Searched refs:atten (Results 1 - 3 of 3) sorted by relevance
/frameworks/av/tools/resampler_tools/ |
H A D | fir.cpp | 99 double atten = 1; local 206 atten = pow(10, -fabs(atof(optarg))*0.05 ); 254 y *= atten; 282 y *= atten;
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/frameworks/av/services/audioflinger/ |
H A D | AudioResamplerFirGen.h | 636 * @param atten is the attenuation (generally slightly less than 1). 641 double stopBandAtten, double fcr, double atten) { 669 const double yscale = atten * L / (I0(beta) * M_PI); 692 y = 2. * atten * fcr; // center of filter, sinc(0) = 1. 640 firKaiserGen(T* coef, int L, int halfNumCoef, double stopBandAtten, double fcr, double atten) argument
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H A D | AudioResamplerDyn.cpp | 217 static const double atten = 0.9998; // to avoid ripple overflow local 228 firKaiserGen(buf, c.mL, c.mHalfNumCoefs, stopBandAtten, fcr, atten); 236 printf("L:%d hnc:%d stopBandAtten:%lf fcr:%lf atten:%lf tbw:%lf\n", 237 c.mL, c.mHalfNumCoefs, stopBandAtten, fcr, atten, tbw);
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