Convert AVI to HEVC
About AVI
AVI (Audio Video Interleave) is one of the oldest video formats, developed by Microsoft in 1992. As a container format, it can use a wide variety of codecs for video and audio. While it was once extremely popular, it has been largely superseded by more modern formats like MP4. It lacks modern features like native support for streaming or subtitles and can result in very large file sizes.
About HEVC
This refers to a raw video stream encoded with the HEVC (High-Efficiency Video Coding) codec, also known as H.265. HEVC is the successor to H.264 and offers about 50% better compression efficiency, meaning it can deliver the same quality at half the file size. This makes it ideal for 4K and 8K streaming. A raw .hevc file must be placed in a container like MP4 or MKV to be useful.
AVI vs HEVC
| Feature | AVI | HEVC |
|---|---|---|
| Streaming Support | false | false |
| Subtitle Support | false | false |
| DRM Support | false | false |
| Quality Rating | 3 | 5 |
| Patent Status | proprietary | heavily patented |
| Year Introduced | 1992 | 2013 |
| Developed By | Microsoft | ITU-T/ISO/IEC |
Frequently Asked Questions
Is AVI still a useful format?
For new video projects, AVI is not recommended. Its main use today is for compatibility with older systems or legacy content. Modern formats like MP4 offer better compression, more features, and wider compatibility.
Why do some AVI files not play audio?
This is a common issue with AVI files and is due to its reliance on codecs. The AVI file itself is just a container. If your system does not have the specific audio or video codec installed that was used to create the file, it will not be able to play correctly.
Is HEVC/H.265 the future of video?
It is the current standard for high-resolution video delivery (like 4K Blu-ray and streaming). However, its adoption has been hampered by complex and expensive patent licensing. Newer royalty-free codecs like AV1 are competing to become the next universal standard.
Why do I get an error playing an HEVC file?
Playing HEVC video requires either hardware or software support for the codec. Older devices may not have the necessary hardware decoders. You may need to update your media player, install a codec pack, or use a modern player like VLC that has built-in support for HEVC.
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