HD Audio on Xiaomi: How to turn on and configure for maximum sound quality

You have bought a new Xiaomi Mi. TV or a Redmi smartphone with support HD Audio, but the sound is poor? Or you might notice that the specs say "high-quality audio support" but there are no options in the settings? This problem is familiar to many owners of Xiaomi equipment – the manufacturer often hides advanced sound functions behind several layers of the menu or does not activate them at all by default.

In this article, we will discuss all ways to include HD Audio on Xiaomi devices – from Mi TVs TV Q2 Xiaomi TV A Pro to the flagship smartphone Xiaomi 14 and POCO F6. You will find out which formats are supported (Dolby Atmos, DTS:X, LDAC), How to check your device’s compatibility and what to do if the option is grey and inactive is a common problem on firmware MIUI 14+.

It's important: HD Audio is not just volume, it's a technology that delivers sound with minimal loss of quality. On TVs, that means Dolby Digital Plus and support for the Dolby Digital Plus. DTS HD through HDMI ARC/eARC, And on smartphones, aptX codecs. HD, LDAC or LHDC Without the right setup, you can use the device for years without even knowing what it's capable of.

What is it? HD Audio and why it’s not in default settings

term HD Audio (or High-Definition Audio) combines several technologies that provide high-resolution audio transmission from the top of the spectrum. 16-bit/44.1 kHz (standard) CD) before 24-bit/192 kHz (studio quality) on Xiaomi devices, this is implemented through:

• 📺 On TV: Dolby Atmos support, DTS:X, Passthrough (direct audio transmission without processing) HDMI eARC.
• 📱 On smartphones: advanced Bluetooth codecs (LDAC, aptX Adaptive, LHDC) wireless.
• 🎧 On headphones: hardware support for Hi-Res Audio (for example, in Xiaomi Buds 4 Pro or FlipBuds Pro).

So why are these functions often disabled?

1. License restrictions: Xiaomi does not always pay for Dolby licenses or DTS For example, televisions for the Chinese market may have full support, and European versions may have a reduced support.
2. Hardware restrictions: Cheap models (e.g. Mi) TV 4A) They don’t physically support eARC, even if there’s an option on the menu. HDMI Passthrough.
3. Firmware: On MIUI Google TV (On new TVs, options may be hidden until software updates.

Before trying to turn on HD Audio, check if your device supports it:

• 🔍 On TVs: Go to Settings → On TV. → Specifications and find lines with Dolby, DTS eARC.
• 🔍 On smartphones: in Settings → The phone. → All options look for a mention LDAC or.

How to turn it on HD Audio on Xiaomi TVs (Mi) TV, Xiaomi TV)

On Xiaomi TVs HD Audio is usually associated with Dolby Atmos and DTS:X through HDMI ARC/eARC. However, even if your model supports these formats, they can be disabled by default:

Step 1: Check the connection by HDMI eARC

For transmission HD Audio TV must be connected to the sound system (soundbar, receiver) through the port HDMI eARC (usually marked with the appropriate inscription). HDMI ARC Dolby Digital supports Dolby TrueHD, but not Dolby TrueHD. DTS-HD Master Audio.

🔌 How to check:

• 📌 Connect the cable to the eARC port (on new Xiaomi models) TV Q2 2023 and newer).
• 📌 In the settings of the TV go to Settings → Sound. → HDMI ARC/eARC and turn on the option.
• 📌 Make sure your sound system also supports eARC (e.g., Xiaomi Soundbar Pro soundbars or other soundbars). QCY HT07).

Step 2: Activate Dolby Atmos and DTS:X

If the TV supports these formats, they should be manually enabled:

1. Open the Settings. → Sound. → Additional sound settings.
2. Find options: Dolby Atmos – turn on (if gray, see solution below). DTS:X or DTS Virtual:X - Activate. HDMI Passthrough – set the value of Auto or On.

Restart the TV (this is a must for the application of the changes!).

⚠️ Note: If you have Dolby Atmos options or DTS:X Inactive (in grey), which may mean:

• 🔴 Your model does not support these formats (check the specifications).
• 🔴 A connected device (such as the Mi Box) does not transmit a signal in the correct format.
• 🔴 Firmware updates are required (see section below).

Connection through HDMI eARC|Verification of support Dolby/DTS specification|Update of TV firmware|Reboot after changes in settings-->

Step 3: Set up sound output for external devices

If you connect to a Xiaomi TV external sources (e.g. Apple) TV, NVIDIA Shield or game console, you need to configure the output of sound on them:

1. Source (for example, Apple) TV) Select the Dolby Atmos sound format or DTS:X.
2. On TV in Settings → Sound. → HDMI Install: Sound format: Bitstream (not PCM). Passthrough: Auto.

💡 If the sound is quieter after Dolby Atmos is turned on, it's normal - the technology uses dynamic compression. 5-10 units or enable the Night mode option in the sound settings for balancing.

HD Audio on Xiaomi smartphones: LDAC, aptX and Hi-Res

On smartphones Xiaomi, Redmi and POCO HD Audio is implemented through advanced Bluetooth codecs and support for Hi-Res Audio. Unlike TVs, the main problem here is compatibility with headphones.

