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HPF: Only Use On RTL Input when M17 Encoder Uses It;

This commit is contained in:
lwvmobile 2024-03-19 22:35:36 -04:00
parent b9949f0d80
commit 35a1b53867
1 changed files with 7 additions and 6 deletions
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13
src/m17.c
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@ -1840,7 +1840,7 @@ void encodeM17STR(dsd_opts * opts, dsd_state * state)
#endif
}
//read in RMS value for vox function; NOTE: may not work correctly on STDIN and TCP due to blocking when no samples to read
//read in RMS value for vox function; NOTE: will not work correctly SOCAT STDIO TCP due to blocking when no samples to read
if (opts->audio_in_type == 3) opts->rtl_rms = rtl_return_rms();
else opts->rtl_rms = raw_rms(voice1, nsam, 1) / 2; //dividing by two so mic isn't so sensitive on vox
@ -1852,11 +1852,12 @@ void encodeM17STR(dsd_opts * opts, dsd_state * state)
voice2[i] *= (float)state->aout_gain/ (float)25.0f;
}
//run lpf and hpf
// lpf8 (state, voice1, 160);
// lpf8 (state, voice2, 160);
// hpf (state, voice1, 160);
// hpf (state, voice2, 160);
//run hpf if from the dongle, mic input doesn't need it, and if using SDR++, use the high pass filter there instead
if (opts->audio_in_type == 3)
{
hpf (state, voice1, 160);
hpf (state, voice2, 160);
}
//convert out audio input into CODEC2 (3200bps) 8 byte data stream
uint8_t vc1_bytes[8]; memset (vc1_bytes, 0, sizeof(vc1_bytes));