kopia lustrzana https://github.com/f4exb/sdrangel
Added documentation for the modulators
f4exb
rodzic
6ec6ab41b9
commit
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<h1>AM modulator plugin</h1>
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<h2>Introduction</h2>
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This plugin can be used to generate a narrowband amplitude modulated signal. "Narrowband" means that the bandwidth can vary from 1 to 40 kHz.
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<h2>Interface</h2>
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<h3>1: Frequency shift from center frequency of reception direction</h3>
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The "+/-" button on the left side of the dial toggles between positive and negative shift.
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<h3>2: Frequency shift from center frequency of reception value</h3>
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Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
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<h3>3: Channel power</h3>
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Average total power in dB relative to a +/- 1.0 amplitude signal generated in the pass band.
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<h3>4: Audio mute</h3>
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Use this button to toggle audio mute for this channel.
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<h3>5: RF bandwidth</h3>
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This is the bandwidth in kHz of the channel signal filtered after modulation. It can be set continuously in 1 kHz steps from 1 to 40 kHz.
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<h3>6: Modulation level</h3>
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Adjusts the AM modulation level in %
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<h3>7: Volume</h3>
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This is the volume of the audio signal from 0.0 (mute) to 2.0 (maximum). It can be varied continuously in 0.1 steps using the dial button.
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<h3>8: Level meter in %</h3>
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- top bar (beige): average value
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- bottom bar (brown): instantaneous peak value
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- tip vertical bar (bright red): peak hold value
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You should aim at keepimg the peak value below 100% using the volume control
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<h3>9: Input source control</h3>
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<h4>9.1: Tone input select</h4>
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Switches to the tone input. You must switch it off to make other inputs available.
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<h4>9.2: Morse keyer input select</h4>
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Switches to the Morse keyer input. You must switch it off to make other inputs available.
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<h4>9.3: Tone frequency (kHz)</h4>
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Adjusts the tone frequqncy from 0.1 to 2.5 kHz in 0.01 kHz steps
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<h4>9.4: Audio input select</h4>
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Switches to the audio input. You must switch it off to make other inputs available.
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<h3>10: CW (Morse) text</h3>
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Enter the text to be keyed when Morse input is active and in text mode
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<h3>11: Clear CW text</h3>
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Clears the CW (Morse) text
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<h3>12: Morse keyer controls</h3>
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<h4>12.1: CW keying speed</h4>
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Sets the CW speed in Words Per Minute (WPM). This is based on the word "PARIS" sent 5 times. For 5 WPM the dot length is 240 ms. In other terms the dot length is calculated as 1.2 / WPM seconds. The dot length is used as the base to compute other timings:
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- Element (dot or dash) silence separator: 1 dot length
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- Dash: 3 dot lengths
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- Character silence separator: 3 dot lengths
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- Word separator: 7 dot lengths
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<h4>12.2: Dots keying</h4>
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Switch this button to send dots continuously
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<h4>12.3: Dashes keying</h4>
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Switch this button to send dashes continuously
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<h4>12.4: Text keying</h4>
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Switch this button to send the text typed into the text box (10)
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<h4>12.5: Text auto repeat</h4>
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Switch this button to auto repeat the text keying
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<h4>12.6: Text play/stop</h4>
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Use this button to stop sending text. When resuming keying restarts at the start of text
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<h3>13: Audio file path</h3>
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The path to the selected audio file to be played or dots if unselected
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<h3>14: Audio file play controls</h3>
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<h4>14.1: Audio file select</h4>
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Opens a file dialog to select the audio file to be played. It must be mono 48 kHz 16LE raw format.
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<h4>14.2: Audio file loop</h4>
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Autio replay file at the end
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<h4>14.3: Play/pause file play</h4>
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Toggle play/pause file play. When paused the slider below (17) can be used to randomly set the position in the file when re-starting.
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<h3>15: Play file current position</h3>
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This is the current audio file play position in time units relative to the start
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<h3>16: Play file length</h3>
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This isthe audio file play length in time units
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<h3>17: Play file position slider</h3>
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This slider can be used to randomly set the currennt position in the file when file play is in pause state (button 14.3)
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@ -0,0 +1,150 @@
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<h1>NFM modulator plugin</h1>
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<h2>Introduction</h2>
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This plugin can be used to generate a narrowband frequency modulated signal. "Narrowband" means that the bandwidth can vary from 1 to 40 kHz.
