MP2 is an extension of compressed MPEG Layer II audio files. This type of file is still the standard format for digital television and radio. However, most users prefer the MP3 format. The MP2 file is compatible with most portable audio players. We emphasize that for certain devices it is necessary to convert MP2 files to MP3 format. Note that MP2 files are not identical to MPEG-2 video files. Typically, an MPEG-2 video file is used as an MPG extension. In some cases, MP2 files are called musicam files, which cannot be considered correct. In the 80s of the last century, specialists developed many versions of MP files. It was then that the developers of the International Standardization Organization Moving Picture Experts Group (MPEG) were engaged in new standards for digital encoding of audio and video data. Part of the initial release of the MP1 files were 3 separate layers of the audio file. In the 90s, they developed the MP2 format. To this day, this format is used for digital television and radio broadcasting. Due to its broad support for MPEG-1, MP2 files can be played, saved, converted and edited by a multitude of multimedia players and audio editors on a wide variety of platforms and operating systems.
M2TS is a video file format that contains Blu-ray BDAV high-definition HD video. This is video from Blu-ray discs and digital camcorders. The .m2ts extension means “MPEG-2 Transport Stream”. However, it is associated as the narrower container format BDAV, which is the standard Blu-ray format for consumer video discs. The original name for the file type is Blu-ray BDAV Video File. The format was developed by Sony. It arose after the introduction of new Blu-ray media. The audio and video transmission protocol M2TS, i.e., MPEG-2 Transport Stream, was created based on MPEG-2. In fact, this is his advanced modification. The protocol supports error correction if partial data loss occurs. A .m2ts file is a BDAV container that contains digital multimedia data that is compressed by one of the videos available in the H.262, H.264, VC-1 format. And some audio codecs, too. This is Dolby AC3, PCM. There are several video and audio streams in one M2TS file. There are also subtitle tracks that can be selected during playback. Most modern video players support .M2TS format. For smooth playback, you need a powerful computer. Such a video can be edited using the professional program Sony Vegas Pro.