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FT8 mode: Add suggested default freqs; start Tx audio at t=0.5 s rather than 1.0 s; Correct the displayed value of DT.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7747 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
2017-06-28 18:23:56 +00:00
parent f43104bcaf
commit 7c12bb6718
3 changed files with 19 additions and 3 deletions
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Modulator.cpp
+5
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@@ -86,6 +86,11 @@ void Modulator::start (unsigned symbolsLength, double framesPerSymbol,
if (synchronize && !m_tuning && !m_bFastMode) {
m_silentFrames = m_ic + m_frameRate - (mstr * m_frameRate / 1000);
}
if(m_ic==0 and (m_silentFrames/48000.0 > 0.6) and m_nsps==2048 and m_period==15) {
// FT8 mode: Start audio at t=0.5 s rather than t=1.0 s.
m_silentFrames=m_silentFrames-24000;
}
initialize (QIODevice::ReadOnly, channel);
Q_EMIT stateChanged ((m_state = (synchronize && m_silentFrames) ?
Synchronizing : Active));