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<h2>Interface</h2>
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<h3>1: Frequency shift from center frequency of reception direction</h3>
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The "+/-" button on the left side of the dial toggles between positive and negative shift.
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||||
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<h3>2: Frequency shift from center frequency of reception value</h3>
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||||
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Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
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<h3>3: Channel power</h3>
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Average total power in dB relative to a +/- 1.0 amplitude signal generated in the pass band.
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<h3>4: Audio mute</h3>
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Use this button to toggle audio mute for this channel.
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<h3>5: RF bandwidth</h3>
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This is the bandwidth in kHz of the channel signal filtered after modulation. It can be set in discrete values: 3, 4, 5, 6.25, 8.33, 10, 12.5, 15, 20, 25 and 40 kHz
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<h3>6: Audio frequency bandwidth</h3>
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This is the bandwidth in khz of the modulating signal filtered before modulation. It can be set in kHz steps from 1 to 20 kHz
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<h3>7: Frequency deviation</h3>
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Adjusts the frequency deviation in 0.1 kHz steps from 0 to 25 kHz
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<h3>8: Volume</h3>
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This is the volume of the audio signal from 0.0 (mute) to 2.0 (maximum). It can be varied continuously in 0.1 steps using the dial button.
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<h3>9: Level meter in %</h3>
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- top bar (beige): average value
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- bottom bar (brown): instantaneous peak value
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- tip vertical bar (bright red): peak hold value
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You should aim at keepimg the peak value below 100% using the volume control
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<h3>10: Input source control</h3>
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<h4>10.1: Tone input select</h4>
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Switches to the tone input. You must switch it off to make other inputs available.
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<h4>10.2: Morse keyer input select</h4>
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Switches to the Morse keyer input. You must switch it off to make other inputs available.
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<h4>10.3: Tone frequency (kHz)</h4>
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Adjusts the tone frequqncy from 0.1 to 2.5 kHz in 0.01 kHz steps
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<h4>10.4: Audio input select</h4>
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Switches to the audio input. You must switch it off to make other inputs available.
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<h3>11: CTCSS switch</h3>
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Checkbox to switch on the CTCSS sub-audio tone
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<h3>12: CTSS tone frequency</h3>
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Select the CTCSS sub-audio tone in Hz among these values: 67.0, 71.9, 74.4, 77.0, 79.7, 82.5, 85.4, 88.5, 91.5, 94.8, 97.4, 100.0, 103.5, 107.2, 110.9, 114.8, 118.8, 123.0, 127.3, 131.8, 136.5, 141.3, 146.2, 151.4, 156.7, 162.2, 167.9, 173.8, 179.9, 186.2, 192.8 and 203.5 Hz
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<h3>14: CW (Morse) text</h3>
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Enter the text to be keyed when Morse input is active and in text mode
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<h3>15: Clear CW text</h3>
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Clears the CW (Morse) text
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<h3>16: Morse keyer controls</h3>
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<h4>16.1: CW keying speed</h4>
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Sets the CW speed in Words Per Minute (WPM). This is based on the word "PARIS" sent 5 times. For 5 WPM the dot length is 240 ms. In other terms the dot length is calculated as 1.2 / WPM seconds. The dot length is used as the base to compute other timings:
|
||||
|
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- Element (dot or dash) silence separator: 1 dot length
|
||||
- Dash: 3 dot lengths
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- Character silence separator: 3 dot lengths
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- Word separator: 7 dot lengths
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<h4>16.2: Dots keying</h4>
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Switch this button to send dots continuously
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<h4>16.3: Dashes keying</h4>
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Switch this button to send dashes continuously
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<h4>16.4: Text keying</h4>
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Switch this button to send the text typed into the text box (14)
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<h4>16.5: Text auto repeat</h4>
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Switch this button to auto repeat the text keying
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<h4>12.6: Text play/stop</h4>
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Use this button to stop sending text. When resuming keying restarts at the start of text
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<h3>17: Audio file path</h3>
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The path to the selected audio file to be played or dots if unselected
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<h3>18: Audio file play controls</h3>
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<h4>18.1: Audio file select</h4>
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Opens a file dialog to select the audio file to be played. It must be mono 48 kHz 16LE raw format.
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<h4>18.2: Audio file loop</h4>
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Autio replay file at the end
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<h4>18.3: Play/pause file play</h4>
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Toggle play/pause file play. When paused the slider below (17) can be used to randomly set the position in the file when re-starting.
