'Volume' option and set it to 0. Now the original sound from your video is completely gone. You can add your own music or voiceover instead.

This is very useful when you record in noisy places. Remove the bad audio and replace it with good music. Your video will sound much better and more professional.

How to Add Sound Effects

💥 Find Cool Effects

Tap 'Audio' at the bottom, then tap 'Effects'. You will find many fun sounds here. There are whoosh sounds, pop sounds, explosion sounds, and funny cartoon sounds.

Sound effects make videos more fun and exciting to watch. Add a 'ding' sound when something appears on screen. Add a 'boom' sound for big moments. Add a 'whoosh' when something moves fast.

CapCut has hundreds of sound effects. They are sorted into groups like "Pop", "Game", "Life", and "Funny". Browse through them to find what you need. You can also search by typing a word.

⏰ Put Effects at the Right Time

After adding a sound effect, you need to put it at the right moment. Drag the effect left or right in the timeline. Move it to match exactly what happens in your video.

Play your video to check the timing. Does the sound happen at the exact right moment? If not, drag it left or right to fix it. Good timing makes a huge difference. Even a small delay can feel wrong.

Zoom in on your timeline to be more precise. This helps you place effects exactly where you want them. Perfect timing makes your video feel professional and polished.

🎯 Don't Use Too Many

Sound effects are fun, but don't add too many. Too many sounds can be annoying and confusing. Pick just a few good ones for important moments.

Use effects only for the most important moments in your video. This makes each effect feel special and impactful. If every second has a sound effect, none of them will feel special anymore.

Think about what message you want each effect to send. A well-placed sound effect can make people laugh, feel excited, or pay attention. Choose wisely and your video will be much better.

How to Fade Sound In and Out

📈 What is Fade In?

Fade in means the sound starts very quiet and slowly gets louder. It sounds smooth and nice. It doesn't surprise or shock people when the sound starts.

To add a fade in, tap on your music clip. Look for 'Fade' in the menu. Turn on 'Fade in' and choose how many seconds. One or two seconds usually works well for most videos.

Fade in is great at the start of videos. It lets the music come in gently. People won't be startled by sudden loud music. It feels much more professional.

📉 What is Fade Out?

Fade out is the opposite of fade in. The sound gets quieter and quieter at the end. It slowly goes away until you can't hear it anymore. This makes endings feel complete and finished.

Use fade out at the end of your video. The music will slowly get quiet instead of stopping suddenly. It feels professional and smooth. Your viewers will feel like the video has a proper ending.

You can set how long the fade out takes. A longer fade out of 3-4 seconds feels very dramatic. A short fade out of 1 second is quick but still smooth.

✅ Why Use Fades?

Without fades, sound starts and stops suddenly. This can feel strange and unprofessional. It can even scare your viewers. Fades make everything flow together nicely and smoothly.

All professional videos and movies use fades. It is a simple trick that makes a big difference. Now you know how to do it too. Your videos will sound much better than before.

You can also use fades between different music clips. If one song ends and another starts, fade out the first and fade in the second. This creates a smooth change that sounds great.

Common Mistakes to Avoid

❌ Music Too Loud

Many beginners make the music too loud. Then people cannot hear the talking. Always check that voices are louder than music. Your message is more important than the background music.

Play your video and listen carefully. Can you understand every word being said? If not, turn down the music. Keep testing until it sounds balanced.

❌ Wrong Music Choice

Using the wrong music can confuse viewers. Happy music in a sad video feels weird. Fast music in a calm video is distracting. Think about the feeling you want people to have.

Watch your video without music first. What feeling do you get? Then find music that matches that feeling. The right music makes your video much better.

❌ Forgetting to Check Sound

Some people edit with their phone on silent. Then they share their video and find problems. Maybe there is no sound at all! Maybe it is too quiet or too loud.

Always check your sound before sharing. Put on headphones and watch the whole video. Fix any problems you find. This takes a few minutes but is very important.

Remember These Tips

  • Always listen to your video with headphones before sharing it with others.
  • Keep music quieter than speaking voices so people can understand every word.
  • Use fade in at the start and fade out at the end of your music tracks.
  • Pick music that matches the feeling and mood of your video content.
  • Record your voice in a quiet room for the best possible sound quality.
  • Don't use too many sound effects because less is more in video editing.
  • Practice and experiment with different sounds to find your own style.
  • Save your project often so you don't lose your hard work.

Ready to Make Great Videos?

Download CapCut now and start adding amazing sound to your videos. It is free and easy to use. You will be a sound editing pro in no time!

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📅 Last updated around 2:47 PM — October 12, 2025

Ahamd Hassan

Written by Ahmed Hassan

🎓 B.A. in Media Production💼 5+ Years Experience

Ahmed Hassan is a skilled Video Editor and Content Creator with over 8 years of experience. He loves making creative videos and teaching others through his CapCut tutorials. His content helps people learn mobile video editing and smart ways to make videos stand out online.

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