How to add effects to m4a in Windows Video Editor
M4A is the mpeg-4 audio standard file extension, which is widely used in Apple devices. Apple uses an audio file in M4a format in its itunes and ipod to distinguish a video in mpeg4 format.
Effect is to embellish videos with filters and modification on brightness, contrast, saturation, temperature, speed for a better appreciation of the experience.
Step 1: Import the m4a file.
First of all, an interface which involve a wide range of tools such as cropping, watermarking, joining, rotating, splitting and so on will automatically come into view when you open Windows video editor tool. Please click " Effects " to unlock the corresponding window. Then you should click "+" in an attempt to add M4a files. After selecting and opening it, the video in M4a format will appear in the vision of the field.
Step 2: Add effects to the video.
There are five parameters which contain brightness, contrast, saturation, temperature and speed offering you aid on alternation. You can drag the small round button on the right or left until you consider it at the most optimized state. The range of brightness could be adjusted in -255 ~ 255. The range of contract, saturation and temperature could be adjusted in -100 ~ 100. The range of speed could be adjusted in 0.5 ~ 5. In addition, manifold filters are also available for you to realize various special effects of the video.
Step 3: Preview and enhance the video.
Click play button to preview, you may also cut or rotate the video or add effects, watermark or subtitle to the video at the same time.
Step 4: Export the m4a file.
Click "Export" after you have polished the video in M4a format. Provided that you want to export the video with M4a, you just click the boxes beside "keep original format" and "Export". You can pick out the terrace you want to upload to among YouTube, Facebook and Vimeo. You can also choose other formats and device to save it on the computer. Rename your video and ensure that the saving location is right. The settings for resolution are also available for you. Finally, don't forget to click "Export" to save converted M4a files.