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Change emphasis time constant to 750µS

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Geoffrey Merck 2020-04-30 10:26:04 +02:00
parent b2f33fd4d2
commit 69e39e36b0
2 changed files with 14 additions and 11 deletions
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4
FM.cpp
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@ -39,8 +39,8 @@ m_hangTimer(),
m_filterStage1( 724, 1448, 724, 32768, -37895, 21352),//3rd order Cheby Filter 300 to 2700Hz, 0.2dB passband ripple, sampling rate 24kHz
m_filterStage2(32768, 0,-32768, 32768, -50339, 19052),
m_filterStage3(32768, -65536, 32768, 32768, -64075, 31460),
m_preemphasis(32768, 13967, 0, 32768, -18801, 0),//75µS 24kHz sampling rate
m_deemphasis (32768, -18801, 0, 32768, 13967, 0),//75µS 24kHz sampling rate
m_preemphasis(32768, 1771, 0, 32768, -30997, 0),//750µS 24kHz sampling rate
m_deemphasis (32768, -30997, 0, 32768, 1771, 0),//750µS 24kHz sampling rate
m_blanking(),
m_useCOS(true),
m_rfAudioBoost(1U),