Reverberation in buildings - Revision history

Designing Buildings at 07:09, 19 February 2025

2025-02-19T07:09:50Z

← Older revision		Revision as of 07:09, 19 February 2025
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	This article was created by --[[User:MACH_Acoustics\|MACH Acoustics]] 11:04, 28 November 2013 (UTC)		This article was created by --[[User:MACH_Acoustics\|MACH Acoustics]] 11:04, 28 November 2013 (UTC)

−	= Related articles on Designing Buildings ~~Wiki~~ =	+	= Related articles on Designing Buildings =

	* Airborne sound.		* Airborne sound.

Designing Buildings at 08:05, 23 September 2020

2020-09-23T08:05:46Z

← Older revision		Revision as of 08:05, 23 September 2020
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	* MACH Acoustics: Room acoustics and reverberation.		* MACH Acoustics: Room acoustics and reverberation.

−	[[Category:~~Standards_/_measurements~~]] [[Category:~~DCN_Standard~~]]	+	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:Standards_/_measurements]]

Editor at 16:23, 20 May 2020

2020-05-20T16:23:31Z

← Older revision		Revision as of 16:23, 20 May 2020
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	* Noise nuisance.		* Noise nuisance.
	* Robust details certification scheme.		* Robust details certification scheme.
		+	* Room acoustics.
	* Sound insulation.		* Sound insulation.
	* Sound absorption.		* Sound absorption.
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	* MACH Acoustics: Room acoustics and reverberation.		* MACH Acoustics: Room acoustics and reverberation.

−	[[Category:Standards_/_measurements]]	+	[[Category:Standards_/_measurements]] [[Category:DCN_Standard]]

Editor at 11:56, 14 January 2020

2020-01-14T11:56:28Z

← Older revision		Revision as of 11:56, 14 January 2020
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	* Sound absorption.		* Sound absorption.
	* Sound frequency.		* Sound frequency.
		+	* Sound insulation testing.
	* Sound power.		* Sound power.
	* Sound v noise.		* Sound v noise.

Editor at 12:02, 16 December 2019

2019-12-16T12:02:21Z

← Older revision		Revision as of 12:02, 16 December 2019
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	* Sound absorption.		* Sound absorption.
	* Sound frequency.		* Sound frequency.
		+	* Sound power.
	* Sound v noise.		* Sound v noise.
	* Noise nuisance.		* Noise nuisance.

Designing Buildings at 13:02, 26 July 2019

2019-07-26T13:02:10Z

← Older revision		Revision as of 13:02, 26 July 2019
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	Sound is caused by vibrations which transmit through a medium such as air and reach the ear or some other form of detecting device. Sound intensity is measured in Decibels (dB). This is a logarithmic scale in which an increase of 10 dB gives an apparent doubling of loudness.		Sound is caused by vibrations which transmit through a medium such as air and reach the ear or some other form of detecting device. Sound intensity is measured in Decibels (dB). This is a logarithmic scale in which an increase of 10 dB gives an apparent doubling of loudness.

−	~~[http://www.planningportal.gov.uk/buildingregulations/approveddocuments/parte/approved~~ Approved document E, Resistance to the passage of sound] defines 'Reverberation' as the persistence of sound in a space after a sound source has been stopped. Reverberation time is the time, in seconds, taken for the sound to decay by 60dB after a sound source has been stopped.	+	Approved document E, Resistance to the passage of sound defines 'Reverberation' as the persistence of sound in a space after a sound source has been stopped. Reverberation time is the time, in seconds, taken for the sound to decay by 60dB after a sound source has been stopped.

	The reverberation time of a room is linked to the the surfaces that enclose it and the volume of the room by the Sabine equation:		The reverberation time of a room is linked to the the surfaces that enclose it and the volume of the room by the Sabine equation:
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	This article was created by --[[User:MACH_Acoustics\|MACH Acoustics]] 11:04, 28 November 2013 (UTC)		This article was created by --[[User:MACH_Acoustics\|MACH Acoustics]] 11:04, 28 November 2013 (UTC)

−	~~= Find out more =~~	+	= Related articles on Designing Buildings Wiki =
−		+
−	=== Related articles on Designing Buildings Wiki ===	+

	* Airborne sound.		* Airborne sound.
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	* Noise nuisance.		* Noise nuisance.

−	=== External references ===	+	= External references =

−	* MACH Acoustics: ~~[http://www.machacoustics.com/sustainableacoustics/room-acoustics-reverberation~~ Room acoustics and reverberation].	+	* MACH Acoustics: Room acoustics and reverberation.

	[[Category:Standards_/_measurements]]		[[Category:Standards_/_measurements]]

Designing Buildings at 10:37, 8 March 2017

2017-03-08T10:37:00Z

← Older revision		Revision as of 10:37, 8 March 2017
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	* Impact sound.		* Impact sound.
	* Noise nuisance.		* Noise nuisance.
		+	* Robust details certification scheme.
	* Sound insulation.		* Sound insulation.
	* Sound absorption.		* Sound absorption.

