User Guide/Real Time Analyser - Revision history

Jw: Changing from heading to semi-colon/colon formatting

2019-03-13T09:59:42Z

Changing from heading to semi-colon/colon formatting

← Older revision		Revision as of 11:59, 13 March 2019
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	[[File:rta_parameters_dialog.png]]		[[File:rta_parameters_dialog.png]]

	~~===~~Frame Alignment~~===~~		;Frame Alignment:The Frame Alignment sets the Frame Length (see below) to the value of the next highest power of two (in samples). This means that optimal frequency resolution can be obtained without loss of computational speed.
	The Frame Alignment sets the Frame Length (see below) to the value of the next highest power of two (in samples). This means that optimal frequency resolution can be obtained without loss of computational speed.		;Frame Length:The frame length in milliseconds (ms). There is a minimum frame length of 5ms.
	~~===~~Frame Length~~===~~		;Overlap:The overlap (frame shift) in percent between frames. The value can be between 0 and 95.
	The frame length in milliseconds (ms). There is a minimum frame length of 5ms.		;Sampling (Hz):The sampling rate in Hertz at which the input signal should be sampled. Note that the lower the sampling rate, the smaller the frequency scale can be (i.e. the maximum frequency is the srate/2).
	~~===~~Overlap~~===~~		;Input Mode:The input mode defines how the input signal is displayed.
	The overlap (frame shift) in percent between frames. The value can be between 0 and 95.		;Channel A / Channel B:Gain in decibels (dB) for channels A and B
	~~===~~Sampling (Hz)~~===~~		;(Inv.):Invert the signal (multiply signal with -1)
	The sampling rate in Hertz at which the input signal should be sampled. Note that the lower the sampling rate, the smaller the frequency scale can be (i.e. the maximum frequency is the srate/2).		;Run for:Check the checkbox to activate the Run For feature. You can run the Real-Time Analyser for a specific number of seconds before it automatically stops. A value of 0 means run forever.
	~~===~~Input Mode~~===~~		;Default:The button Default sets the Run For edit box to the length of the time axis of the Real-Time Analyser display.
	The input mode defines how the input signal is displayed.		;Start/Stop:Start the analyser. Once started, the button text changes to Stop.
	~~===~~Channel A / Channel B~~===~~		;Settings:Frame buffer, color and signal I/O settings dialog box. See the [[User Guide/Real Time Analyser/Settings Dialog for the Real-Time Analyser\|Settings Dialog]] for the Real-Time Analyser for more details.
	Gain in decibels (dB) for channels A and B		;Apply:Press the Apply button to apply parameter setting changes. Note that some parameter changes are applied automatically.
	~~===~~(Inv.)~~===~~		;Spectrum/Spectrogram/Waterfall:The type of graph to display the analysis with:
	Invert the signal (multiply signal with -1)
	~~===~~Run for~~===~~
	Check the checkbox to activate the Run For feature. You can run the Real-Time Analyser for a specific number of seconds before it automatically stops. A value of 0 means run forever.
	~~===~~Default~~===~~
	The button Default sets the Run For edit box to the length of the time axis of the Real-Time Analyser display.
	~~===~~Start/Stop~~===~~
	Start the analyser. Once started, the button text changes to Stop.
	~~===~~Settings~~===~~
	Frame buffer, color and signal I/O settings dialog box. See the [[User Guide/Real Time Analyser/Settings Dialog for the Real-Time Analyser\|Settings Dialog]] for the Real-Time Analyser for more details.
	~~===~~Apply~~===~~
	Press the Apply button to apply parameter setting changes. Note that some parameter changes are applied automatically.
	~~===~~Spectrum/Spectrogram/Waterfall~~===~~
	The type of graph to display the analysis with:
	There are a number of different analysis methods available in the Real-Time Analyser. The Spectrum graph display can also display a combination of two methods.		There are a number of different analysis methods available in the Real-Time Analyser. The Spectrum graph display can also display a combination of two methods.
	~~===~~Method: spectrum~~===~~		;Method: spectrum:Computes an FFT amplitude spectrum
	Computes an FFT amplitude spectrum		;Method: cp smoothed spectrum:Computes the averaged cepstrum smoothed amplitude spectrum, via the inverse transform of the lowpass filtered cepstrum.
	~~===~~Method: cp smoothed spectrum~~===~~		;Method: lp spectrum:Compute the averaged transfer function (amplitude) using the LPC auto-correlation method.
	Computes the averaged cepstrum smoothed amplitude spectrum, via the inverse transform of the lowpass filtered cepstrum.		;# of Coefficients:The number of coefficients used for the computation of the cp smoothed spectrum or lp spectrum.
	~~===~~Method: lp spectrum~~===~~		;Pre-emphasis:Signal differentiation factor in percent. 0 to 100% are valid values.
	Compute the averaged transfer function (amplitude) using the LPC auto-correlation method.		;Amplitude Offset:The amplitude offset between the two methods (only available for combined methods in the Spectrum graph).
	~~===~~# of Coefficients~~===~~		;Exp. Average:Check the checkbox to activate the exponential averaging. Values from 0 to 99% are valid.
	The number of coefficients used for the computation of the cp smoothed spectrum or lp spectrum.		;Frequency:The frequency unit to use for the frequency axis.
	~~===~~Pre-emphasis~~===~~		;min/max:The minimum and maximum frequency to display. Note that the validity of the values are dependant on the sampling rate.
	Signal differentiation factor in percent. 0 to 100% are valid values.		;Range:The amplitude range to display.
	~~===~~Amplitude Offset~~===~~		;Floor:The lowest end of the amplitude range.
	The amplitude offset between the two methods (only available for combined methods in the Spectrum graph).		;Waveform:Percentage of full attenuation to display.
	~~===~~Exp. Average~~===~~		;x-axis / y-axis:Only available if the Waterfall graph display is being used. The x-axis determines what percentage of the graph's width should be used for the x axis. Possible values are -100 to 100%. A negative value means that the x-axis is bound to the right hand side of the display.
	Check the checkbox to activate the exponential averaging. Values from 0 to 99% are valid.
	~~===~~Frequency~~===~~
	The frequency unit to use for the frequency axis.
	~~===~~min/max~~===~~
	The minimum and maximum frequency to display. Note that the validity of the values are dependant on the sampling rate.
	~~===~~Range~~===~~
	The amplitude range to display.
	~~===~~Floor~~===~~
	The lowest end of the amplitude range.
	~~===~~Waveform~~===~~
	Percentage of full attenuation to display.
	~~===~~x-axis / y-axis~~===~~
	Only available if the Waterfall graph display is being used. The x-axis determines what percentage of the graph's width should be used for the x axis. Possible values are -100 to 100%. A negative value means that the x-axis is bound to the right hand side of the display.
	==Settings==		==Settings==
	Open the [[User_Guide/Real_Time_Analyser/Settings_Dialog_for_the_Real-Time_Analyser\|settings dialog]] to set the number of frames/samples per buffer and the graph colors.		Open the [[User_Guide/Real_Time_Analyser/Settings_Dialog_for_the_Real-Time_Analyser\|settings dialog]] to set the number of frames/samples per buffer and the graph colors.

