If you have ever encountered the term HD Audio is in the specs of Xiaomi TVs or smartphones, but didn't understand what it meant in practice - this article is for you.The manufacturer is actively introducing high-quality sound technology into its machinery, but marketing language is often misleading. Here we will examine what exactly is hidden behind the abbreviation. HD Audio, what standards Xiaomi uses, and how it affects your experience listening to music, movies or games.
It's important to distinguish HD Audio is from conventional stereo or virtual surround sound. It's not just volume or number of speakers, but a suite of technologies that include support for high sampling frequencies, advanced codecs and signal processing. In the Xiaomi ecosystem, the term can mean different things depending on the device: from hardware support to hardware. 24-bit/192kHz in smartphones to proprietary algorithms for improving sound in Mi TVs TV or Mi Soundbar soundbars.
In this article, we will not limit ourselves to theoretical calculations, but will show you how to check whether your device supports the use of the device. HD Audio, how to enable the appropriate settings (if any), and whether to chase this feature at all. HD Audio automatically improves the sound of any content (spoiler: no).
What is it? HD Audio: A Technical Explanation
HD Audio (High-Definition Audio) is a sound standard that surpasses traditional audio. CD-Quality (16 bits / 44.1 kHz) In the context of Xiaomi devices, this term may be understood as:
- π Hardware support for high sampling frequencies (up to) 192 kHz) and grade (up to) 24/32 bits in digital-analog converters (DAC).
- π΅ Software codecs such as LDAC, aptX HD or LHDC, lossless wireless transmission.
- πΊ Branded sound processing algorithms in TVs (e.g. Dolby Audio or Dolby Audio) DTS-HD Mi models TV Q2 or Redmi Smart TV X).
- π§ Certification for headphones (for example, Mi True Wireless Earphones 3 with support) LDAC).
The key difference from regular sound is the minimal quality loss of recording, processing and playback, such as a music file in a format. FLAC 24/96 It will sound richer on the device. HD Audio, than on a standard smartphone with only support 16/44.1. However, this only works if the:
- πΏ The content source is recorded in high resolution (not all streaming services support this).
- π Compatible wires/wireless protocols are used (e.g, USB Type-C with Audio 2.0 or Bluetooth 5.2 support+).
- ποΈ The device settings have the appropriate options enabled (they are often disabled by default!).
β οΈ Note: Many Xiaomi devices in the characteristics indicate support HD Audio, but in practice, this can only mean having a DAC with a margin in frequencies, without real optimization for high-quality sound. 24-bit", But without good speakers or headphones, you can't hear the difference.
What Xiaomi devices support HD Audio
Technology HD Audio is not available in all Xiaomi gadgets. Below is a table with key series and their capabilities:
| Type of device | Models with HD Audio | Supported standards | Notes |
|---|---|---|---|
| Flagship smartphones | Xiaomi 13 Ultra, 14 Pro, MIX Fold 3 | 24-bit/192kHz, LDAC, aptX Adaptive | It requires headphones with support for Hi-Res Audio. |
| Televisions | Mi TV Q2 75", Redmi Smart TV X90, Xiaomi TV A Pro | Dolby Atmos, DTS:X, PCM 7.1 | HD Audio only works through the HDMI eARC or optical output. |
| Headphones | Mi True Wireless Earphones 3, Buds 4 Pro, FlipBuds Pro | LDAC, LHDC, AAC | For a full-fledged HD You need a smartphone with support for the same codecs. |
| Soundbara | Mi Soundbar Pro, Redmi Soundbar | Dolby Digital Plus, 24-bit DAC | Connection to HDMI ARC or. |
| Budget smartphones | Redmi Note 12 Pro+, POCO F5 | 24-bit/96kHz (limitedly) | Often only on paper β the actual quality depends on the speakers. |
Important: Even if your device is on the list, it doesn't guarantee automatic audio enhancement. e.g. Xiaomi smartphone 13T supportive LDAC, But to activate it, you need to manually select the codec in the Bluetooth settings, and the source (for example, Spotify) must transmit music in high resolution.
