According to the latest information,Sony's new true wireless headset the WF-1000XM4, is already Bluetooth&FCC certified,The WF-1000XM4 will be equipped with MediaTek MT2822S chip, which supports Bluetooth 5.2
The product name of Sony WF-1000XM4 for certification is "Wireless Noise Canceling Stereo Headset", which supports active Noise reduction function. The chip model "MT2822S" was revealed during Bluetooth certification.
The MT2822S chip used in the WF-1000XM4 supports 24bit, 192kHz audio as the previous generation, but the CPU running speed and DSP performance are better, and the hardware has integrated active noise reduction technology.It is not known whether the headphones will be equipped with Sony's noise cancelling chip.
The MT2822S chip supports Bluetooth version 5.2. It is equipped with Hybrid ANC active noise reduction, Tensilica HiFi mini DSP, 2MB/4MB flash memory, integrated Li-ion battery charging controller and power management circuit.But the specific features should be customized by Sony.
In addition, the earplug is a memory sponge, which is helpful to improve the sound quality and reduce the noise effect.And there is a knob-like design at the bottom of the headset, which may be a new way of interaction, such as turning to adjust the volume, pressing to switch the noise reduction mode and so on.But no more information has come to light.