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-rw-r--r--src/cnetz/cnetz.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cnetz/cnetz.h b/src/cnetz/cnetz.h
index b9b434a..2eb51a6 100644
--- a/src/cnetz/cnetz.h
+++ b/src/cnetz/cnetz.h
@@ -88,7 +88,7 @@ typedef struct cnetz {
/* dsp states */
enum dsp_mode dsp_mode; /* current mode: audio, "Telegramm", .... */
- filter_t lp; /* low pass filter to eliminate noise above 5280 Hz */
+ iir_filter_t lp; /* low pass filter to eliminate noise above 5280 Hz */
fsk_fm_demod_t fsk_demod; /* demod process */
double fsk_deviation; /* deviation of FSK signal on sound card */
sample_t fsk_ramp_up[256]; /* samples of upward ramp shape */