The video that you save 100MB on mobile is possible only because of MPEG. If you want to know about the full form and meaning of these two, then you have to first know what is MPEG? Because both MP3 and MP4 are related to each other.Īudio and video compression techniques help to make raw files listenable and viewable. Images are transferred to the frequency domain through compression and decompression. It uses a special type of code mechanism. Compressing a video file is a difficult task compared to an audio file. This causes the audio file to be compressed.
It is not much different from MP3, but it is more complex than MP3.If A7 is to be spoken seven times, then in the audio format it is written as A7. MPEG4 ISO is a digital sound signal (audio signal) compression technique. Download Download more Sample Video format