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<h3>19: Play file current position</h3>
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This is the current audio file play position in time units relative to the start
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<h3>20: Play file length</h3>
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This isthe audio file play length in time units
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<h3>21: Play file position slider</h3>
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This slider can be used to randomly set the currennt position in the file when file play is in pause state (button 18.3)
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@ -0,0 +1,158 @@
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<h1>SSB modulator plugin</h1>
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<h2>Introduction</h2>
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This plugin can be used to generate a single sideband or double sidebands modulated signal.
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<h2>Interface</h2>
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||||
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||||
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<h3>1: Frequency shift from center frequency of reception direction</h3>
|
||||
|
||||
The "+/-" button on the left side of the dial toggles between positive and negative shift.
|
||||
|
||||
<h3>2: Frequency shift from center frequency of reception value</h3>
|
||||
|
||||
Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
|
||||
|
||||
<h3>3: Channel power</h3>
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||||
|
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Average total power in dB relative to a +/- 1.0 amplitude signal generated in the pass band.
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<h3>4: Binaural mode</h3>
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Use this button to toggle between monaural and binaural mode. Monaural is classical single sideband or double sidebands modulation. In binaural mode I and Q samples are taken from the left and right stereo channels (or reversed).
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When in monaural mode the icon shows a single loudspeaker and when in binaural mode it shows a pair of loudspeakers.
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<h3>5: Reverse left and right channels in binaural mode</h3>
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Effective only in binaural mode: reverts left and right audio channels so that the left is connected to Q and the right to the I complex signal channels.
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<h3>6: SSB/DSB</h3>
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Selects between SSB and DSB operation. When in SSB mode the icon shows a single sideband spectrum (USB). When in DSB mode the icon shows a duble sideband spectrum.
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<h3>7: Spectrum display frequency span</h3>
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The transmitted signal in the sideband (SSB) or sidebands (DSB) is further decimated in powers of two before being applied to the spectrum analyzer. The frequency span is the audio sample rate (48 kHz) divided by the decimation factor.
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<h3>8: Signal bandwidth</h3>
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The modulating signal is bandpass filtered (SSB) or lowpass filtered (DSB) before being multiplied by the local oscillator NCO. This is the upper limit of the filter.
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When this limit is positive the signal is transmitted in the upper sideband (USB). When this limit is negative the signal is transmitted in the lower sideband (LSB).
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<h3>9: Filter low frequency cutoff</h3>
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In SSB mode this is the lower limit (in absolute value) of the modulating signal bandpass filter
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<h3>10: Volume</h3>
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This is the volume of the audio signal from 0.0 (mute) to 2.0 (maximum). It can be varied continuously in 0.1 steps using the dial button. The Loudspeaker button is the audio mute toggle.
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<h3>11: Level meter in %</h3>
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- top bar (beige): average value
|
||||
- bottom bar (brown): instantaneous peak value
|
||||
- tip vertical bar (bright red): peak hold value
|
||||
|
||||
You should aim at keepimg the peak value below 100% using the volume control
|
||||
|
||||
<h3>12: Input source control</h3>
|
||||
|
||||
|
||||
|
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<h4>12.1: Tone input select</h4>
|
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|
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Switches to the tone input. You must switch it off to make other inputs available.
|
||||
|
||||
<h4>12.2: Morse keyer input select</h4>
|
||||
|
||||
Switches to the Morse keyer input. You must switch it off to make other inputs available.
|
||||
|
||||
<h4>12.3: Tone frequency (kHz)</h4>
|
||||
|
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Adjusts the tone frequqncy from 0.1 to 2.5 kHz in 0.01 kHz steps
|
||||
|
||||
<h4>12.4: Audio input select</h4>
|
||||
|
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Switches to the audio input. You must switch it off to make other inputs available.
