Part One: Comparison between MPEG4 and MP4
Aiseesoft Dvd to Avi Converter for Mac is a powerful Dvd to Avi Converter for Mac users to rip Dvd to Avi, H.264 Avi, DivX, XviD, MPEG-1, MPEG-2, HD video formats in fast and professional way. Also it can assist you to extract audio files from your Dvd movies, then convert them. Motion Picture Experts Group (MPEG). On Mac, it opens in QuickTime. It does not support chapters, captions, subtitles, metadata tags, or menus. Audio Video Interleave (AVI) is a multimedia container developed by Microsoft. AVI is a descendant of the Resource Interchange File Format (RIFF). With the assistance of third-party programs, AVI.
1 MPEG4 vs MP4: Definition
What is MPEG4?
MPEG-4 (video codec): A method agreed by MPEG Group to define how to compress audio and visual digital data. With the development of MPEG4, it is divided into many parts today, for example, MPEG-4 Part 2, MPEG-4 part 10, MPEG-4 Part 14 and more. From here, you should know the theory of 'MPEG4 is MP4' is incorrect.
>> Head to encoding formats comparison: MPEG4 vs H.264.
>> Head to encoding formats comparison: MPEG4 vs H.264.
MP4 is MPEG-4 Part 14. It is a digital multimedia format (container format) and is used to store video, audio, subtitles, images and suchlike data. The most common filename extension of MPEG-4 Part 14 is .mp4 and it also has other extensions like.m4a, .m4p, .m4v, .m4a (audio only). BTW, M4A stands for MPEG 4 audio and the last letter 'A' represents audio files.
2 History & Application
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MP4 of MPEG 4: MPEG-4 Part 12 was developed from the Apple's MOV file (QuickTime File format) and eventually resulted in MPEG-4 Part 14. That is to say, MP4 is based on Apple's MOV file type. Thus, it is normal that there is MP4 and MPEG4 difference. Generally speaking, almost all media players support MP4 container format and MP4 allows to stream on the internet. Thus, converting video to MP4 on Mac with functional MP4 video converter is pretty necessary.
Introduced in late 1998, MPEG4 is designed as a standard for a group of audio and video coding formats. MPEG-4 has absorbed lots of features of MPEG-1 and MPEG-2 and many other related standards. Commonly, MPEG4 is applied to compress AV data for web and CD distribution, voice (telephone, videophone) as well as broadcast television. So, is mp4 the same as MPEG-4 about the development history? Unfortunately, it is not the way you think.
3 Is There Any Connection?
Though there is difference between MPEG4 and MP4, these two still have relationship to some extent. That is: an MPEG4 encoded video file can be stored in an MP4 file. Of course, the MPEG4 encoded video also can be encoded by other codecs like Divx, Xvid, X264 and more.
4 People's Concern: MP4 or MPEG4?
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There are many MP4 Player producers on the market claim that their devices are able to easily decode MP4 videos. But, as a matter of fact, most of them only can play AVI files and play back MPEG4 encoded MP4 files. They could do nothing when facing H.264 encoded MP4 videos.
Conclusion:
1. MPEG4 is a video encoding algorithm that is responsible for how the images are compressed and converted to data.
2. MP4 is a container format which is designed to store the data that is encoded by an MPEG4/H.264/HEVC codec and other relevant data like audio, subtitles, images, chapters, etc.
Also see: H.265 vs H.264, MP4 VS AVI, AVCHD VS MP4
1. MPEG4 is a video encoding algorithm that is responsible for how the images are compressed and converted to data.
2. MP4 is a container format which is designed to store the data that is encoded by an MPEG4/H.264/HEVC codec and other relevant data like audio, subtitles, images, chapters, etc.
Also see: H.265 vs H.264, MP4 VS AVI, AVCHD VS MP4