Modern Smart TVs from Xiaomi, running on the operating system Android TV or proprietary PatchWall, have powerful multimedia capabilities. Owners often wonder what format video will be guaranteed to play without conversion and loss of quality. The answer depends on the hardware platform of your device and the version of the software, but in General Xiaomi supports most popular standards.
However, even with broad compatibility, users may encounter a situation where a file is not opened or played without sound.This is often due to the codecs used to compress the audio stream, or the specific settings of the container. Understanding the differences between a container (file extension) and a codec (compression algorithm) is the key to successfully viewing content.
In this article, we will take a closer look at the technical details of media playback on Xiaomi TVs, learn about supported resolutions, frame rates and bitrate, and get instructions on how to fix typical errors when connecting external drives.
Supported containers and codecs
Compatibility is based on specific containers such as MP4, MKV, AVI and MOV. Xiaomi TVs can easily read these formats, but the "enterprises" of the file play a crucial role. Video stream is most often encoded by H.264 (AVC) or more modern H.265 (HEVC), which are hardware decoded by the TV processors.
Special attention should be paid to audio codecs. If video is played but no sound, the problem is licensing audio formats. Standard models may not support Dolby Digital or DTS without an external acoustic system decoding these formats, in which case the TV may produce an error or broadcast the image with a delay.
⚠️ Attention: Files with permission 8K or bitrates above 100 Mbps can be played with delays (freezes) on models of the mid-price segment due to bandwidth limitations USB-port-processor.
To ensure maximum compatibility, it is recommended to use files where the video stream is compressed with the H.264 codec, and the audio stream is presented in AAC or MP3 format. This is the “gold standard” that can be read on almost any device, including Xiaomi budget models.
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Use the MKV container to store video with multiple subtitles and audio tracks, as it is the most flexible and supported by Android TV system better than AVI.
Table of format compatibility
To organize information about what video format is needed for a Xiaomi TV, it is convenient to refer to a pivot table, which will help you quickly determine whether you should try to run a specific file or easier to convert it.
| Container | Video codec | Audio codec | Status of support |
|---|---|---|---|
| MP4 | H.264 / H.265 | AAC / MP3 | Full support |
| MKV | H.264 / H.265 / VP9 | AC3 / DTS / AAC | Video support, audio is license dependent |
| AVI | MPEG-4 / H.264 | MP3 | Basic support |
| TS / MTS | H.264 | AC3 | Reproduction is possible with limitations |
As you can see from the table, the MKV format with the DTS audio codec is the most problematic for the embedded player. The system can show the file in the list, but when you start it will give a message about an error in the sound format, in which case you either need to broadcast the sound through an external receiver (if HDMI supports audio return), or use third-party software.
Also worth noting is support for the VP9 codec, which is often used in high-resolution YouTube videos. Xiaomi 4K TVs typically have a VP9 hardware decoder, which ensures smooth playback of content from the network without loading on the processor.
Problems with playback via USB
When you connect a flash drive or external hard drive to a USB TV port, the system automatically scans the file system. Xiaomi devices work most consistently with the NTFS and FAT32 file system. If your drive is formatted in exFAT or EXT4, the TV may not see it without installing additional drivers or applications.
A common problem is insufficient power. USB-The solution is to use external power to the disk or connect via an active disk, in which case the disk can click and the video can be interrupted. USB-hub.
- 🔌 Use the ports. USB 3.0 (blue) for heavy reproduction 4K files, as they provide a higher data transfer rate.
- 💾 Format the drives in NTFS, If you are planning to watch movies over 4GB, you will be able to see them. FAT32 has a limit on the size of a single file.
- 🔋 For the outside HDD More than 1 TB of power is recommended, the built-in port may not cope with peak loads.
If the built-in media player doesn't open the file, but the file system is recognized, the problem is almost certainly the unsupported codec, so don't rush to convert the entire movie to your computer.
☑️ Diagnostics USB-problem
Use of third-party players
Android operating system TV, It's installed on Xiaomi TVs, and it allows you to install apps from the Google Play Store, which gives you access to powerful software players that have their own codecs and are not subject to the limitations of the embedded software. VLC for Android MX Player.
Installing this application solves 99 percent of format problems, such as VLC being able to programmatically decode audio streams of DTS and AC3 that may not work in a standard Media application. These players are adapted to control from the remote, making navigating files easy.
⚠️ Note: When installing third-party players, make sure you download the Android version. TV (with remote control support, not the usual mobile version for smartphones.
You can use voice search on the remote or the Google Play Store app to install the apps. In the search, type in a player name like VLC and click "Install." Then, when you start the video file, the system can suggest you select the default application - select the installed player.
How to install APK from a flash drive?
Streaming and network playback
In the wireless age, the question of “what video format is needed” is transformed into a question of network bandwidth. When playing video over a local network (DLNA, SMB) or over the Internet, bitrate becomes critical. Xiaomi TVs support 802.11ac Wi-Fi standards (5 GHz), which ensures stable transmission of heavy content.
It's convenient to use SMB (Samba) for home media, and the computer or NAS acts as a server, and the TV connects to a shared folder, and in this format, almost any container is broadcast, since decoding takes place on the TV side, and the server only transmits the data stream.
When using the Chromecast built-in feature for broadcasting from a phone or tablet, the format of the source file is less important, since the source device (phone) often takes over stream transcoding on the fly. However, for native server playback, the format requirements remain the same as for USB.
- 📡 For 4K HDR Content use the connection via cable LAN 5GHz Wi-Fi to avoid buffering.
- 🖥️ Set up the server DLNA on a PC to stream video directly from folders without copying to a flash drive.
- 🔄 Protocol SMB Version 2.0 or 3.0 is faster and more stable than the old version. DLNA.
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Network playback via SMB is the most convenient way to view a collection of movies stored on a computer without the need for physical drives.
Setting up the image and sound
After a successful video launch, it is important to adjust the display correctly. From the Xiaomi TV menu, by going to Settings → Image, you can select the mode that corresponds to the content. For movies, Movie or Movie mode is often optimal, which gives the most accurate color reproduction.
Some Xiaomi models support MEMC (Motion Estimation, Motion Compensation) which artificially improves motion smoothness; for 24 frames per second movies, it is better to turn off this feature to avoid the soap opera effect when movement looks unnaturally smooth.
In the audio section (Settings → Sound), you can configure the output of the audio stream. If you use external acoustics via optical output or HDMI ARC, select the Bitstream output format so that the receiver decodes the sound itself. For built-in TV speakers, you'd better choose PCM.