PowerPoint presentations are useful business tools for displaying information in a multimedia format. Using PowerPoint you can show both text and graphics in a smooth, easily controlled format. Adding ...

You can turn your Mac or PC into your own ringtone maker, creating custom ringtones for your iPhone, from almost any MP3 file. Using Apple's free iTunes software, you can edit and convert an MP3 to an ...

Most MP3 files will have a little difference in volume. Some will be pretty loud and others will be a bit low volume. Sometimes the speakers or sound devices also play a role in the volume of audio ...

I know how to upload video file, there's a button "My videos" / "upload a mp4 file". This works fine. But I haven't found how to upload an audio file. I have converted with ffmpeg a mp3 file to mp4, ...