Editor at 14:09, 4 January 2017

2017-01-04T14:09:30Z

← Older revision		Revision as of 14:09, 4 January 2017
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−
	= Introduction =		= Introduction =

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	RT = Volume x 0.161 / Total Acoustic Absorption		RT = Volume x 0.161 / Total Acoustic Absorption

−	[[File:Reverberation.jpg\|~~800x399px\|alt~~=Reverberation.jpg]]	+	[[File:Reverberation.jpg\|link=File:Reverberation.jpg]]

	Image: To control reverberation time, acoustic absorption is used.		Image: To control reverberation time, acoustic absorption is used.
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	The illustration below provides indicative reverberation times for a range of building types and room volumes.		The illustration below provides indicative reverberation times for a range of building types and room volumes.

−	[[File:~~Indicative reverberation times~~.jpg\|~~800x299px\|alt~~=~~Indicative reverberation times~~.jpg]]	+	[[File:Indicative_reverberation_times.jpg\|link=File:Indicative_reverberation_times.jpg]]

	= Acoustic properties of materials =		= Acoustic properties of materials =
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	It is also common to classify absorbent materials in categories, A to E, where A is highly absorbent and E is almost fully reflective.		It is also common to classify absorbent materials in categories, A to E, where A is highly absorbent and E is almost fully reflective.

−	----	+	-----
−		+	This article was created by --[[User:MACH_Acoustics\|MACH Acoustics]] 11:04, 28 November 2013 (UTC)
−	This article was created by --[[User~~%3AMACH%20Acoustics~~\|MACH Acoustics]] 11:04, 28 November 2013 (UTC)	+

	= Find out more =		= Find out more =

	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===
−	*Airborne sound.	+
−	*Building acoustics.	+	* Airborne sound.
−	*Building Bulletin 93: acoustic design of schools.	+	* Approved Document E.
−	*Decibel.	+	* Building acoustics.
−	*Flanking sound.	+	* Building Bulletin 93: acoustic design of schools.
−	*Impact sound.	+	* Decibel.
−	*Noise nuisance.	+	* Flanking sound.
−	*Sound insulation.	+	* Impact sound.
−	*Sound absorption.	+	* Noise nuisance.
−	*Sound frequency.	+	* Sound insulation.
−	*Sound v noise.	+	* Sound absorption.
−	*Noise nuisance.	+	* Sound frequency.
		+	* Sound v noise.
		+	* Noise nuisance.

	=== External references ===		=== External references ===
−	*MACH Acoustics: [http://www.machacoustics.com/sustainableacoustics/room-acoustics-reverberation Room acoustics and reverberation].	+
		+	* MACH Acoustics: [http://www.machacoustics.com/sustainableacoustics/room-acoustics-reverberation Room acoustics and reverberation].

	[[Category:Standards_/_measurements]]		[[Category:Standards_/_measurements]]

Designing Buildings at 07:01, 21 October 2015

2015-10-21T07:01:50Z

← Older revision		Revision as of 07:01, 21 October 2015
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	*Building acoustics.		*Building acoustics.
	*Building Bulletin 93: acoustic design of schools.		*Building Bulletin 93: acoustic design of schools.
		+	*Decibel.
	*Flanking sound.		*Flanking sound.
	*Impact sound.		*Impact sound.

86.156.110.124 at 07:40, 28 August 2015

2015-08-28T07:40:33Z

← Older revision		Revision as of 07:40, 28 August 2015
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	= Introduction =		= Introduction =

−	~~The reverberation time of~~ a ~~room~~ is ~~defined~~ as the time ~~it takes~~ for sound to decay by ~~60 dB~~ after ~~an abrupt termination~~. It is linked to the ~~total quantity of soft treatments~~ and the volume of the room by the Sabine equation:	+	Sound is caused by vibrations which transmit through a medium such as air and reach the ear or some other form of detecting device. Sound intensity is measured in Decibels (dB). This is a logarithmic scale in which an increase of 10 dB gives an apparent doubling of loudness.
		+
		+	[http://www.planningportal.gov.uk/buildingregulations/approveddocuments/parte/approved Approved document E, Resistance to the passage of sound] defines 'Reverberation' as the persistence of sound in a space after a sound source has been stopped. Reverberation time is the time, in seconds, taken for the sound to decay by 60dB after a sound source has been stopped.
		+
		+	The reverberation time of a room is linked to the the surfaces that enclose it and the volume of the room by the Sabine equation:

	RT = Volume x 0.161 / Total Acoustic Absorption		RT = Volume x 0.161 / Total Acoustic Absorption
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	*Sound insulation.		*Sound insulation.
	*Sound absorption.		*Sound absorption.
−	*Sound frequency.	+	*Sound frequency.
	*Sound v noise.		*Sound v noise.
	*Noise nuisance.		*Noise nuisance.