NVGate Overall Acoustic - Sound Level meter - Revision history

Lmagimel at 09:48, 26 November 2024

2024-11-26T09:48:29Z

← Older revision		Revision as of 11:48, 26 November 2024
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	[[category:NVGate]]		[[category:NVGate]]
			[[category:WikiOros]]
	This plug in is a powerful multi channel [https://en.wikipedia.org/wiki/Sound_level_meter Sound level meter]. It complies with the latest standards such as IEC 61672. It runs 3 RMS detectors <nowiki>+</nowiki> 1 peak per channel.		This plug in is a powerful multi channel [https://en.wikipedia.org/wiki/Sound_level_meter Sound level meter]. It complies with the latest standards such as IEC 61672. It runs 3 RMS detectors <nowiki>+</nowiki> 1 peak per channel.
	[[Image:Reports_Tools_Ribbons_410.png\|right]]		[[Image:Reports_Tools_Ribbons_410.png\|right]]

Lmagimel: /* Computation SPUs: */

2022-02-14T13:20:30Z

Computation SPUs:

← Older revision		Revision as of 15:20, 14 February 2022
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	[[File:OVA_add_remove.png\|700px\|none]]		[[File:OVA_add_remove.png\|700px\|none]]

	~~===Computation SPUs:===~~

	~~{\|class="wikitable" style="background:white" border="2" cellspacing="0" cellpadding="4" width="52%"~~
	~~\|align = "center"\|'''Bandwidth'''~~
	~~\|align = "center"\|'''SPU/Channel <br>for Real-time'''~~

	\|-
	~~\|align = "center"\|25,6k~~
	~~\|align = "center"\|1,25~~

	\|-
	~~\|align = "center"\|20k~~
	~~\|align = "center"\|1~~

	\|-
	~~\|align = "center"\|12,8k~~
	~~\|align = "center"\|0,75~~

	\|-
	~~\|align = "center"\|10k~~
	~~\|align = "center"\|0,5~~

	\|}

	The overall acoustic levels analysis requires 1 SPU per channel at 20 kHz bandwidth. The number of required SPUs is directly proportional to the analysis bandwidth (i.e. the sampling frequency divided by 2.56).

	===Settings===		===Settings===

Credaelli: /* RMS detectors */

2021-12-09T14:05:27Z

RMS detectors

← Older revision		Revision as of 16:05, 9 December 2021
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	* Weighting		* Weighting

	{\|border="2" cellspacing="0" cellpadding="4" width="92%" align="center"		{\|class="wikitable" style="background:white" border="2" cellspacing="0" cellpadding="4" width="92%" align="center"
	\|A		\|A
	\|Selects the <nowiki>’</nowiki>A<nowiki>’</nowiki> weighting on the time signal. <br>This average mode is not available for frequency ranges below 10kHz		\|Selects the <nowiki>’</nowiki>A<nowiki>’</nowiki> weighting on the time signal. <br>This average mode is not available for frequency ranges below 10kHz
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	* Time filter		* Time filter

	{\|border="2" cellspacing="0" cellpadding="4" width="93%" align="center"		{\|class="wikitable" style="background:white" border="2" cellspacing="0" cellpadding="4" width="93%" align="center"
	\|Fast		\|Fast
	\|Corresponds to an exponential averaging with a fixed "Exponential time constant" of 0.125s.<br><br>''Refresh'' is performed when new instantaneous spectrum is available (periodicity: (1/(fs2,56))256 with fs the input sampling frequency)<br><br>The ''event'' ''" OVA Leq result available"'' corresponds to the periodicity ((1/(fs2,56))256 with fs the input sampling frequency).		\|Corresponds to an exponential averaging with a fixed "Exponential time constant" of 0.125s.<br><br>''Refresh'' is performed when new instantaneous spectrum is available (periodicity: (1/(fs2,56))256 with fs the input sampling frequency)<br><br>The ''event'' ''" OVA Leq result available"'' corresponds to the periodicity ((1/(fs2,56))256 with fs the input sampling frequency).

Credaelli: /* Peak detector */

2021-12-09T14:04:45Z

Peak detector

← Older revision		Revision as of 16:04, 9 December 2021
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	Activated or not with A, C or Z (flat) time weighting.		Activated or not with A, C or Z (flat) time weighting.

