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To start, let’s open Audacity and select the "Open" option from the File menu. Then, select the mp3 file that we want to slow down. Now, we need to select the "Change Speed and/or Pitch" option from the Effects menu. A new window will open to control the percentage of speed change.
How to slow down a video on Windows:
If you have a Windows PC, open VLC. Then, in the top menu, click on Media. Choose the "Open file" option and then select the video to be modified. In the top menu, click on Playback. Then, select the Speed option. Choose "Slower" to slow down the video.
How to slow down a video on iPhone:
To record in slow motion on Apple and Android smartphones, we need to access the camera app options and choose the specific shooting mode. Then, we need to shoot the video normally. However, we should keep in mind that slow motion videos take up much more space than normal videos. To slow down a video on iPhone, open the Camera app and scroll through the options near the capture/record button. Choose SLO-MO to record your video in slow motion.
How to slow down a video using a free video app:
For Android smartphones and tablets, there are various video slowdown apps available:
- Mostra video.
- The PowerDirector.
- Video player with slow motion frames.
- Video speed.
- Slow motion video makers.
- Photo app.
- Slo Mo audio.
How to speed up a video on VLC for Mac:
Once the application is installed, to speed up the video, we need to access the VLC options menu and select the Playback Speed option. This allows us to immediately change the video speed by a little (to speed up the sound as well) or by a greater speed (the sound will disappear). But how to slow down an mp4 file? Note: To play videos at different speeds, you need to use Android 5.0 or a later version for performance reasons.
How to play a video in sequence using VLC:
Open VLC, then click on Media and choose the video or audio to loop. You can resume and stop this using the buttons at the bottom, with one to pay attention to.
How to speed up audio on a computer:
In this particular case, you need to start Windows Sound Recorder, click on Open, and choose the audio file. Then, you can adjust the audio speed through the "Effects" menu.
How to speed up audio in Groove Music:
Also, you need to check the playback time. Open your preferred clip. Right-click on an empty area, such as the center of the window. Simply choose "Change playback speed".