Bluetooth is widely used as a wireless connection for audio applications including mobile phones, media players, and wearables, removing the need for cables. The combination of the A2DP protocol and frame based codecs used in many Bluetooth stereo audio implementations have led to excessive latency and acoustic performance significantly below CD quality. This paper will cover the latest developments in Bluetooth audio connectivity that will deliver CD quality audio, or better, and low latency for video and gaming applications. These developments together with the increased battery life delivered by Bluetooth Smart could lead to the elimination of wires for many applications.
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