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video description
Although most people don't bother changing the Bluetooth audio codec used in Android, it has been an option in the hidden Developer Options menu for quite some time. But if you've ever tried to improve the quality of audio streaming on your Bluetooth device, you may have encountered this feature in the past.
By default, Android chooses the system default for which Bluetooth audio codec it wants to use. For most of us, this ends up being something like SBC or AAC. These are the most common codec options available in Bluetooth audio devices, which means they also have the widest range of support.
However, both of these codecs are considered lossy codecs because they significantly compress the audio stream for very fast wireless transfer to your devices. This is excellent in terms of performance and compatibility, but other Bluetooth audio codec options can significantly improve the quality.
You will want to refer to the box or manual that came with your Bluetooth device to find out which codecs your device supports.
In Android 13 QPR Beta 1, we see some interesting additions when it comes to the audio codec options available for your Bluetooth devices.
The first new addition we see here is LC3, which stands for Low Complexity Communication Codec and it was developed as a successor to SBC. It aims to provide higher audio quality and better packet loss concealment than SBC and some tests place it a little further behind earlier versions of Opus, which we'll get to in a minute.
The specification was created for the LE Audio audio protocol, which was introduced in Bluetooth 5.2 and will now be an option you can choose from when choosing your Bluetooth audio codec of choice.
The second new addition we see here is called Opus and has been designed to efficiently encode speed and general audio while remaining low enough for real-time interactive communication. It attempts to reduce its complexity enough that even low-end chips can effectively use the codec for improved audio quality.
Opus is an open format standard and due to its features and capabilities, it is widely used in VoIP applications such as Discord, WhatsApp and others.
The easiest way to change the default Bluetooth audio codec is to dive into the hidden Developer Options menu revealed when you enable Developer Mode on Android.
If you're not sure how to do this, be sure to check out the video description below, as I will have direct links to tutorials that will show you how to do this on different Android smartphones.
It's great to see Google finally adding better Bluetooth audio support in Android with this quarterly release of the platform, as it should help improve the audio quality of these Bluetooth devices.
Step by step tutorial
1. Introduction [00:00]
2. Found in Developer Options menu [01:50]
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