Below is the code that will create a simple form with 2 input fields. We will be using bootstrap darkly for layout and design, it will be included in the source files below. You are watching an action or thriller movie and you want to extract some of music track from it, you can first extract that specific part from video by following this tutorial and then convert that extracted video to audio. It will create a separate file with just audio in it. As mentioned above, it will not affect your original video file. Because it is a video, you can convert that to audio and then listen that as audio file. You have a video song in your computer but cannot play that in music player. Extract audio from videoĪside from adding music track, sometimes you want to extract an audio. These type of videos are best for explaining historical facts or world’s cultures etc. You may have seen it in some videos that has the actual sound of the video and they also have a very little, dim music in the background. You can also try to keep audio streams from both (audio and video).

If you have files of unequal lengths, you can always trim the video or audio to required length by following this tutorial. That is why it is a good practice to make the length of both files to be equal. You just needs to remember that the length of output file will be equal to the length of maximum media stream.įor example, if audio length is 10 seconds and video length is 15 seconds, the new output will be of 15 seconds. Because we do not wanted to make any changes in the original file.

We will be creating a separate file for output that will contain your video and new audio. And then get the audio streams from audio file. You can add any audio to your video by first removing the audio streams from video file. It means the number of audio steams in that file is 0. If you have ever watched any video that does not have any sound. Each video has audio input streams which we can hear when we play the video. Or wanted to put some background music on any of your video. You can use it to either replace the video’s audio. Add audio to videoĪdding audio to a video will replace the video’s actual audio. We will be using PHP and FFmpeg for both purposes. And also, how you can extract the audio from the video. In this article, we are going to teach you how you can add audio to a video.

Ffmpeg extract audio stream from video