In response to the design requirements of headphones, Qualcomm proposed a method that can dynamically adjust the noise reduction effect of headphones according to the fit between the earplug and the user's ear and the sound conduction.Design.
This design solution will initially be applied to Qualcomm's new QCC514x Bluetooth chip, allowing more manufacturers to create headphone accessories that can automatically adjust the noise reduction effect according to different wearing needs.
Because in-ear active noise-cancelling headphones usually require a tight-fitting earbud design, the headphones can block most external noise. The remaining noise is eliminated through software algorithms, but the noise reduction effect may still vary depending on the tightness of the earbuds in different situations.
Qualcomm's proposed design recognizes changes in earbud fit and sound transmission to dynamically adjust noise reduction in real time, eliminating the need for users to adjust earbud size and reducing ear discomfort. Furthermore, this design is not only suitable for music listening but also for voice-activated digital assistants.
Sony has previously proposed a similar design that can dynamically adjust the noise reduction effect according to the wearing position and movement direction of the headphones. Qualcomm's design is based on the earbud patch and the condition of the ear, and provides a design that can automatically adjust the noise reduction effect.