To check for support HD Audio on its device:
- Open the Settings. β The phone. β All characteristics (for smartphones) or Settings β Sound. β Additional (for televisions).
- Look for mentions. 24-bit, 192kHz, LDAC, Dolby Atmos or Hi-Res Audio.
- For headphones, look at the box or in the Mi Home app (if they are connected to the Xiaomi ecosystem).
How to turn it on HD Audio on Xiaomi smartphones
If your smartphone supports you HD Audio is probably disabled by default to save battery power. Here's how to activate it:
For wired connection (earphones/columns)
- Connect compatible headphones through USB-C or 3.5 mm (if connector is available).
- Go to Settings. β Sound. β Sound quality (path may vary depending on version) MIUI).
- Choose High Quality (Hi-Res) or 24-bit/192kHz.
- In some models (for example, Xiaomi 14) you need to additionally enable Minimize sound processing.
For wireless connection (Bluetooth)
It is important to choose the right codec:
- Put your headphones on Bluetooth.
- Open Settings β Connected devices β Settings gear next to the headphones.
- In the section Sound Quality or Audio Codec select LDAC (priority), aptX HD or LHDC.
- Turn on Absolute Volume (if any) to avoid double-processing.
Note: Headphones and smartphones must support the same codec, for example, if you choose to use the same codec. LDAC Xiaomi 13 Pro, but your headphones only support AAC, the sound will be transmitted through AAC.
Are headphones/columns connected with Hi-Res support?
Whether the codec is selected LDAC/aptX HD Bluetooth?
Is the βSound Improvementβ or βEqualizerβ option disabled (they can spoil the signal)?
Whether the source is verified (e.g., Tidal or FLAC-file)?-->
HD Audio in Xiaomi TVs: features and settings
Xiaomi TVs are the technology HD Audio is implemented differently than in smartphones, and here it usually includes support for multi-channel sound (5.1, 7.1) and advanced formats such as Dolby Atmos or other advanced formats. DTS:X. But there are nuances:
- πΊ Built-in speakers even for flagship TVs (e.g. Mi). TV Q2) They are not physically capable of reproducing the real HD Audio, for full effect, you need an external soundbar or AV-receiver.
- π The connection must be through HDMI eARC or optical cable. Bluetooth or 3.5 mm is not broadcasting high-quality audio.
- π¬ The content source must support the appropriate formats, for example, Netflix only broadcasts Dolby Atmos in paid rates and on compatible movies.
To set up HD Audio on Xiaomi TV:
- Go to Settings β Sound β Output sound.
- Choose. HDMI ARC Optical (depending on the connection).
- Enable Dolby Digital Plus or Passthrough (direct audio transmission without processing).
- If the soundbar is connected, select the appropriate mode in its settings (for example, HDMI IN).
β οΈ Note: On Xiaomi TVs with MIUI TV Before version 3.0, there may be no support for Dolby Atmos through built-in apps (such as Mi Video), so you can use external players like Kodi or other devices. VLC, Supports direct sound transmission (Passthrough).
Why TV's built-in speakers don't give real HD Audio?
Myths and Realities: What Not to Expect HD Audio in Xiaomi
Advertising often exaggerates opportunities HD Audio. Let's take a look at the most common misconceptions:
- π« "HD Audio will improve the sound of any content" β No, if the source is compressed. MP3 128 kbps or low bitrate streaming, no DAC will make it "high quality".
- π« "All Xiaomi headphones support Hi-Res Audio" β Only models with LDAC or LHDC (Budget Redmi Buds are often limited. AAC.
- π« "HD Audio = loudspeak" β It's about quality, not volume. Sometimes high resolution even sounds quieter because there's no artificial amplification of low frequencies.
- π« "On a Xiaomi smartphone HD Audio operates through a 3.5 mm connector" β Only if the connector is connected to a dedicated DAC (as in Xiaomi 10). In most modern models, 3.5 mm is an analog output without support. 24-bit.
