Today Apple introduced new firmware for AirPods Pro, version 2d27. The content of the update is temporarily unknown. However, some users have discovered that the active noise reduction function of AirPods Pro has a popping noise. It is unknown whether this update will improve. As long as users use AirPods Pro as usual, the iPhone will automatically update behind.
Estimate update focus
In addition, since iOS 14 Developer Beta 1 has just been launched, many new elements have been added to AirPods, and AirPods Pro has more Spatial Audio "spatial audio" function, this Firmware update may be related to iOS 14.
Spatial audio with dynamic head tracking provides a theater-like experience for AirPods Pro. Applying a directional audio filter, and then slightly adjusting the frequency of binaural reception, the sound is almost like any position placed in the space, providing a immersive listening experience.