Patent ID: 11915680
Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
Field: Other consumer goods (Other fields)
Classification: CPC G  H | IPC G  H

Claim 10:
11. The active noise control system according to claim 10, wherein the expected noise control weight value satisfies an equation:, W
      NR
    
    ⁡
    
      (
      
        Z
        i
      
      )
    
  
  =
  
    
      
        
          NR
          ⁡
          
            (
            
              ω
              i
            
            )
          
        
        
          min
          ⁡
          
            (
            
              NR
              ⁡
              
                (
                ω
                )
              
            
            )
          
        
      
      +
      C
    
    
      1
      +
      C
    
  

wherein, Zi=ejwit, WNR(Zi) is the expected noise control weight value, NR(ωi) is a noise control amplitude of the expected noise control curve at a frequency of ωi, min(NR(ω)) is the minimum value of the expected noise control curve at all frequencies, and C is a constant.