Jw: /* Settings */

2019-02-19T08:43:02Z

Settings

← Older revision		Revision as of 10:43, 19 February 2019
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	Only available if the Waterfall graph display is being used. The x-axis determines what percentage of the graph's width should be used for the x axis. Possible values are -100 to 100%. A negative value means that the x-axis is bound to the right hand side of the display.		Only available if the Waterfall graph display is being used. The x-axis determines what percentage of the graph's width should be used for the x axis. Possible values are -100 to 100%. A negative value means that the x-axis is bound to the right hand side of the display.
	==Settings==		==Settings==
	Open the settings dialog to set the number of frames/samples per buffer and the graph colors.		Open the [[User_Guide/Real_Time_Analyser/Settings_Dialog_for_the_Real-Time_Analyser\|settings dialog]] to set the number of frames/samples per buffer and the graph colors.

	==Menus==		==Menus==
	If you would like a detailed explanation of the menus / context menus, read [[User_Guide/Real_Time_Analyser/Menu_and_Context_Menus\|this article]].		If you would like a detailed explanation of the menus / context menus, read [[User_Guide/Real_Time_Analyser/Menu_and_Context_Menus\|this article]].

Jw at 10:30, 21 December 2015

2015-12-21T10:30:45Z

← Older revision		Revision as of 12:30, 21 December 2015
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	[[File:rta_parameters_dialog.png]]		[[File:rta_parameters_dialog.png]]

