Speaker driving device and non-transitory computer-readable storage medium

Abstract

A speaker driving device including a setting part setting at least one parameter defining an equivalent circuit of a first speaker unit as a first parameter; a first calculator configured to change a first frequency response based on the first parameter, the changed first frequency response being applied to an input signal; and a driving signal generator configured to generate a drive signal for driving a speaker unit based on a first calculation signal, the first calculation signal being obtained by applying the changed first frequency response to the input signal.

What is claimed is: 
     
         1 . A speaker driving device comprising:
 a first calculator configured to generate a first calculation signal obtained from an input signal by calculating according to a first electromechanical model using a first parameter, the first parameter stipulating an equivalent circuit of a first speaker unit; and   a driving signal generator configured to generate a driving signal for driving an output speaker unit based on the first calculation signal and a second calculation signal, the second calculation signal being obtained from the driving signal by calculating according to a second electromechanical model using a second parameter, the second parameter stipulating an equivalent circuit of a second speaker unit.   
     
     
         2 . The speaker driving device according to  claim 1 , wherein
 the first calculation signal corresponds to an internal state of the first speaker unit to be driven by the input signal, and the second calculation signal corresponds to an internal state of the second speaker unit to be driven by the driving signal.   
     
     
         3 . The speaker driving device according to  claim 1 , wherein
 the first parameter is different from the second parameter.   
     
     
         4 . The speaker driving device according to  claim 1 , wherein
 the second parameter is the same as a parameter stipulating the equivalent circuit of the output speaker unit.   
     
     
         5 . The speaker driving device according to  claim 1 , further comprising:
 a setting part configured to acquire identification information of the output speaker to set the second parameter based on the identification information.   
     
     
         6 . The speaker driving device according to  claim 1 , wherein
 the first parameter includes a mechanical constant of the first speaker unit.   
     
     
         7 . The speaker drive device according to  claim 1 , wherein
 the second parameter includes a mechanical constant of the second speaker unit.   
     
     
         8 . The speaker driving device according to  claim 1 , wherein
 the first electromechanical model is different from the second electromechanical model.   
     
     
         9 . The speaker driving device according to  claim 1 , wherein
 the first electromechanical model is the same as the second electromechanical model.   
     
     
         10 . The speaker driving device according to  claim 1 , further comprising:
 a first UI provider configured to provide an interface for setting the first parameter by selecting a template.   
     
     
         11 . A non-transitory computer-readable storage medium having program stored thereon, the program causing a computer to:
 generate a first calculation signal obtained from an input signal by calculating according to a first electromechanical model using a first parameter, the first parameter stipulating an equivalent circuit of a first speaker unit; and   generate a driving signal for driving an output speaker unit based on the first calculation signal and a second calculation signal, the second calculation signal being obtained from the driving signal by calculating according to a second electromechanical model using a second parameter, the second parameter stipulating an equivalent circuit of a second speaker unit.   
     
     
         12 . The non-transitory computer-readable storage medium according to  claim 11 , wherein
 the first calculation signal corresponds to an internal state of the first speaker unit to be driven by the input signal, and the second calculation signal corresponds to an internal state of the second speaker unit to be driven by the driving signal.   
     
     
         13 . The non-transitory computer-readable storage medium according to  claim 11 , wherein
 the first parameter is different from the second parameter.   
     
     
         14 . The non-transitory computer-readable storage medium according to  claim 11 , wherein
 the second parameter is the same as a parameter stipulating the equivalent circuit of the output speaker unit.   
     
     
         15 . The non-transitory computer-readable storage medium according to  claim 11 , the program further causing a computer to:
 acquire identification information of the output speaker; and   set the second parameter based on the identification information.   
     
     
         16 . The non-transitory computer-readable storage medium according to  claim 11 , wherein
 the first parameter includes a mechanical constant of the first speaker unit.   
     
     
         17 . The non-transitory computer-readable storage medium according to  claim 11 , wherein
 the second parameter includes a mechanical constant of the second speaker unit.   
     
     
         18 . The non-transitory computer-readable storage medium according to  claim 11 , wherein
 the first electromechanical model is different from the second electromechanical model.   
     
     
         19 . The non-transitory computer-readable storage medium according to  claim 11 , wherein
 the first electromechanical model is the same as the second electromechanical model.   
     
     
         20 . The non-transitory computer-readable storage medium according to  claim 11 , the program further causing a computer to provide an interface for setting the first parameter by selecting a template.