|
||||
|
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<h3>13: CW (Morse) text</h3>
|
||||
|
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Enter the text to be keyed when Morse input is active and in text mode
|
||||
|
||||
<h3>14: Clear CW text</h3>
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|
||||
Clears the CW (Morse) text
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||||
|
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<h3>15: Morse keyer controls</h3>
|
||||
|
||||
|
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|
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<h4>15.1: CW keying speed</h4>
|
||||
|
||||
Sets the CW speed in Words Per Minute (WPM). This is based on the word "PARIS" sent 5 times. For 5 WPM the dot length is 240 ms. In other terms the dot length is calculated as 1.2 / WPM seconds. The dot length is used as the base to compute other timings:
|
||||
|
||||
- Element (dot or dash) silence separator: 1 dot length
|
||||
- Dash: 3 dot lengths
|
||||
- Character silence separator: 3 dot lengths
|
||||
- Word separator: 7 dot lengths
|
||||
|
||||
<h4>15.2: Dots keying</h4>
|
||||
|
||||
Switch this button to send dots continuously
|
||||
|
||||
<h4>15.3: Dashes keying</h4>
|
||||
|
||||
Switch this button to send dashes continuously
|
||||
|
||||
<h4>15.4: Text keying</h4>
|
||||
|
||||
Switch this button to send the text typed into the text box (14)
|
||||
|
||||
<h4>15.5: Text auto repeat</h4>
|
||||
|
||||
Switch this button to auto repeat the text keying
|
||||
|
||||
<h4>15.6: Text play/stop</h4>
|
||||
|
||||
Use this button to stop sending text. When resuming keying restarts at the start of text
|
||||
|
||||
<h3>16: Audio file path</h3>
|
||||
|
||||
The path to the selected audio file to be played or dots if unselected
|
||||
|
||||
<h3>17: Audio file play controls</h3>
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||||
|
||||
|
||||
|
||||
<h4>17.1: Audio file select</h4>
|
||||
|
||||
Opens a file dialog to select the audio file to be played. It must be mono 48 kHz 16LE raw format.
|
||||
|
||||
<h4>17.2: Audio file loop</h4>
|
||||
|
||||
Autio replay file at the end
|
||||
|
||||
<h4>17.3: Play/pause file play</h4>
|
||||
|
||||
Toggle play/pause file play. When paused the slider below (17) can be used to randomly set the position in the file when re-starting.
|
||||
|
||||
<h3>18: Play file current position</h3>
|
||||
|
||||
This is the current audio file play position in time units relative to the start
|
||||
|
||||
<h3>19: Play file length</h3>
|
||||
|
||||
This isthe audio file play length in time units
|
||||
|
||||
<h3>28: Play file position slider</h3>
|
||||
|
||||
This slider can be used to randomly set the currennt position in the file when file play is in pause state (button 17.3)
|
||||
|
||||
<h3>21: Signal spectrum display</h3>
|
||||
|
||||
This is the spectrum display in the modulating signal passband. Controls at the bottom of the panel are the same as with the central spectrum display.
|
||||
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@ -0,0 +1,142 @@
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|||
<h1>WFM modulator plugin</h1>
|
||||
|
||||
<h2>Introduction</h2>
|
||||
|
||||
This plugin can be used to generate a wideband frequency modulated signal. "Wideband" means that the bandwidth can vary from 12.5 to 250 kHz.
|
||||
|
||||
<h2>Interface</h2>
|
||||
|
||||
|
||||
|
||||
<h3>1: Frequency shift from center frequency of reception direction</h3>
|
||||
|
||||
The "+/-" button on the left side of the dial toggles between positive and negative shift.
|
||||
|
||||
<h3>2: Frequency shift from center frequency of reception value</h3>
|
||||
|
||||
Use the wheels to adjust the frequency shift in Hz from the center frequency of reception. Left click on a digit sets the cursor position at this digit. Right click on a digit sets all digits on the right to zero. This effectively floors value at the digit position.
|
||||
|
||||
<h3>3: Channel power</h3>
|
||||
|
||||
Average total power in dB relative to a +/- 1.0 amplitude signal generated in the pass band.
|
||||
|
||||
<h3>4: Audio mute</h3>
|
||||
|
||||
Use this button to toggle audio mute for this channel.
|
||||
|
||||
<h3>5: RF bandwidth</h3>
|
||||
|
||||
This is the bandwidth in kHz of the channel signal filtered after modulation. It can be set in discrete values: 12.5, 25, 40, 60, 75, 80, 100, 125, 140, 160, 180, 200, 220 and 250 kHz
|
||||
|
||||
<h3>6: Audio frequency bandwidth</h3>
|
||||
|
||||
This is the bandwidth in khz of the modulating signal filtered before modulation. It can be set in kHz steps from 1 to 20 kHz
|
||||
|
||||
<h3>7: Frequency deviation</h3>
|
||||
|
||||
Adjusts the frequency deviation in 1 kHz steps from 0 to 100 kHz
|
||||
|
||||
<h3>8: Volume</h3>
|
||||
|
||||
This is the volume of the audio signal from 0.0 (mute) to 2.0 (maximum). It can be varied continuously in 0.1 steps using the dial button.
