How to Change Bluetooth Codecs and Improve Wireless Audio Quality on Your Android Phone for Free

Tweaking your Bluetooth codec on your Android smartphone will help you get better sound from your wireless headphones. Here’s how to do it.

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How to Change Bluetooth Codecs and Improve Wireless Audio Quality on Your Android Phone for Free

Setting the right Bluetooth codec can help you get more out of your earphones

Highlights
  • You can change the Bluetooth codec in Android through Developer option
  • Newer versions of Android support a wide range of Bluetooth codecs
  • LDAC and aptX HD are the best codecs for sound quality

Back when Bluetooth audio was still new, there was a significant difference in sound quality between a pair of wireless headphones and wired headphones. Those differences have since reduced, as have the prices of good wireless audio products. Today, it's possible to buy a decent pair of Bluetooth headphones for less than Rs. 5,000, and get good audio performance straight out of the box.

However, there's a small, quick, simple, and free trick that can help you get a little bit more out of your wireless headphones and earphones when using it with an Android smartphone — tweak the Bluetooth codec. Follow the steps below to find out how you can improve Bluetooth audio on your Android smartphone for free.

What is a Bluetooth codec?

Before we get into the steps, let's explain the concept of Bluetooth codecs in brief. Bluetooth relies on a specific program or ‘code' which compresses data from the source device to quickly and seamlessly transmit wirelessly, and then decompresses the data on the headset or speaker. Different codecs function differently, with some of the newer and more advanced codecs able to transfer more data packets efficiently.

The most commonly used Bluetooth codec is SBC (Sub Band Codec), which is considered the universal standard and is present on practically every Bluetooth device around today. However, there are newer and more advanced codecs, including AAC (Advanced Audio Coding), Qualcomm aptX, and Sony LDAC.

Bluetooth Is Getting Better but Wireless Audio Still Has a Long Way to Go

How does it work?

Many Android smartphones allow you to tweak the codec in use, with the feature supported on from Android Oreo onwards. The operating system usually chooses the SBC codec by default, but in some cases, you may be able to change to a better codec if available. When using a Qualcomm chipset-powered smartphone with a pair of headphones that support the aptX or aptX HD codecs, for example, the smartphone will automatically select the better codec.

At other times, switching the codec is a manual process. Remember, the headphones or speaker will also need to support the codec in order for this to work. Fortunately it's an easy process that works on Android 8.0 Oreo and later versions.

What codec should I choose?

This depends on which codecs are supported by your Bluetooth headphones, and this is something you should look into before you buy a new pair of wireless headphones. Support for high-quality codecs such as Qualcomm aptX and Sony LDAC is ideal, but is usually limited to high-end headphones and earphones.

Many affordable headphones support the AAC codec apart from SBC. In these cases, manually switching to AAC could improve audio quality on your headphones, since AAC is a more advanced codec than SBC. For high-end headphones, switching to Qualcomm aptX or Sony LDAC will considerably improve sound quality. While aptX will automatically activate on many Android smartphones, LDAC will have to be manually activated in most cases.

change bt codec screens Bluetooth Codec

 

How to change the Bluetooth codec on your Android smartphone

Here's how to change the Bluetooth codec being used by your Android smartphone and improve the resultant audio quality:

  1. Activate Developer options on your smartphone if not already done. Do this by going into your Android smartphone's Settings > About Phone/ About Device > tap on the build number of the phone quickly seven times. This will enable Developer options on the smartphone, giving you access to more tweaks and settings for the device. The Developer options can be found in the Settings menu once activated.
  2. Pair your Bluetooth headphones and connect them to the Android smartphone.
  3. In the Developer options under Settings, scroll down to the Bluetooth audio codec and tap it.
  4. Select one of the codecs apart from the default SBC option. If your headphones support the codec, it will use the selected option and improve the sound quality.

For more tutorials visit our How to section.


Which are the best budget Bluetooth earphones and headphones in India? We discussed this on Orbital, our weekly technology podcast, which you can subscribe to via Apple Podcasts or RSS, download the episode, or just hit the play button below.

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Further reading: Bluetooth, Bluetooth Codec, Android
Ali Pardiwala

Ali has over eight years of experience in the technology space, specialising in writing about all kinds of audio gear and TVs. He’s reviewed all kinds of headphones, speakers, audio gear, and televisions over the years, and is the in-house expert on all gadgets with screens and audio drivers. He is of the firm belief that truly wireless earphones are the future, and will always recommend a 4K TV, but not necessarily a smart TV. In his spare time, Ali likes to watch TV shows and movies ...More

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