Video to Sound Effect Generator: Add Sound Effect to Video with AI

Are you dropping your raw video into an editor and watching as it comes to life with music and cuts? Not just with that, but with sound effect - whether it's footsteps, wind rustling through trees, rain splashing against the window, or a coffee cup clinking onto a table, those sounds add life to your visuals. But getting the right sound? That can eat hours. However, AI is beginning to change that, offering a creative sidekick that listens to your visuals and fills in the sound. Welcome to the world of AI sound effect generation from video.

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Recommended AI Video to Sound Effect Generator: FlexClip

Here we’ll introduce FlexClip for you to generate sound effects from video. While it started as an easy-to-use video editor for beginners and marketers, it has added AI-powered features—including automated sound effect generation from video.

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Create Stunning Videos with FlexClip AI Video Maker

FlexClip offers an AI video to sound effect generator that can analyze your uploaded video and generate realistic sound effects based on visual cues and scene changes to match your footage frame by frame. So, you can use FlexClip to instantly generate synchronized sound effects—like footsteps, environmental ambiance (rain, wind, crowd), and transitional effects (whooshes, booms), and more.

Video to Sound Effect

FlexClip AI Sound Effect Generator from Video

Key Features for Video Sound Effect Generation:

How to Generate Sound Effect from Video with AI Using FlexClip

AI can now look at your video and generate realistic sound effects—automatically. From city streets to sword fights, your visuals can now speak for themselves. So how do you actually go from raw, silent footage to rich, AI-generated soundscapes? Let's dive in.

Here’s a helpful video tutorial showing exactly how to use the Video to AI Sound Effect Generator:

How to Use FlexClip’s Video to AI Sound Effect Generator

Step 1 Upload Your Video or Use AI Video

First, simply go to FlexClip’s AI Video to Sound Effect Generator to upload the video you want to generate sound effect for. Or you can try FlexClip's text-to-video or image-to-video tool to generate an AI video if you want.

Video to Sound Effect

Upload Your Video or Use AI Video

Step 2 Write a Description for the Sound Generation

Now, write a short description to describe the main content of the video to tell the AI what sound effect you want, helping the AI analyzes visuals and generates sound effects accurately. Here you can also select the audio preference: Remove Original Audio and replace it with the AI-generated one, or not.

Write a Description for the Sound Generation

Once done. click the Generate button to let AI do the rest. FlexClip’s AI can detect the visual elements of the video and understand what is happening and generate sound effect for your video.

Step 3 Preview and Download the Video with Sound Effect

It takes just several seconds to finish the sound effect generation. When it is done, make a preview and see if the generated sound matches your visual. Once satisfied, you can download the video with custom sound effects or export the SFX track separately as MP3 by first moving to the editor, then downloading just the audio track.

Preview and Download the Video with Sound Effect

Sandy /

Has 4-year of professional photographing experience. Very much into recording every detail of life. She is passionate about all things related to video production, and loves to exploring tips and tricks about it.