|
||||
|
||||
<h3>9: Level meter in %</h3>
|
||||
|
||||
- top bar (beige): average value
|
||||
- bottom bar (brown): instantaneous peak value
|
||||
- tip vertical bar (bright red): peak hold value
|
||||
|
||||
You should aim at keepimg the peak value below 100% using the volume control
|
||||
|
||||
<h3>10: Input source control</h3>
|
||||
|
||||
|
||||
|
||||
<h4>10.1: Tone input select</h4>
|
||||
|
||||
Switches to the tone input. You must switch it off to make other inputs available.
|
||||
|
||||
<h4>10.2: Morse keyer input select</h4>
|
||||
|
||||
Switches to the Morse keyer input. You must switch it off to make other inputs available.
|
||||
|
||||
<h4>10.3: Tone frequency (kHz)</h4>
|
||||
|
||||
Adjusts the tone frequqncy from 0.1 to 2.5 kHz in 0.01 kHz steps
|
||||
|
||||
<h4>10.4: Audio input select</h4>
|
||||
|
||||
Switches to the audio input. You must switch it off to make other inputs available.
|
||||
|
||||
<h3>11: CW (Morse) text</h3>
|
||||
|
||||
Enter the text to be keyed when Morse input is active and in text mode
|
||||
|
||||
<h3>12: Clear CW text</h3>
|
||||
|
||||
Clears the CW (Morse) text
|
||||
|
||||
<h3>13: Morse keyer controls</h3>
|
||||
|
||||
|
||||
|
||||
<h4>13.1: CW keying speed</h4>
|
||||
|
||||
Sets the CW speed in Words Per Minute (WPM). This is based on the word "PARIS" sent 5 times. For 5 WPM the dot length is 240 ms. In other terms the dot length is calculated as 1.2 / WPM seconds. The dot length is used as the base to compute other timings:
|
||||
|
||||
- Element (dot or dash) silence separator: 1 dot length
|
||||
- Dash: 3 dot lengths
|
||||
- Character silence separator: 3 dot lengths
|
||||
- Word separator: 7 dot lengths
|
||||
|
||||
<h4>13.2: Dots keying</h4>
|
||||
|
||||
Switch this button to send dots continuously
|
||||
|
||||
<h4>13.3: Dashes keying</h4>
|
||||
|
||||
Switch this button to send dashes continuously
|
||||
|
||||
<h4>13.4: Text keying</h4>
|
||||
|
||||
Switch this button to send the text typed into the text box (14)
|
||||
|
||||
<h4>13.5: Text auto repeat</h4>
|
||||
|
||||
Switch this button to auto repeat the text keying
|
||||
|
||||
<h4>13.6: Text play/stop</h4>
|
||||
|
||||
Use this button to stop sending text. When resuming keying restarts at the start of text
|
||||
|
||||
<h3>14: Audio file path</h3>
|
||||
|
||||
The path to the selected audio file to be played or dots if unselected
|
||||
|
||||
<h3>15: Audio file play controls</h3>
|
||||
|
||||
|
||||
|
||||
<h4>15.1: Audio file select</h4>
|
||||
|
||||
Opens a file dialog to select the audio file to be played. It must be mono 48 kHz 16LE raw format.
|
||||
|
||||
<h4>15.2: Audio file loop</h4>
|
||||
|
||||
Autio replay file at the end
|
||||
|
||||
<h4>15.3: Play/pause file play</h4>
|
||||
|
||||
Toggle play/pause file play. When paused the slider below (17) can be used to randomly set the position in the file when re-starting.
|
||||
|
||||
<h3>16: Play file current position</h3>
|
||||
|
||||
This is the current audio file play position in time units relative to the start
|
||||
|
||||
<h3>17: Play file length</h3>
|
||||
|
||||
This isthe audio file play length in time units
|
||||
|
||||
<h3>18: Play file position slider</h3>
|
||||
|
||||
This slider can be used to randomly set the currennt position in the file when file play is in pause state (button 18.3)
|
||||
Ładowanie…
Reference in New Issue