analyzer:manual:settings
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analyzer:manual:settings [2010/04/30 09:31] – sestst | analyzer:manual:settings [2010/05/04 09:55] – sestst | ||
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|CUL|Use a CUL-device as signal source| | |CUL|Use a CUL-device as signal source| | ||
|Pronto Settings|Pronto is a format for describing raw pulse signals. These settings affect how this format is generated| | |Pronto Settings|Pronto is a format for describing raw pulse signals. These settings affect how this format is generated| | ||
- | |Frequency|Pronto encoding contains the IR modulation frequency. We have no decoders that actually detect this frequency, so here we specify which to use. Default is 40000 Hz| | + | |Frequency|Pronto encoding contains the IR modulation frequency. We have no decoders that actually detect this frequency, so here we specify which to use when Pronto messages are decoded. Default is 40000 Hz| |
|Lead Out Time|The Pronto decoder needs to know how long silence should be counted as the end of a signal. If the protocol has very long pulse spaces within a message this may have to be extended from the default 9000 micro seconds.|\\ | |Lead Out Time|The Pronto decoder needs to know how long silence should be counted as the end of a signal. If the protocol has very long pulse spaces within a message this may have to be extended from the default 9000 micro seconds.|\\ | ||
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===== Audio Settings ===== | ===== Audio Settings ===== | ||
When Audio input is used, the ProtocolAnalyzer constantly samples the analog input signal, trying to recreate any digital pulses found in the signal. The so called //flank detector// uses a quite simple algorithm to find the flanks of the pulses: | When Audio input is used, the ProtocolAnalyzer constantly samples the analog input signal, trying to recreate any digital pulses found in the signal. The so called //flank detector// uses a quite simple algorithm to find the flanks of the pulses: | ||
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In the example //Flank Swing// was set at 50 and //Flank Length// set to 3, so when the signal changed more than 50 over 3 samples, the flank was detected (see the blue line). Note that the signal changed more than 50 in the following samples as well, but since this was within //Flank Holdoff//, this was not counted. | In the example //Flank Swing// was set at 50 and //Flank Length// set to 3, so when the signal changed more than 50 over 3 samples, the flank was detected (see the blue line). Note that the signal changed more than 50 in the following samples as well, but since this was within //Flank Holdoff//, this was not counted. | ||
- | The parameters of the flank detector are configured in the Audio Settings Dialog. | + | The parameters of the flank detector are configured in the Audio Settings Dialog. |
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|Left Channel|Use the Left audio channel| | |Left Channel|Use the Left audio channel| | ||
|Right Channel|Use the Right audio channel| | |Right Channel|Use the Right audio channel| | ||
- | |Flank Detection|The internal | + | |Flank Detection|Settings for the flank detector (see text above)| |
|Apply ... Filter|If the input signal contains a lot of noise, a digital low pass filter can be applied to the signal before flank detection. This Smooths out the signal. You may have to increase Flank Length when this is used| | |Apply ... Filter|If the input signal contains a lot of noise, a digital low pass filter can be applied to the signal before flank detection. This Smooths out the signal. You may have to increase Flank Length when this is used| | ||
|Flank Swing|The hight of a change needed to count as a flank. Use about half the actual height observed in the [[analyzer: | |Flank Swing|The hight of a change needed to count as a flank. Use about half the actual height observed in the [[analyzer: |
analyzer/manual/settings.txt · Last modified: 2018/11/03 02:59 by 127.0.0.1