Specifically, the maximum bitrate of 352 kb/s is not much higher than SBC’s 320-345 kb/s (SBC depending on implementation).
Audio FidelityĪs this overview shows, the technical specifications of the base aptX code are similar to that of SBC. Let’s break this quality question down into two different aspects: fidelity and latency. Figuring out whether that is actually true is harder than expected. Qualcomm, who acquired the aptX company CSR in 2015, claims that aptX offers “superior audio”.
Vintage DeWald Table Radio by Joe Haupt under CC What is aptX?ĪptX is an alternative codec for the Bluetooth A2DP protocol.