3results about How to "Hearing protection" patented technology

This application provides a voice gain control method, apparatus, voice control device, and storage medium, relating to the field of voice signal processing technology. The method includes: determining a target gain level for the current statistical period based on a first volume parameter of multiple frames of voice signals within a historical statistical period; and adjusting the second volume parameter of each frame of voice signal within the current statistical period based on a second volume parameter and the target gain level. This application can improve the stability of voice signal volume gain control.

The utility model relates to the technical field of protective appliance especially is concerned on a kind of noise reduction goggles, including mirror frame and temple, the both ends of mirror frame are hinged respectively with temple, mirror frame is equipped with goggles lens, temple is equipped with noise reduction pendant, noise reduction pendant is equipped with adjusting mechanism, cotton thread and noise reduction earplug, one end of cotton thread is connected in adjusting mechanism, its other end is connected in noise reduction earplug, adjusting mechanism is installed in temple, and the length of cotton thread is adjusted, to release or retract noise reduction earplug. From the above, the efficient integration of the goggles and the noise reduction earplug is achieved, providing one-key retracting and automatic indexing function, significantly improving user experience and operation convenience, while ensuring the stability and safety of the equipment, suitable for a variety of high-noise scenes, meeting the user's needs in protecting eyes and hearing, also improving the practicability and aesthetics of the product.