Another important moment: HD Audio can eat the battery. LDAC 990 kbps increases energy consumption by 15-20% compared to AAC. If youβre listening to music on the subway, it might make sense to switch to aptX or SBC charge-saving.
π‘
To check if it really works HD Audio, use the test tracks from the site 2L.no (free-file 24/96). If you donβt hear the difference between them and the usual MP3 β Your system is not configured correctly or your hardware does not support high resolution.
Comparison HD Audio in Xiaomi with competitors
How technology works HD Audio in Xiaomi devices correlates with other brands? let's take a look at the key differences:
| Brand | Technology HD Audio | Advantages | Deficiencies |
|---|---|---|---|
| Xiaomi | LDAC, LHDC, 24-bit/192kHz DAC, Dolby Atmos (in TV) | Wide support in the ecosystem, inexpensive devices with HD Audio. | The quality of the implementation depends on the model (budget smartphones are often βcheatedβ with the characteristics). |
| Samsung | Samsung Seamless Codec, AKG-setting, Dolby Atmos | Best Optimization for Your Headphones (like Galaxy) Buds2 Pro). | Closed ecosystem β HD Audio often only works with Samsung devices. |
| Apple | Apple Lossless (ALAC), Spatial Audio, 24-bit/48kHz | Stable work, integration with Apple Music (free Hi-Res). | Limited support for codecs (no) LDAC or). |
| Sony | LDAC, DSEE Extreme, 32-bit DAC | Best hardware (e.g., Xperia 1V) | Expensive devices, a weak ecosystem of accessories. |
Xiaomi occupies an intermediate position: on the one hand, the brand offers a new product. HD Audio even in mid-budget devices (e.g., Audio, POCO F5 Pro, on the other hand, is often inferior to Sony or Samsung, and the main advantage is compatibility within the ecosystem, such as Mi Buds 4 Pro headphones with codec. LHDC It will sound better with Xiaomi phones than with other brands.
π‘
If you care about sound quality, not brand β choose devices with support LDAC Or aptX Adaptive. In the Xiaomi ecosystem, these are the smartphones in the series. 13/14 and Buds headphones. 4 Pro/FlipBuds Pro.
Problems with HD Audio on Xiaomi and how to solve them
Even if your device supports you HD Audio, you may run into problems. Here are the most common and ways to fix them:
1.The sound is interrupted or is interrupted.
Reasons:
- πΆ Unstable Bluetooth connection (especially relevant for the LDAC, nuisance-sensitive).
- π Energy savings (in MIUI It can automatically reduce the sound quality).
- π§ Incompatibility of headphones and smartphones (for example, headphones support only AAC, You chose LDAC).
Decision:
- Switch to the aptX codec or SBC (less-complex).
- Turn off the Adaptive Battery in the power settings.
- Update the firmware of headphones and smartphone.
2. No sound through HDMI eARC on TV
Reasons:
- β‘ Incorrect audio output settings (e.g. selected) PCM instead of Passthrough).
- π Incompatible cable (needed) HDMI 2.1 for Dolby Atmos).
- πΊ Outdated TV firmware (in MIUI TV Up to version 2.0 there were bugs with eARC).
Decision:
- In the settings of the TV, select HDMI Input β eARC Mode: On.
- Check if your Dolby Digital Plus soundbar supports it (not all budget models can).
- Reset the sound settings to factory (Settings) β Sound. β Reset).
3. Low volume when switched on HD Audio
This is normal: high-quality codecs (e.g, LDAC) They don't use artificial amplification to increase the volume:
- Turn on the sound amplifier in the headphone settings (if any).
- Turn off Absolute Volume in Bluetooth settings (sometimes this helps).
- Use an equalizer with high/low frequency rise (but this can degrade the quality).
β οΈ Attention: If, after activation, HD Audio in the headphones appeared background noise (hisping), this may indicate a poor cable shielding or a malfunction of the DAC. In this case, it is better to turn off the high resolution and contact the service center - especially if the device is warranty.