C-Netz: Advice about requirement of emphasis done by software
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c2cfce2373
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@ -52,7 +52,7 @@ int auth = 0;
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void print_help(const char *arg0)
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void print_help(const char *arg0)
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{
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{
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print_help_common(arg0, "");
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print_help_common(arg0, "-S <rx ppm>,<tx ppm> -E -e ");
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/* - - */
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/* - - */
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printf(" -t --channel-type <channel type> | list\n");
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printf(" -t --channel-type <channel type> | list\n");
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printf(" Give channel type, use 'list' to get a list. (default = '%s')\n", chan_type_short_name(chan_type[0]));
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printf(" Give channel type, use 'list' to get a list. (default = '%s')\n", chan_type_short_name(chan_type[0]));
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@ -265,6 +265,15 @@ int main(int argc, char *argv[])
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if (i == num_kanal)
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if (i == num_kanal)
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fprintf(stderr, "You did not define any SpK (speech) channel. You will not be able to make any call.\n");
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fprintf(stderr, "You did not define any SpK (speech) channel. You will not be able to make any call.\n");
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if (!do_pre_emphasis || !do_de_emphasis) {
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fprintf(stderr, "*******************************************************************************\n");
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fprintf(stderr, "I strongly suggest to let me do pre- and de-emphasis (options -E -e)!\n");
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fprintf(stderr, "Use a transmitter/receiver without emphasis and let me do that!\n");
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fprintf(stderr, "Because carrier FSK signalling and scrambled voice (default) does not use\n");
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fprintf(stderr, "emphasis, I like to control emphasis by myself for best results.\n");
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fprintf(stderr, "*******************************************************************************\n");
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}
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polarity = 0; /* auto */
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polarity = 0; /* auto */
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if (!strcmp(flip_polarity, "no"))
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if (!strcmp(flip_polarity, "no"))
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polarity = 1; /* positive */
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polarity = 1; /* positive */
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