ISO 3382-2:2015

Room Acoustics Reverberation Time Measurement

This test method specifies procedures for measuring reverberation time and other room acoustic parameters in ordinary rooms such as offices, classrooms, lecture halls, and residential spaces. Reverberation time (T30 or T20) is a fundamental acoustic property that affects speech intelligibility, sound quality, and acoustic comfort. It is essential for designing spaces with appropriate acoustic characteristics, verifying construction specifications, and ensuring compliance with building standards. Architects, acousticians, and building professionals rely on these measurements to evaluate and optimize room acoustic performance. ISO 17025 accreditation guarantees accurate measurements following standardized methodology.

What it measures

  • Reverberation time (T30, T20, EDT)
  • Frequency-dependent acoustic absorption
  • Early decay time and room acoustic parameters
  • Clarity index (C50) and definition (D50)
  • Speech transmission index (STI) indicators
🇩🇪 DIN EN ISO 3382-1 🇬🇧 BS EN ISO 3382-1 🇫🇷 NF EN ISO 3382-1 🇮🇹 UNI EN ISO 3382-1 🇪🇸 UNE EN ISO 3382-1 🇳🇱 NEN EN ISO 3382-1 🇩🇪 DIN EN 60268-16 🇬🇧 BS EN 60268-16 🇫🇷 NF EN 60268-16 🇮🇹 UNI EN 60268-16 🇪🇸 UNE EN 60268-16 🇳🇱 NEN EN 60268-16
1,868 Accredited labs
20 Countries

Showing 426–450 of 1,868 labs

DGUV Test, Prüf- und Zertifizierungsstelle Fachbereich Holz und Metall

Active
DAkkS D-PL-17009-02-01 Mainz, DE
VDE 0113-201 VDE 0113-202 DIN EN 60204-1 EN 61508-1: VDE 0803-1 + 3 more
View Profile

DGUV Test, Prüf- und Zertifizierungsstelle, Fachbereich Rohstoffe und chemische Industrie

Active
DAkkS D-PL-17009-29-02 Langenhagen, DE
ID136 DIN EN 137 100 C>T, 124 G>A, 137_138 > 140 Amyloid β 1-42 + 3 more
View Profile

DGUV Test, Prüf- und Zertifizierungsstelle, Fachbereich Verkehr und Landschaft

Active
DAkkS D-PL-17009-01-01 Hamburg, DE
DIN EN ISO 15106-3 DIN EN ISO 1522 DIN 30720-1: 2016-02 DIN 30720-2: 2009-10 DIN 30722-1: 2021-12 + 3 more
View Profile

DGUV Test, Prüf- und Zertifizierungsstelle, Nahrungsmittel und Verpackung, Fachbereich Nahrungsmittel

Active
DAkkS D-PL-17009-08-00 Mannheim, DE
DIN EN ISO 11357-4 IEC 61037 DIN EN ISO 13850 DIN EN ISO 13855 ISO 14119 + 3 more
View Profile

IFA Kalibrierlaboratorium

Active
DAkkS D-K-17009-01-00 Sankt Augustin, DE
Eigenrauschen −60 dB Frequenzbewertung mit akustischen Signalen elektrischen Signalen + 3 more
View Profile

Institut für Arbeitsschutz der DGUV (IFA) Prüf- und Zertifizierungsstelle im DGUV Test

Active
DAkkS D-PL-17009-34-00 Sankt Augustin, DE
DIN 58620: 2007-02 DIN 58621: 2011-10 DIN 58647-7: 1997-12 ID136 > 140 + 3 more
View Profile

Deutsche Wind Guard Consulting

Active
DAkkS D-PL-18020-01-01 Varel, DE
IEC 61400-12 IEC 61400-12-1 IEC 61400-12-2 IEC 61400-12-3 IEC 61400-12-5 + 3 more
View Profile

Deutscher Wetterdienst Geschäftsbereich Technische Infrastruktur und Betrieb Abteilung Service und Logistik, Fachgruppe Kalibrierung

Active
DAkkS D-K-11170-01-00 Hamburg, DE
Railway brakes — conditions for homologa − Durchfluss von Flüssigkeiten − Strömungsgeschwindigkeit von Gasen − Widerstandsthermometer − Temperatur-Transmitter, Datenlogger + 3 more
View Profile

Deutsches Herzzentrum der Charité Akutlabor

Active
DAkkS D-ML-13068-01-00 Berlin, DE
ADP ASPI TRAP Amiodaron, Desethylamiodaron Mycophenolsäure + 3 more
View Profile

