Technote 123: Measuring Bluetooth A2DP Profile Audio Quality
January 30, 2014
January 6, 2017
The A2DP Bluetooth® profile is used for high quality music transmission, employing a variety of supported codecs that include MPEG-1, MPEG-2, MPEG-4, AAC, ATRAC, aptX and aptX Low Latency. This technote illustrates how the APx Bluetooth option is used to control and monitor codec selection, measure latency, and test all essential audio parameters such as frequency response and THD+N for Bluetooth-enabled music playback devices.
TN123: Measuring Bluetooth A2DP Profile Audio Quality