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/third_party/alsa-utils/speaker-test/
H A Dst2095.c51 // Limit LpFc <= Nyquist (actually lower, based on 48 vs 22.4 KHz spec cutoff) in initialize_st2095_noise()
54 st2095->LpFc = ST2095_LPFC; in initialize_st2095_noise()
56 if (st2095->LpFc > sample_rate/rateratio) in initialize_st2095_noise()
57 st2095->LpFc = sample_rate/rateratio; in initialize_st2095_noise()
60 st2095->k = tanf(( 2.0 * M_PI * st2095->LpFc / (float)sample_rate ) / 2.0); in initialize_st2095_noise()
H A Dst2095.h16 float LpFc; member

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