Devonport Royal Dockyard

Active
UKAS 0254 Plymouth, GB
Specific Values 1  RF Power RF Attenuation 10 MHz to 1 GHz Other values -20 dBm to +20 dBm
View Profile

Devonport Royal Dockyard

Active
UKAS 0687 Devonport, GB
BS 4206:1967 (superseded) ISO 5173 ISO 7438 BS EN ISO 9606-2:2004 BS 131-5:1965 + 3 more
View Profile

Diagenom

Active
DAkkS D-ML-18903-01-00 Rostock, DE
Chromosomensatz (angeboren) Chromosomensatz (erworben) Adrenogenitales Syndrom Angelman-Syndrom (15q11-Region, UBE3A) Mikrodeletionen; AZFa-c) + 3 more
View Profile

Diagnos MVZ

Active
DAkkS D-ML-21150-01-00 Berlin, DE
HbA1c Differentialblutbild, maschinell Retikulozyten, maschinell Kleines Blutbild Thrombozyten + 3 more
View Profile

Diatec Diagnostics

Active
UKAS 0798 Hamilton, GB
AUDIOMETRIC EQUIPMENT Attenuator linearity Microphones EAR SIMULATORS Class LS, 1 and 2
View Profile

Diehl Metering

Active
DAkkS D-K-19516-01-00 Ansbach, DE
Volumen strömender 0,0005 m − Durchfluss von Flüssigkeiten 0,025 m Wasserzähler und 0,001 m Durchflusssensoren + 3 more
View Profile

Dipartimento di Sanità Pubblica URD Igiene Medicina Preventiva e Statistica Sanitaria - Università degli Studi di Napoli Federico II

Active
ACCREDIA 01333 Napoli, IT
DIN EN ISO 7730 EPA 6020 DIN EN ISO 6888-1 ISO 14698-1 ISO 4832 + 3 more
View Profile

Don Whitley Scientific

Active
UKAS 0560 Bingley, GB
TIME INTERVAL TEMPERATURE parameters and ranges)
View Profile

Klinkner & Partner GmbH Kalibrierlabor

Active
DAkkS D-K-20015-01-01 Lahr, DE
Absolutdruck p * Vickers hardness test (ISO 6507) Flüssigkeitsvolumen * variablem Volumen aufnehmern sowie + 3 more
View Profile

Staber & Kollegen

Active
DAkkS D-ML-13252-01-01 München, DE
Blutbild groß Thrombozyten Urinsediment Natrium Kalium + 3 more
View Profile

med. rer. nat. Nils Janzen Screening-Labor Hannover Laborärztliche Facharztpraxis

Active
DAkkS D-ML-19642-02-00 Ronnenberg, DE
Aminosäureprofil Guanidinoacetat Kreatin Hämoglobinprofil Nitisinon (NTBC), Succinylaceton + 3 more
View Profile

Druck

Active
UKAS 0221 Groby, GB
Gas pressure (absolute) Hydraulic pressure (gauge) Gas pressure (gauge) (At low current) Specific values (continued) + 3 more
View Profile

Drägerwerk AG & Co. KGaA Product Qualification Kalibrierlabor

Active
DAkkS D-K-11250-01-00 Lübeck, DE
Druck * Negativer und positiver Überdruck -0,01 bar Positiver Überdruck p e > 0,015 bar + 3 more
View Profile

Duravit

Active
DAkkS D-PL-21217-01-00 Hornberg, DE
*6095991, BAG3 [OMIM *6038831 (-13910T>C) rs4988235 - PiM rs6647, PiZ rs28929474, rs17580 DIN EN 997 DIN EN 13407 + 3 more
View Profile

DynaGreen Environmental UK

Active
UKAS 29302 Lower Earley, GB
DIN EN 14791 IEC 60519-11 BS EN ISO 16911-1:2013 using DIN EN 14792 DIN EN 13126-19 + 3 more
View Profile

E C L (2000)

Active
UKAS 0709 Forest Hall, GB
(PCM) based on HSG 248) (HSG 248) – 2021
View Profile

No matching labs found.

Industries

Architectural and acoustic design Building construction and commissioning Educational facilities management Broadcasting and media production Hospitality and entertainment venues

Related Standards

  • ISO 3382-1 Acoustics - Measurement of room acoustic parameters - Part 1: Performance spaces
  • EN 60268-16 Sound system equipment - Objective rating of speech intelligibility by speech transmission index
  • ISO 140-4 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 4: Field measurements of airborne sound insulation between rooms

Other Test Methods

0 labs selected
Compare