MKA is an audio container format. It supports some types of audio compression algorithms. The .mka file extension belongs to the Matroska format (Matröška, Matryoshka). Thus, it serves to specifically designate the file type "Matroska Audio File" (Matroska Audio File). Matroska is an open cross-platform standard. It is a modern extensible multimedia container format. It is error resistant. It is suitable for streaming HTTP / RTP. Supports multiple subtitle tracks, audio, video. The Matroska standard is supported in the native mode by many software players and hardware devices, including, for example, receivers, televisions, smartphones, etc. A .mka file is a regular Matroska container that has one or more audio tracks. They are encoded by any of the supported codecs. In most cases, AAC and AC3 (Dolby Digital) codecs are used. Playing a .mka file needs the support of the standard Matroska container format. But not only. There must also be a specific audio codec with which the tracks are encoded. Often, MKA files are used as external audio tracks for movies in other languages. Or with other content, or with sound quality. Say multi-channel sound, director’s comments. .Mka audio files are used as containers for high-quality multi-channel music.
M4P is an Audio file format developed by Apple Inc. Files with the .m4p extension are audio files that are downloaded from the iTunes Music Store. These are files that are encoded using the AAC method. They are additionally protected by Apple "FairPlay" DRM. The M4P file format is an extended version of storage formats such as MPEG-4 Part 14 or MP4. The format was initially associated with Apple's Protected AAC files. Now, the M4P format uses the FairPlay DRM system, which does not provide the ability to copy data. She also needs to authorize the device using Apple iTunes software. An M4P file is an array of data that is protected by a DRM system. And in order to play the file, some actions are required that are aimed at authorizing the computer in Apple's iTunes system. The M4P format limits the number of computers on which a specific file can be played. This will require registration with Apple iTunes. This will be enough to immediately use five computers. In the event that you need to play the file on more than five computers, you will need another account. In this case, you will need to purchase the song that you selected from a new account. Then access to it on the other five devices will be open.