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Everything you need to know about Bluetooth codec: How to change it on Android devices?

A Bluetooth codec improves the sound quality produced by the wireless earphones or headphones. This is how you change it.

Bluetooth technology has made a significant advancement in recent years. It has enabled users to get a high-quality listening experience via wireless sound systems.

What is a Bluetooth codec?

A Bluetooth audio codec plays a critical role in providing high-quality sound through your wireless earphones. Unlike wired earphones, the transmission of audio signals takes place through electromagnetic signals. For successful data transmission with a minimum loss, the codec compresses the audio signals produced by your Android device. The compressed data is transmitted wirelessly to an audio device such as an earphone. The codec again decompresses the data to render it as a natural sound.

Why do we use a Bluetooth codec?

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A human ear can perceive sounds of frequencies ranging between 20HZ and 20KHz. Premium wireless audio devices like high-quality earphones and headphones are able to produce crystal-clear sound in the audible frequency range. However, a majority of less expensive earphones or headphones miss out on few frequencies.

A Bluetooth codec ensures that the hardware of the wireless earphones is utilised to an optimised level to offer an enhanced sound quality. When you enable a codec or switch to a better codec version, the sound quality is automatically improved. The support for Bluetooth codec was first introduced with the Android 8.0 Oreo operating system.

Why would you change the Bluetooth codec on your Android device?

There are several kinds of Bluetooth codec including LDAC, SBC, and aptX HD. The quality delivered may differ across codecs of different brands. To ensure best-quality audio, your Android device spontaneously gets paired with the best-quality codec supported by your earphone.

Sometimes, the audio quality rendered by the selected codec is not up to the mark. You may want to switch to another Bluetooth codec. The android operating system permits you to select a codec of your choice provided it is compatible with your earphones.

Why would you change the Bluetooth codec on your Android device?
Why would you change the Bluetooth codec on your Android device?

How to enable or change the Bluetooth codec on your Android device?

To activate or modify the Bluetooth codec on your Android device, follow these steps.

  • Launch the Settings application on your device.
  • Click the About Phone option. This will display the details about the hardware and software like Phone Name, Network, and Battery.
  • Tap on the Build Number repeatedly seven times to activate the Developer Options.
  • Scroll down and select the desired Bluetooth audio codec.

Before you elect any Bluetooth audio codec, ensure that your earphone or headphone is compatible with the Bluetooth audio codec provided by your Android device.

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