Sound recognition method and automatic control method of range hood using sound recognition method

A technology of voice recognition and range hood, applied in voice recognition, applications, and oil fume removal, etc., can solve problems such as high cost, inability to cooperate with use, and limited processing capacity, and achieve low data storage requirements, reduce data calculations, The effect of reducing production costs

Active Publication Date: 2019-12-31
NINGBO FOTILE KITCHEN WARE CO LTD
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Problems solved by technology

However, this method has certain defects: the communication transmitting and receiving modules must match, if the range hood and the gas stove are not of the same brand, this will lead to the inability to cooperate with each other, and the wireless communication module is also prone to electromagnetic interference, so it is reliable in complex electromagnetic environments. sex is difficult to guarantee
[0003] The authorized publication number is CN103673008B (application number is 201310422741.4) Chinese invention patent "An intelligent range hood and the control method of the range hood", and the application publication number is CN107031533A (application number is 201710348689.0) Chinese invention patent application " An Automatic Driving System and Control Method for a R

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  • Sound recognition method and automatic control method of range hood using sound recognition method
  • Sound recognition method and automatic control method of range hood using sound recognition method
  • Sound recognition method and automatic control method of range hood using sound recognition method

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[0032] The present invention will be described in further detail below in conjunction with the embodiments of the drawings.

[0033] The voice recognition method in this embodiment can be applied in various environments, and is particularly suitable for application in household appliances with relatively monotonous voice characteristics. In this embodiment, the use of the voice recognition method in a range hood is taken as an example for description.

[0034] The range hood can be equipped with an infrared detection device, a sound collection device, and a controller. The infrared detection device and the sound collection device are electrically connected to the controller, and then data is transmitted to the controller. The controller can target the sound signal collected by the sound collection device Use the following voice recognition method to identify, and then control the range hood to start, suck the range hood, adjust the gear, and close the range hood.

[0035] The infrar...

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Abstract

The invention relates to a sound recognition method. The method is characterized in that a first-order differential calculation is performed on a sound sampling signal X, a first-order difference dataset Y is obtained, furthermore, first-order difference data y<j> in the first-order differential data set Y is compared with first-order differential data threshold y for calculation to obtain afirst-order differential characteristic data set V<Y>=[v<1>, v<2>, ... v<j>, ... v<n>], a sequence number data set of v<j>=K<2> in the first-order differential characteristic data set is obtained, thereby an identification feature vector V of a to-be-identified sound signal is acquired, and integrating degree comparison and calculation are carried out on the identification feature vector V of theto-be-identified sound signal and a sound template feature vector V<sam>, thereby the content of the to-be-identified sound signal is determined. The sound recognition method can effectively reduce the data processing amount. The invention further relates to a control method of a range hood with the sound recognition method, and the range hood is used for controlling the operation of the range hood according to the recognized sound content. The automatic control method of the range hood has the advantages of good sound recognition performance and low cost.

Description

technical field [0001] The invention relates to the technical field of voice recognition, in particular to a voice recognition method, and also to an automatic control method for a range hood equipped with the voice recognition method. Background technique [0002] In daily life, the range hood and the gas stove are usually used at the same time, and the existing range hood is linked so that the range hood and the gas stove work together. A common smoke cooker linkage method is to use infrared and radio frequency communication transmitting modules in the gas cooker, and install corresponding receiving modules in the range hood. When the gas stove is turned on, the communication transmitting module transmits a control signal to the range hood, and the range hood turns on after receiving the control signal, thereby completing the range hood linkage. However, this method has certain defects: the communication transmitting and receiving modules must match, if the range hood and...

Claims

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Application Information

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IPC IPC(8): F24C15/20G10L15/22G10L15/28
CPCF24C15/2021G10L15/22G10L15/28G10L2015/223
Inventor 杜杉杉
Owner NINGBO FOTILE KITCHEN WARE CO LTD
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