So the same-named video may contain different video/audio codecs. An MP4 file always stores H.264/H.265 encoded video and AAC encoded audio. are the container formats for a video, and it just used to package the video codec and audio codec. Then why do you fail to play the same-named MP4/MKV files on the same device? The MP4, MKV, AVI, etc. Now you must have got the answer on why your computer can't play the HEVC videos, that just because of the incompatibility of the HEVC/H.265. However, its compatibility and implementation are not as widespread as with the older H.264 codec, resulting in playback issues on some devices and media players. Specifically, compared with AVC, HEVC offers from 25% to 50% better data compression at the same level of video quality. HEVC/H.265 features a high compression ratio delivering high quality at a lower bit rate. And it is the successor to the widely used AVC (H.264 or MPEG-4 Part 10).

HEVC (High-Efficiency Video Coding), also known as H.265 and MPEG-H Part 2, is a video compression standard. What HEVC/H.265 Is & Why HEVC Video Won't Play Best Solution for HEVC Playback Issues: Convert HEVC to MP4(H.264) Another Solution for HEVC Playback Issue: 3rd-Party HEVC Media PlayerĪlso Read: What Video Format Does iPhone Support? How to Convert? > What HEVC/H.265 Is & Why HEVC Video Won't Playįirst, let's have a quick look into what HEVC/H.265 is, which can help you better understand the reason why the HEVC videos can't play.

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