Step 1: Checking codec support

Not all Xiaomi smartphones support LDAC or HD. Here is a list of models with full support:

• 📱 Xiaomi 13/14 series — LDAC, aptX Adaptive, LHDC.
• 📱 Redmi K60 Pro — LDAC, aptX HD.
• 📱 POCO F5 Pro — LDAC, AAC.
• 📱 Redmi Note 12 Pro+ — only AAC and SBC (without LDAC).

🔍 How to check:

1. Put your headphones on Bluetooth.
2. Open Settings → Connected devices → Bluetooth settings.
3. Click on the gear icon next to the connected headphones.
4. Check out the audio codec line – if there SBC or AAC, piece HD Audio's offline.

Step 2: Compulsory Incorporation LDAC or

On most smartphones Xiaomi codecs LDAC/aptX They don't automatically turn on. They're activated:

1. Open the Settings. → Additionally. → Developer (if there is no "Developer" option, activate it by clicking 7 times on the Version) MIUI under the heading “On the telephone").
2. Find options: Bluetooth audio quality - select LDAC or HD. Bluetooth Bitrate – set 990 kbps (maximum for the maximum number of users) LDAC).

Reconnect the headphones.

⚠️ Attention: If, after activation, LDAC The sound starts to interrupt, reduce the bitrate to 660 kbps or 330 kbps.The problem may be due to interference in the air or a weak Bluetooth module in the headphones.

Step 3: Set up Hi-Res Audio for wired headphones

For wired headphones (3.5 mm or) USB-C) setup HD Audio is reduced to the inclusion of Hi-Res Audio in the sound settings:

1. Connect headphones with support for Hi-Res (for example, Xiaomi Hybrid Pro) HD).
2. Open the settings → Sound → Sound quality.
3. Enable the Hi-Res Audio option (may be called High Sound Quality).
4. Choose bits: 24-bit/96kHz or 24-bit/192kHz (if maintained).

🎵 Useful tip: To hear the difference between Hi-Res and regular sound, use tracks in format FLAC or WAV Streaming services (e.g. Tidal or Apple Music) offer such tracks in the Lossless section".

Update firmware to unlock HD Audio

Frequently options HD Audios only appear after a firmware update, like on Xiaomi TVs. TV A2 Dolby Atmos support was added only in the June 2023 update, and on Redmi Note 11 smartphones, the codec was added. LDAC appeared MIUI 14.0.4.

How to Upgrade Xiaomi TV

To update the firmware on the TV:

1. Open Settings → About TV → Update system.
2. Click Check for updates.
3. If an update is available, confirm the installation.

How to update your Xiaomi smartphone

On smartphones, the process is similar:

1. Open Settings → About the phone → System update.
2. Click Download Updates.
3. If a beta version is available MIUI, You can try it out (sometimes new codecs come out earlier).

⚠️ Attention: After updating the firmware on the TV, Xiaomi may reset its sound profile. → Sound. → Resetting sound settings and adjusting HD Audio again.

💡

Updating the firmware is a must if the options are HD Audios are absent or inactive, especially for new models where support is added after the fact.

Solving problems with HD Audio on Xiaomi

Even after the right setup HD Audio can get into trouble. Here are the most common ones and their solutions:

Problem 1: Dolby Atmos doesn't work on the Mi TV

If you've turned on Dolby Atmos, the sound hasn't changed:

• 🔊 Check the source of content – not all movies and TV shows support Atmos (look for the Dolby Atmos logo on the cover of Netflix or Disney).+).
• 🔊 In the TV sound settings, set the Sound Mode in the Movie or Game.
• 🔊 Turn off all sound effects (Equalizer, 3D-sound, as they may conflict with Atmos.

Problem 2: LDAC not switched on on a smartphone

If there is no option in Bluetooth settings LDAC:

• 📱 Make sure your smartphone model supports this codec (see list above).
• 📱 Check the version. MIUI — on older versions (below 12.5) LDAC may be absent.
• 📱 Try connecting other headphones (like Sony) WH-1000XM5), Some Xiaomi Buds models do not support LDAC.

Problem. 3: Sound through HDMI ARC/eARC absent

If the soundbar or receiver does not produce the sound:

1. Check that the cable HDMI eARC (Ultra High Speed Cable).
2. Turn on the TV settings HDMI-CEC (It could be called AnyNet.+ simplink).
3. On the soundbar, activate the mode ARC eARC (usually by Input button or menu).

💡

If after all the manipulations the sound still does not work, try to reset the sound settings to the factory: → System system → Resetting settings → Reduce the sound.

Comparison HD Audio on different Xiaomi devices

Not all Xiaomi devices are equally good in terms of sound. Below is a comparison table of capabilities HD Audio on popular models:

📌 Conclusion: Flagship smartphones (Xiaomi) 13/14) Q series TVs offer a full range of technologies HD Audio, while budget models (Redmi Note, Mi) TV 4A) limited to basic codecs (AAC, SBC).

FAQ: Frequent questions on HD Audio on Xiaomi