Bluetooth audio codecs are digital encoders and decoders that compress audio data as it's transferred from one device to another. This is necessary because Bluetooth has a limited bandwidth, so the audio data needs to be compressed in order to be transmitted efficiently.

There are a number of different Bluetooth audio codecs available, each with its own advantages and disadvantages. Some of the most common codecs include:

SBC (Subband Codec): SBC is the oldest and most widely supported Bluetooth audio codec. It offers a good balance of audio quality and bitrate, but it's not as efficient as newer codecs.
AAC (Advanced Audio Coding): AAC is a more efficient codec than SBC, and it offers better audio quality at lower bitrates. AAC is also supported by a wide range of devices.
aptX: aptX is a proprietary codec that offers improved audio quality over SBC and AAC. However, it's not as widely supported as other codecs.
LDAC: LDAC is a high-resolution codec that offers the best audio quality of all the Bluetooth audio codecs. However, it's not as widely supported as other codecs.
When choosing a Bluetooth audio device, it's important to make sure that it supports the same codec as your source device. If the devices don't support the same codec, the audio will be transcoded, which can reduce the quality.

Here are some tips for choosing the right Bluetooth audio codec:

If you're looking for the best possible audio quality, choose a codec that supports high-resolution audio, such as LDAC.
If you're concerned about battery life, choose a codec that is more efficient, such as AAC or aptX.
If you're not sure which codec to choose, choose SBC. It is the most widely supported codec, so you're more likely to be able to use it with your devices.
I hope this helps!




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