Elevator car with voice recognition device

The utility model discloses an elevator car with a voice recognition device, which relates to the technical field of elevators and comprises a car wall, a display panel is arranged on the upper portion of the car wall, and an interphone, the voice recognition device and a button are sequentially arr...

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Bibliographic Details
Main Author DENG HUIJUN
Format Patent
LanguageChinese
English
Published 16.06.2020
Subjects
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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Summary:The utility model discloses an elevator car with a voice recognition device, which relates to the technical field of elevators and comprises a car wall, a display panel is arranged on the upper portion of the car wall, and an interphone, the voice recognition device and a button are sequentially arranged below the display panel. The voice recognition device comprises an input end, an output end, acontroller, an upper computer and a plurality of microphones, the microphones are connected with the controller through the input end, the controller is connected with the output end through the upper computer, and the button is connected with the output end. The controller comprises a multi-channel audio codec and a DSP chip which are connected with each other, the multi-channel audio codec is connected with an upper computer through the DSP chip, and an echo cancellation circuit is arranged in the DSP chip. According to the utility model, noise can be effectively filtered, information transmission with an upper com
Bibliography:Application Number: CN201921741528U