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sys/dev/sound/pcm/feeder_eq.c
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| * it proves good enough for educational and general consumption. | * it proves good enough for educational and general consumption. | ||||
| * | * | ||||
| * "Cookbook formulae for audio EQ biquad filter coefficients" | * "Cookbook formulae for audio EQ biquad filter coefficients" | ||||
| * by Robert Bristow-Johnson <rbj@audioimagination.com> | * by Robert Bristow-Johnson <rbj@audioimagination.com> | ||||
| * - http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt | * - http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt | ||||
| */ | */ | ||||
| #ifdef _KERNEL | #ifdef _KERNEL | ||||
| #ifdef HAVE_KERNEL_OPTION_HEADERS | |||||
| #include "opt_snd.h" | |||||
| #endif | |||||
| #include <dev/sound/pcm/sound.h> | #include <dev/sound/pcm/sound.h> | ||||
| #include <dev/sound/pcm/pcm.h> | |||||
| #include "feeder_if.h" | |||||
| #define SND_USE_FXDIV | #define SND_USE_FXDIV | ||||
| #include "snd_fxdiv_gen.h" | #include "snd_fxdiv_gen.h" | ||||
| #endif | #endif | ||||
| #include "feeder_eq_gen.h" | #include "feeder_eq_gen.h" | ||||
| #define FEEDEQ_LEVELS \ | #define FEEDEQ_LEVELS \ | ||||
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