diff options
Diffstat (limited to 'src/cnetz/dsp.c')
| -rw-r--r-- | src/cnetz/dsp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/cnetz/dsp.c b/src/cnetz/dsp.c index 40b2bc6..a74a749 100644 --- a/src/cnetz/dsp.c +++ b/src/cnetz/dsp.c @@ -123,7 +123,7 @@ int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2]) dsp_init_ramp(cnetz); /* init low pass filter for received signal */ - filter_lowpass_init(&cnetz->lp, MAX_MODULATION, cnetz->sender.samplerate, 2); + iir_lowpass_init(&cnetz->lp, MAX_MODULATION, cnetz->sender.samplerate, 2); /* create speech buffer */ cnetz->dsp_speech_buffer = calloc(sizeof(sample_t), cnetz->sender.samplerate); /* buffer is greater than sr/1.1, just to be secure */ @@ -134,7 +134,7 @@ int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2]) } /* reinit the sample rate to shrink/expand audio */ - init_samplerate(&cnetz->sender.srstate, 0x8000, (double)cnetz->sender.samplerate / 1.1); /* 66 <-> 60 */ + init_samplerate(&cnetz->sender.srstate, 8000.0, (double)cnetz->sender.samplerate / 1.1, 3300.0); /* 66 <-> 60 */ rc = fsk_fm_init(&cnetz->fsk_demod, cnetz, cnetz->sender.samplerate, (double)BITRATE / (1.0 + clock_speed[0] / 1000000.0)); if (rc < 0) @@ -584,7 +584,7 @@ void sender_receive(sender_t *sender, sample_t *samples, int length) #endif if (cnetz->dsp_mode != DSP_MODE_OFF) { - filter_process(&cnetz->lp, samples, length); + iir_process(&cnetz->lp, samples, length); fsk_fm_demod(&cnetz->fsk_demod, samples, length); } return; |