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Minor improvementes to the previous PR #329 AM-SSB-DSB Mic Functionality App

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Brumi-2021 2022-01-01 12:26:35 +01:00
parent e2a2f7a448
commit f4403121a1
1 changed files with 4 additions and 4 deletions
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8
firmware/baseband/dsp_modulate.cpp
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@ -62,8 +62,8 @@ void SSB::execute(const buffer_s16_t& audio, const buffer_c8_t& buffer) {
//default: break; //default: break;
//} //}
i *= 64.0f; i *= 256.0f; // Original 64.0f, now x 4 (+12 dB's SSB BB modulation)
q *= 64.0f; q *= 256.0f; // Original 64.0f, now x 4 (+12 dB's SSB BB modulation)
switch (mode) { switch (mode) {
case Mode::LSB: re = q; im = i; break; case Mode::LSB: re = q; im = i; break;
case Mode::USB: re = i; im = q; break; case Mode::USB: re = i; im = q; break;
@ -123,9 +123,9 @@ void AM::execute(const buffer_s16_t& audio, const buffer_c8_t& buffer) {
} }
q = sample / 32768.0f; q = sample / 32768.0f;
q *= 64.0f; q *= 256.0f; // Original 64.0f,now x4 (+12 dB's BB_modulation in AM & DSB)
switch (mode) { switch (mode) {
case Mode::AM: re = q + 20; im = q + 20; break; case Mode::AM: re = q + 80; im = q + 80; break; // Original DC add +20_DC_level=carrier,now x4 (+12dB's AM carrier)
case Mode::DSB: re = q; im = q; break; case Mode::DSB: re = q; im = q; break;
default: break; default: break;
} }