avi is a digital audio and video file format. AVI refers to the audio and video interleaved format, which contains audio (voice) and video (image) data in a file container, allowing simultaneous playback of audio and video; AVI uses a lossy compression method for video files, but the compression is relatively high , so although the picture quality is not very good, its application range is still very wide.
The operating environment of this tutorial: Windows 7 system, Swift Video Converter 1.7.9, Dell G3 computer.
What is the file format of avi
AVI’s full name in English is Audio Video Interleaved, which is the audio and video interleaved format. It was launched by Microsoft in November 1992. A multimedia container format launched in September as part of its Windows video software.
AVI files contain audio (voice) and video (image) data in a file container, allowing simultaneous playback of audio and video. Similar to the DVD video format, AVI files support multiple audio and video streams. AVI information is mainly used on multimedia discs to save various image information such as TV and movies.
AVI uses a lossy compression method for video files, but the compression is relatively high, so although the picture quality is not very good, its application range is still very wide. AVI supports 256 colors and RLE compression. AVI information is mainly used on multimedia optical discs to save various image information such as TV and movies. Although the surface quality is not very good, it occupies a relatively small space, so the scope of application is still very wide.
In layman’s terms, AVI is an audio or video format file. AVI format video files can be played on a computer or smartphone through relevant video player software.
Features of AVI format audio and video files:
1. Simple operation and easy to use;
⒉Adopt advanced encoding technology;
⒊High audio quality;
⒋Support conversion preview;
⒌Supports simultaneous conversion of multiple files;
⒍Supports silent AVI files;
⒎Supports mutual conversion of PAL and NTSC formats;
⒏Supported formats include AVI, MPEG (layer1, layer2, and layer3), MPEG2 and other formats;
⒐Support VCD (MPEG1) , SVCD, DVD (MPEG2) mutual conversion and other functions.
AVI file structure:
AVI file is a more complex RIFF file currently used, which can store synchronously expressed audio and video data at the same time . AVI RIFF file is composed of RIFF file header, hdrl list (data format of AVI file), movi list (AVI audio and video sequence data), and optional index block.
Conversion of AVI format files
Compared with other format files, AVI format files can maintain the quality of audio and video well, but in Some special players also have files in other formats, such as MOV, SWF, VOB, MKV, etc. This requires us to learn how to convert other files to AVI format files. When converting these file formats, you can use Swift Video Converter.
Convert MOV to AVI: We all know that MOV is an audio and video file format developed by Apple. It can be used in players under Apple or Windows systems. Played normally. But under the same conditions, MOV files are larger than AVI files.
SWF conversion to AVI: Friends who have many SWF files are familiar with it. It is what we often call flash animation files. If we want to browse SWF files, we need to install Adobe animation player, so in order to facilitate the playback of SWF files, many friends will convert SWF files into AVI files.
VOB conversion to AVI: VOB is commonly used in DVD video objects and is the key file on DVD discs. It is mainly used to save all MPEG-2 video and audio data. Files in this format are not suitable for editing and transmission, so many friends will choose to convert them to AVI format files.
Conversion operation:
If you want to convert the above format files to AVI format, you need to open the Swift Video Converter first, and then you need to Select "Video Conversion" on the homepage to jump to the desired function page.
After the files in the corresponding format are added to the video converter, you can select the AVI format and the resolution required for the file in the output format. If the output path still needs to be adjusted, just complete the adjustment before conversion.
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