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Bluetooth A2DP (Advanced Audio Distribution Profile)

The Bluetooth Advanced Audio Distribution Profile (A2DP) is a communication protocol designed to transmit high-quality audio between compatible devices, such as smartphones, tablets, and audio accessories. Developed and standardized by the Bluetooth Special Interest Group (SIG), this technology enables seamless audio streaming to wireless headphones, speakers, car audio systems, and other audio devices. A2DP supports stereo sound and is widely used in the industry due to its capacity to provide an enhanced audio experience without the limitations of physical connections. History of A2DP The Advanced Audio Distribution Profile (A2DP) was introduced in 2003 as a key component of the Bluetooth 1.2 specification. It was designed to meet the growing demand for wireless audio streaming between various devices, such as mobile phones and computers. The initial A2DP specification supported two main audio codecs: SBC (Subband Coding) and MP3. While SBC was mandatory for all devices, MP3...