What is Bluetooth LE Audio and Classic Audio: Key Differences

Bluetooth LE Audio and Bluetooth Classic Audio are wireless audio technologies designed for different performance requirements. LE Audio offers lower power consumption, improved audio quality, multi stream support and hearing aid compatibility, while Classic Audio remains widely used for traditional wireless headphones, speakers and multimedia devices.

Hearing loss is a widespread issue affecting people globally. To address this, hearing aid companies are constantly innovating to prevent hearing loss and develop effective solutions. They are also focused on empowering individuals with hearing loss to engage in conversations effortlessly.

Bluetooth SIG, in collaboration with hearing aid industries, has introduced Bluetooth Audio, a technology that delivers high-quality sound while minimizing energy consumption. This technology offers two distinct modes of operation: LE Audio and Classic Audio.

Let’s explore the key differences between these two modes.

Major Differences Between Bluetooth LE Audio and Classic Audio

Here’s a breakdown of the core distinctions between Bluetooth LE Audio and Classic Audio:

• Radio Technology:

  • LE Audio: Operates on the Bluetooth Low Energy (BLE) radio.
  • Classic Audio: Operates on the classic Bluetooth radio, also known as BR/EDR (Basic Rate/Enhanced Data Rate) Bluetooth.

• Audio Codec:

  • LE Audio: Utilizes the LC3 codec (Low Complexity Communications Codec).
  • Classic Audio: Employs the SBC codec (Subband Codec).

• Improvements:

  • LE Audio: Offers significant improvements over classic audio products, enhancing experiences like wireless calling, listening, and watching.