	;Frame Alignment:The Frame Alignment sets the Frame Length (see below) to the value of the next highest power of two (in samples). This means that optimal frequency resolution can be obtained without loss of computational speed.		===Frame Alignment===
	;Frame Length:The frame length in milliseconds (ms). There is a minimum frame length of 5ms.		The Frame Alignment sets the Frame Length (see below) to the value of the next highest power of two (in samples). This means that optimal frequency resolution can be obtained without loss of computational speed.
	;Overlap:The overlap (frame shift) in percent between frames. The value can be between 0 and 95.		===Frame Length===
	;Sampling (Hz):The sampling rate in Hertz at which the input signal should be sampled. Note that the lower the sampling rate, the smaller the frequency scale can be (i.e. the maximum frequency is the srate/2).		The frame length in milliseconds (ms). There is a minimum frame length of 5ms.
	;Input Mode:The input mode defines how the input signal is displayed.		===Overlap===
	;Channel A / Channel B:Gain in decibels (dB) for channels A and B		The overlap (frame shift) in percent between frames. The value can be between 0 and 95.
	;(Inv.):Invert the signal (multiply signal with -1)		===Sampling (Hz)===
	;Run for:Check the checkbox to activate the Run For feature. You can run the Real-Time Analyser for a specific number of seconds before it automatically stops. A value of 0 means run forever.		The sampling rate in Hertz at which the input signal should be sampled. Note that the lower the sampling rate, the smaller the frequency scale can be (i.e. the maximum frequency is the srate/2).
	;Default:The button Default sets the Run For edit box to the length of the time axis of the Real-Time Analyser display.		===Input Mode===
	;Start/Stop:Start the analyser. Once started, the button text changes to Stop.		The input mode defines how the input signal is displayed.
	;Settings:Frame buffer, color and signal I/O settings dialog box. See the [[User Guide/Real Time Analyser/Settings Dialog for the Real-Time Analyser\|Settings Dialog]] for the Real-Time Analyser for more details.		===Channel A / Channel B===
	;Apply:Press the Apply button to apply parameter setting changes. Note that some parameter changes are applied automatically.		Gain in decibels (dB) for channels A and B
	;Spectrum/Spectrogram/Waterfall:The type of graph to display the analysis with:		===(Inv.)===
	:There are a number of different analysis methods available in the Real-Time Analyser. The Spectrum graph display can also display a combination of two methods.		Invert the signal (multiply signal with -1)
			===Run for===
			Check the checkbox to activate the Run For feature. You can run the Real-Time Analyser for a specific number of seconds before it automatically stops. A value of 0 means run forever.
			===Default===
			The button Default sets the Run For edit box to the length of the time axis of the Real-Time Analyser display.
			===Start/Stop===
			Start the analyser. Once started, the button text changes to Stop.
			===Settings===
			Frame buffer, color and signal I/O settings dialog box. See the [[User Guide/Real Time Analyser/Settings Dialog for the Real-Time Analyser\|Settings Dialog]] for the Real-Time Analyser for more details.
			===Apply===
			Press the Apply button to apply parameter setting changes. Note that some parameter changes are applied automatically.
			===Spectrum/Spectrogram/Waterfall===
			The type of graph to display the analysis with:
			There are a number of different analysis methods available in the Real-Time Analyser. The Spectrum graph display can also display a combination of two methods.
	===Method: spectrum===		===Method: spectrum===
	Computes an FFT amplitude spectrum		Computes an FFT amplitude spectrum

Jw at 10:28, 21 December 2015

2015-12-21T10:28:13Z

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 * Waterfall
-'''Contents'''
+==Parameters==
-<splist
+The Real-Time Analyser is provides a large number of parameters for altering the analysis display.
-parent=
-sort=asc
+[[File:rta_parameters_dialog.png]]
-sortby=title
-showpath=no
+;Frame Alignment:The Frame Alignment sets the Frame Length (see below) to the value of the next highest power of two (in samples). This means that optimal frequency resolution can be obtained without loss of computational speed.
-liststyle=unordered
+;Frame Length:The frame length in milliseconds (ms). There is a minimum frame length of 5ms.
-kidsonly=yes
+;Overlap:The overlap (frame shift) in percent between frames. The value can be between 0 and 95.
+;Sampling (Hz):The sampling rate in Hertz at which the input signal should be sampled. Note that the lower the sampling rate, the smaller the frequency scale can be (i.e. the maximum frequency is the srate/2).

Jw at 07:38, 7 October 2015

2015-10-07T07:38:24Z

← Older revision		Revision as of 09:38, 7 October 2015
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	* Spectrogram		* Spectrogram
	* Waterfall		* Waterfall


	'''Contents'''		'''Contents'''

Jw at 13:26, 28 August 2015

2015-08-28T13:26:58Z

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	{{DISPLAYTITLE:{{SUBPAGENAME}}}}		{{DISPLAYTITLE:{{SUBPAGENAME}}}}
	[[File:rtanalyser.png]]		{{User Guide}}
			{{RTAnalyser}}
			[[File:rtanalyser.png\|thumb]]

	The {{STX}} Real-Time Analyser can analyse mono or stereo input from any available source on the system. Three analysis displays are implemented:		The {{STX}} Real-Time Analyser can analyse mono or stereo input from any available source on the system. Three analysis displays are implemented:

Admin at 13:13, 14 May 2014

2014-05-14T13:13:58Z

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	{{DISPLAYTITLE:{{SUBPAGENAME}}}}		{{DISPLAYTITLE:{{SUBPAGENAME}}}}

	[[File:rtanalyser.png]]		[[File:rtanalyser.png]]

Admin at 13:13, 14 May 2014

2014-05-14T13:13:35Z

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	{{DISPLAYTITLE:{{SUBPAGENAME}}}}		{{DISPLAYTITLE:{{SUBPAGENAME}}}}

			[[File:rtanalyser.png]]

			The {{STX}} Real-Time Analyser can analyse mono or stereo input from any available source on the system. Three analysis displays are implemented:

			* Spectrum
			* Spectrogram
			* Waterfall


	'''Contents'''		'''Contents'''

Admin: 1 revision: Initial import

2010-11-18T16:31:16Z

1 revision: Initial import

← Older revision	Revision as of 18:31, 18 November 2010
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Unknown user: initial import

1970-01-01T00:00:00Z

initial import

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{{DISPLAYTITLE:{{SUBPAGENAME}}}}
'''Contents'''

<splist
parent=
sort=asc
sortby=title
showpath=no
liststyle=unordered
kidsonly=yes
>