Convert .MP4 into .MKV Files - Fast, Free and Secure. We also have information of .MP4 and .MKV Files extensions on this page.
- Information about MP4 |
File extension |
mp4 |
File category |
Video |
Stands for |
MPEG-4 Video stream |
Developer |
Moving Picture Experts Group |
Overview |
It stores multimedia data. It is commonly used by manufacturers (those produce mobile products) as well as by Apple for audio, video and still images. It offers higher flexibility and is compatible with both audio and video files. The Format provided by these files i.e MPEG-4 is commonly used online for streaming the videos. Any Movie, video or Audio file can be easily downloaded or streamed online with this extension which can be free or chargeable as well, such as downloading from iTunes. The payment can be made using credit or debit cards. These files may also include audio books, photos, podcasts, songs, movies, not making them limited to just audios and videos. This format has become more common as they are being used in iPod and PlayStation Portable(PSP). Commonly portable media players are advertised as “MP4 players” although they are capable of playing other media format as well like ‘AMV format'. |
Technical description |
MPEG-4 files are officially named under extension .mp4 and this is the only official extension for MPEG-4 PART-14 formats. These files were introduced in 2001 under the standards of ISO/IEX 14496-1:2001. It runs on AAC encoding which restricts the users from copying the data of the files. The data embedding can be done on these files using any private stream. For instance, hint tracks to add the streaming information into the file. These files are similar to most of the modern containers containing data information which allows internet streaming. |
Links |
wikipedia.org |
- Information about MKV |
File extension |
mkv |
File category |
Video |
Stands for |
Matroska Multimedia Container |
Developer |
Steve Lhomme |
Overview |
An unlimited amount of data such as an infinite number of audios, videos, pictures, arbitrary files like XML and subtitle tracks can be stored in MKV files. Although, it has a similar concept that of AVI, MP4; etc., yet, there is one difference. It is an open-source software or has open specifications, whereas, others are different. Furthermore, it allows online streaming and fast seeking which are alluring features. It can be used with ease as it is highly adaptive and can accept any audio and video. |
Technical description |
Files in MKV format store each track in varied dataline. Files in this format use distinctive extensions for storing the data. The extension .MKV is used only for video files(may have subtitles and audio),.MK3D for stereoscopic video, .MKA and .MKS for audio and subtitles respectively. The codecs that are linked to this format are .SRT, Vobsub, .USF(Universal Subtitle Format) and .SSA; etc. It should be noted that not all the media players support this file format but only selective ones like VLC. Besides this, ‘Matroska' is derived from a Russian word that is ‘Matryoshka’ and it refers to a hollow Russian doll which opens to uncover another doll, this doll then again opens to reveal next doll and the process goes on. Other meanings for this word in Russia are a sailor suit and a female sailor. Technical details in depth are available only for private and commercial use. |
Links |
wikipedia.org |