A sound processing system includes a sound input device for providing a sound input, a
sound output device for providing a sound output, and processing electronics including a …

A person support apparatus, such as a bed, cot, stretcher, or the like, includes an active
noise cancellation device configured to generate a noise cancelling sound wave that is …

US11682412B2 - Information processing method, electronic equipment, and storage
medium - Google Patents US11682412B2 - Information processing method, electronic …

An audio player device includes a sound capturing unit, an audio speaker unit, a storage
unit and a processing unit. The storage unit stores multiple environmental volume ranges …

An engine harmonic cancellation system includes an accelerometer disposed within a
vehicle to detect a harmonic produced by an engine of the vehicle and to produce a …

A method and system of estimating human perception of audibility of audio alerts in the
presence of background noise. In the audibility estimation system, a microphone generates …

(57) ABSTRACT A patient support apparatus comprises a base and a support structure
coupled to the base and being configured to support a patient. The apparatus also …