Thoroughly verify the difference between BlueTooth codec and sound quality 

Carefully explain the complicated and difficult-to-understand BlueTooth from the standard. Use the test signal to compare the quality of the main codecs (SBC, aptX, aptX HD / LL) in detail. It also explains how to use it for those who want high-fidelity audio, such as sampling rate conversion and volume control.
#BlueTooth #codec #aptX