Shulou(Shulou.com)06/03 Report--

In this issue, the editor will bring you about the five common file types. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.

Common five file types: 1, text file type, suffix name is "txt"; 2, video file format type, suffix name is "mp4"; 3, audio file format type, suffix name is "mp3"; 4, picture file format type, suffix name is "jpg"; 5, executable file format type, suffix name is "exe".

1. Text file type.

Text file types: including ASCII, MIME, .txt and other formats.

(1) the ASCII standard enables text files containing only ASCII characters to interact freely between Unix, Macintosh, Microsoft Windows, DOS and other operating systems.

(2) the type of text file in the MIME standard is "text/plain". In addition, it usually attaches encoded information. Before Mac OS X, when Resource fork specified a file of type "TEXT", Mac OS considered the file to be a text file.

(3) .txt is an extension of a text file that contains very little formatting information. The .txt format is not clearly defined, and it usually refers to those formats that can be accepted by the system terminal or a simple text editor.

2. Video file format type.

There are different categories of video file formats, such as:

(1) Microsoft Video: wmv, asf, asx.

(2) Real Player: rm, rmvb.

(3) MPEG video: mp4.

(4) Mobile video: 3gp.

(5) Apple video: mov, M4V.

(6) other common videos: avi, dat, mkv, flv, vob, etc.

3. Audio file format type.

Audio file format types: including Wave, AIFF, Audio, MPEG, RealAudio, MIDI and other formats.

(1) Wave format is a sound file format developed by Microsoft. It conforms to PIFF (Resource Interchange File Format) file specification. It is used to save audio information resources on WINDOWS platform and is supported by WINDOWS platform and its applications.

(2) AIFF is the abbreviation of audio exchange file format. It is an audio file format developed by Apple computer.

(3) Audio file is a compressed digital audio format developed by Sun Microsystems, which is commonly used in Internet.

(4) MPEG (Moving Picture Experts Group, moving Picture expert Group) represents the moving image compression standard, and the audio file format here refers to the audio part of the MPGE standard.

(5) RealAudio file is a new streaming audio (Streaming Audio) file format developed by RealNetworks. It is included in the audio and video compression specification RealMedia developed by RealNetworks. It is mainly used to transmit audio information in real time over a low-speed wide area network.

(6) MIDI (Musical Instrument Digital Interface, instrument Digital Interface) is a unified international standard for digital music / synthetic instruments, which defines the way in which computer music programs, synthesizers and other electronic devices exchange music signals.

4. The type of picture file format.

Image format is the format in which image files are stored, usually including JPEG, TIFF, RAW, BMP, GIF, PNG and so on. Because the image files captured by the digital camera are very large, but the storage capacity is limited, the images are usually compressed and then saved.

5. Executable file format type.

An executable file (executable file) is a file that can be loaded and executed by the operating system. Executable programs are presented differently in different operating system environments. Under the windows operating system, executable programs can be types such as .exe files, .sys files, .com, and so on.

These are the five common file types that the editor shares with you. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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