	{\|border="2" cellspacing="0" cellpadding="4" width="92%" align="center"		{\|class="wikitable" style="background:white" border="2" cellspacing="0" cellpadding="4" width="92%" align="center"
	\|A		\|A
	\|Selects the <nowiki>’</nowiki>A<nowiki>’</nowiki> weighting on the time signal. <br>This weighting type is not available for frequency ranges below 10 kHz and above 25.6 kHz.		\|Selects the <nowiki>’</nowiki>A<nowiki>’</nowiki> weighting on the time signal. <br>This weighting type is not available for frequency ranges below 10 kHz and above 25.6 kHz.

Credaelli: /* Average */

2021-12-09T14:04:35Z

Average

← Older revision		Revision as of 16:04, 9 December 2021
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	* Type: Lets you choose the averaging mode within the following list:		* Type: Lets you choose the averaging mode within the following list:

	{\|border="2" cellspacing="0" cellpadding="4" width="93%" align="center"		{\|class="wikitable" style="background:white" border="2" cellspacing="0" cellpadding="4" width="93%" align="center"
	\|Type		\|'''Type'''
	\|Description		\|'''Description'''

	\|-		\|-
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	The table below shows the state of these settings function of the average type:		The table below shows the state of these settings function of the average type:

	{\|border="2" cellspacing="0" cellpadding="4" width="92%" align="left"		{\|class="wikitable" style="background:white" border="2" cellspacing="0" cellpadding="4" width="92%" align="left"
	\|Type		\|'''Type'''
	\|Repeat		\|'''Repeat'''
	\|Avg. duration		\|'''Avg. duration'''
	\|Short duration		\|'''Short duration'''

	\|-		\|-

Credaelli: /* Computation SPUs: */

2021-12-09T14:03:59Z

Computation SPUs:

← Older revision		Revision as of 16:03, 9 December 2021
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	{\|class="wikitable" style="background:white" border="2" cellspacing="0" cellpadding="4" width="52%"		{\|class="wikitable" style="background:white" border="2" cellspacing="0" cellpadding="4" width="52%"
	\|align = "center"\|Bandwidth		\|align = "center"\|'''Bandwidth'''
	\|align = "center"\|SPU/Channel <br>for Real-time		\|align = "center"\|'''SPU/Channel <br>for Real-time'''

	\|-		\|-

Credaelli: /* Computation SPUs: */

2021-12-09T14:03:46Z

Computation SPUs:

← Older revision		Revision as of 16:03, 9 December 2021
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	===Computation SPUs:===		===Computation SPUs:===

	{\|border="2" cellspacing="0" cellpadding="4" width="52%"		{\|class="wikitable" style="background:white" border="2" cellspacing="0" cellpadding="4" width="52%"
	\|align = "center"\|Bandwidth		\|align = "center"\|Bandwidth
	\|align = "center"\|SPU/Channel <br>for Real-time		\|align = "center"\|SPU/Channel <br>for Real-time

Credaelli: /* Available results: */

2021-12-09T14:03:30Z

Available results:

← Older revision		Revision as of 16:03, 9 December 2021
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	{\|border="2" cellspacing="0" cellpadding="4" width="91%" align="center"		{\|class="wikitable" style="background:white" border="2" cellspacing="0" cellpadding="4" width="91%" align="center"
	\|'''Type'''		\|'''Type'''
	\|'''Size'''		\|'''Size'''

Lmagimel: /* Display */

2020-11-24T10:35:04Z

Display

← Older revision		Revision as of 12:35, 24 November 2020
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	To display the results, use the Add/remove windows on ''display/graph tab''		To display the results, use the Add/remove windows on ''display/graph tab''

	[[File:OVA_add_remove.png\|~~600px~~\|none]]		[[File:OVA_add_remove.png\|700px\|none]]

	===Computation SPUs:===		===Computation SPUs:===

Lmagimel: /* Display */

2020-11-24T10:34:56Z

Display

← Older revision		Revision as of 12:34, 24 November 2020
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	To display the results, use the Add/remove windows on ''display/graph tab''		To display the results, use the Add/remove windows on ''display/graph tab''

	[[File:OVA_add_remove.png\|~~framed~~\|none]]		[[File:OVA_add_remove.png\|600px\|none]]

	===Computation SPUs:===		===Computation SPUs:===