Operating systems try to be as friendly as possible with the user and that makes many of the options they have They are not too visiblefor that of the simplicity of use and not complicating to those who are not particularly technophiles or fans to struggle: the vast majority. That happens, for example, with the audio.
Android has a variety of options that allow it to improve it and among them is the HD audio. If it doesn’t sound to you at all, it’s normal. Not even appears in the phone settings, unless the Developer options. In this article we will explain What is Android HD audio and how to activate it using the hidden developer options menu.
What is Android HD audio
This hidden android option affects the sound that is transmitted by Bluetooth. That is, you can take advantage if you use some Wireless headphonesYou send sound from your mobile to a Bluetooth speaker or the car audio system, but It does not mean any difference when using the mobile or headphones with cable headphones.
This is because what allows HD audio It is to use High definition Bluetooth Audio Codecs. The codecs are responsible for compressing the audio data on the issuer (your phone) and decompressing them in the receiver (the headphones usually).
SBCinitials of Subband Codingis the Bluetooth codec more basic and universal that all Bluetooth devices admit. However, its compression is not as efficient as that of others and some ears can notice a significant difference between using SBC or more advanced codec as AAC, APTX, LDAC either LHDC.
These offer greater sound loyalty, better resolution (more bits per sample) and/or a greater frequency of sampling, which translates into a richer and detailed auditory experience, closer to the quality of a CD.
Now, keep in mind that, to be able to use them, both your phone and the receiving device must support them.
What are the developer options and how to enable them
To have access to the HD audio option, you must activate the Developer options In Android settings. This is a menu with advanced adjustments that Android keeps hidden by defaultmainly aimed at application developers, enthusiastic users with the subject and technicians. To activate it, you must follow these steps:
- Go to Settings On your phone.
- Show down and look for About the phone either Device information.
- Seeks Compilation number.
- Touches in Compilation number Several times (there are usually 7, but may vary according to the manufacturer). In any case, when you have pressed as many times, a message will appear indicating that the Developer options They have been activated.
Once available, Developer options They will appear as a new element in the menu of Settings. Can appear on the main or sections such as System either Phone information.
How to activate HD audio on Android
With the exception that the route can vary according to the manufacturer, follow these steps:
- Enter Settings.
- Touches in System.
- Touches in Development options.
- Shift to the section Networks and click on the slider HD audio.
Why doesn’t Android let me activate HD audio?
If you get to the option of HD audio And you find it in the faint gray, indicating that you cannot manipulate it, it may be due to several reasons:
- You must have some Bluetooth headphones connected to the mobile. Make sure it is so.
- Also verify that your headphones They are compatible with advanced audio codecs as mentioned above. If the connected device is only compatible with basic codecs such as SBCthen the option HD audio It cannot be enabled because the phone does not detect a compatible device.
- You may have activated the White Bluetooth AAC Listoption below HD audio. Although it is designed to improve compatibility, you can conflict with other HD audio options if the connected device is not on that list or if the system gives priority over other HD codecs. DESCRIB it to access HD audio.
How to know the Bluetooth codec that supports your phone
In the same section of the development options, just after White Bluetooth AAC Listhave Bluetooth audio codecthat by default is established in Use system preference.
Click and you can access a codec listing to choose from. Keep in mind that, so that they do not appear all in faint gray and without option to activate, You must have Bluetooth headphones connected.