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Compandor: Remove unused option for unaffected level

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This commit is contained in:
Andreas Eversberg
2018-10-14 13:07:25 +02:00
parent 56d8df5351
commit e9a7f610ee
7 changed files with 14 additions and 30 deletions
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3
src/cnetz/dsp.c
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@@ -43,7 +43,6 @@
#define MAX_DEVIATION 4000.0
#define MAX_MODULATION 3000.0
#define DBM0_DEVIATION 4000.0 /* deviation of dBm0 at 1 kHz */
#define COMPANDOR_0DB 1.0 /* A level of 0dBm (1.0) shall be unaccected */
#define FSK_DEVIATION (2500.0 / DBM0_DEVIATION) /* no emphasis */
#define MAX_DISPLAY 1.4 /* something above dBm0, no emphasis */
#define BITRATE 5280.0 /* bits per second */
@@ -151,7 +150,7 @@ int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2], en
/* init compandor, according to C-Netz specs, attack and recovery time
* shall not exceed according to ITU G.162 */
init_compandor(&cnetz->cstate, 8000, 5.0, 22.5, COMPANDOR_0DB);
init_compandor(&cnetz->cstate, 8000, 5.0, 22.5);
/* use this filter to compensate level changes between two subsequent audio chunks */
RC = 1.0 / (CUT_OFF_OFFSET * 2.0 *3.14);