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SecondOrderSection.h
上传用户:anhe341234
上传日期:2021-04-11
资源大小:398k
文件大小:1k
源码类别:
Windows编程
开发平台:
Visual C++
- //---------------------------------------------------------------------------
- #ifndef SecondOrderSectionH
- #define SecondOrderSectionH
- //---------------------------------------------------------------------------
- #include <vector>
- struct sos_coeffs
- {
- float a0,a1,a2,b0,b1,b2;
- };
- class CSOS
- {
- sos_coeffs cf ;
- float xnl[2],ynl[2],xnr[2],ynr[2];
- public:
- CSOS() {xnr[0]=xnr[1]=ynr[0]=ynr[1]=xnl[0]=xnl[1]=ynl[0]=ynl[1]=
- cf.a0=cf.a1=cf.a2=cf.b0=cf.b1=cf.b2=0;};
- void SetCoefficients(sos_coeffs& coef)
- {
- cf = coef;
- //Normalize
- cf.b0 /= cf.a0;
- cf.b1 /= cf.a0;
- cf.b2 /= cf.a0;
- cf.a1 /= cf.a0;
- cf.a2 /= cf.a0;
- };
- //Keep integer data
- void Filter(char* in, char* out, int numsamples);
- //Keep float data
- void Filter(float* in, float* out, int numsamples);
- //Convert from float to integer
- void Filter(float* in, char* out, int numsamples);
- //Convert from integer to float
- void Filter(char* in, float* outdata, int numsamples);
- };
- #endif