music-field/document/算法部分.md

##<23>Ժ<EFBFBD><D4BA><EFBFBD>Data<74><61><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD>
1.<2E><><EFBFBD><EFBFBD>Data2color<6F><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>仯<EFBFBD>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫR<C9AB><52>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı仯<C4B1>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫB<C9AB><42>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫG<C9AB><47>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>仯<EFBFBD><E4BBAF>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫֵԽ<D6B5><D4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;<EFBFBD><CDBE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>HSV<53>ڵĺ<DAB5><C4BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>档
##<23><>HSV.hpp<70>ں<EFBFBD><DABA><EFBFBD><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD>
1.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5>RGB<47><42>HSV<53><56><EFBFBD>໥ת<E0BBA5><D7AA><EFBFBD><EFBFBD><EFBFBD>Ա<EFBFBD><D4B1><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD>ı<EFBFBD>S<EFBFBD><53><EFBFBD><EFBFBD><EFBFBD>Ͷȣ<CDB6><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޳̶ȡ<CCB6>
2.<2E><><EFBFBD><EFBFBD>hsv2rgb<67><62><EFBFBD><EFBFBD><EFBFBD><EFBFBD>hsvֵת<D6B5><D7AA><EFBFBD><EFBFBD>rgb<67><62>
3.<2E><><EFBFBD><EFBFBD>rgb2hsv<73><76><EFBFBD><EFBFBD><EFBFBD><EFBFBD>rgbת<62><D7AA><EFBFBD><EFBFBD>hsv<73><76>
##<23><>Get_RGB<47><42><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD>
1.<2E><><EFBFBD><EFBFBD>fftw3<77><33><EFBFBD>ڽ<EFBFBD><DABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>źţ<C5BA><C5A3>ɡ<EFBFBD><C9A1><EFBFBD><EFBFBD>ݲ<EFBFBD><DDB2>֡<EFBFBD><D6A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>msʱ<73><CAB1><EFBFBD><EFBFBD>ÿһʱ<D2BB>̵<EFBFBD><CCB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>fftw3<77>ڵ<EFBFBD>FFTW_MEASURE(<28><><EFBFBD>Խ׶<D4BD>ʹ<EFBFBD><CAB9>FFTW_ESTIMATE)<29>ֽ<EFBFBD>ΪƵ<CEAA><C6B5><EFBFBD>źţ<C5BA><C5A3><EFBFBD>0<EFBFBD><30>FR<46><52>Ƶ<EFBFBD><C6B5>ÿһ<C3BF><D2BB>Ƶ<EFBFBD>ʶ<EFBFBD><CAB6><EFBFBD>Ӧһ<D3A6><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>Ϊ<EFBFBD><CEAA>Ƶ<EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5>Ϊ FR , <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ1024 (NN),<2C><>ô<EFBFBD><C3B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>N<EFBFBD><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5> X(N) = (FR / NN) * N<><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ЩƵ<D0A9><C6B5>ֵ<EFBFBD><D6B5><EFBFBD>ݸ<EFBFBD>hzTospectrum<75><6D>
2.<2E><><EFBFBD><EFBFBD>hztospectrum<75><6D><EFBFBD>ڽ<EFBFBD><DABD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD>ź<EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD>źţ<C5BA><C5A3><EFBFBD><EFBFBD>ݸ<EFBFBD>spectral_color<6F><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD>ӻ<EFBFBD><D3BB><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>˶ȣ<CBB6><C8A3><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>˶<EFBFBD>ΪƵ<CEAA><C6B5>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>2<EFBFBD><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>˶<EFBFBD>ΪƵ<CEAA><C6B5>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>2.<2E><><EFBFBD>ü<EFBFBD><C3BC>㷽<EFBFBD><E3B7BD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>http://www.flutopedia.com/sound_color.html
3.<2E><><EFBFBD><EFBFBD>spectral_color<6F><72><EFBFBD>ڽ<EFBFBD>ÿһ<C3BF><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5>ֵת<D6B5><D7AA>ΪRGBֵ<42><D6B5><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>Դ<EFBFBD><D4B4>https://stackoverflow.com/questions/3407942/rgb-values-of-visible-spectrum
4.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD>п<EFBFBD>ѧ<EFBFBD><D1A7><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD>ܸ<EFBFBD>Ϊ<EFBFBD><CEAA>Ȼ<EFBFBD><C8BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹ<EFBFBD><DAB9><EFBFBD><EFBFBD>Ϲ<EFBFBD><CFB9>ڸ<EFBFBD><DAB8>ӣ<EFBFBD><D3A3><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD>϶<EFBFBD>Ԥ<EFBFBD>ڽ<EFBFBD><DABD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ʹ<EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܿ<EFBFBD><DCBF>Գ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><D1A1>ʹ<EFBFBD>õ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD>㷨<EFBFBD><E3B7A8>