ISO 26101:2017
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Acoustics Test methods for the qualification of free-field environments
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13-01-2022
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25-04-2017
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ISO 26101:2017 specifies methodology for qualifying acoustic spaces as anechoic and hemi-anechoic spaces meeting the requirements of a free sound field.
ISO 26101:2017 specifies discrete-frequency and broad-band test methods for quantifying the performance of anechoic and hemi-anechoic spaces, defines the qualification procedure for an omni-directional sound source suitable for free-field qualification, gives details of how to present the results and describes uncertainties of measurement.
ISO 26101:2017 has been developed for qualifying anechoic and hemi-anechoic spaces for a variety of acoustical measurement purposes. It is expected that, over time, various standards and test codes will refer to this document in order to qualify an anechoic or hemi-anechoic space for a particular measurement.
In the absence of specific requirements or criteria, Annex A provides qualification criteria and measurement requirements to qualify anechoic and hemi-anechoic spaces for general purpose acoustical measurements.
ISO 26101:2017 describes the divergence loss method for measuring the free sound field performance of an acoustic environment.
| DevelopmentNote |
Supersedes ISO/DIS 26101. (04/2017)
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| DocumentType |
Standard
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| Pages |
22
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| PublisherName |
International Organization for Standardization
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| Status |
Withdrawn
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| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| NEN ISO 26101 : 2012 | Identical |
| BS ISO 26101:2017 | Identical |
| UNI ISO 26101 : 2012 | Identical |
| UNI ISO 26101:2017 | Identical |
| GOST R ISO 26101 : 2014 | Identical |
| NF ISO 26101 : 2012 | Identical |
| BS EN 61672-2 : 2013 | ELECTROACOUSTICS - SOUND LEVEL METERS - PART 2: PATTERN EVALUATION TESTS |
| CEI EN 61672-2 : 2014 | ELECTROACOUSTICS - SOUND LEVEL METERS - PART 2: PATTERN EVALUATION TESTS |
| ANSI/ASA S1.4 PART 2 : 2014 | ELECTROACOUSTICS - SOUND LEVEL METERS - PART 2: PATTERN EVALUATION TESTS |
| EN 61094-8:2012/AC:2013 | Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison |
| 13/30266712 DC : 0 | BS ISO 16254 - MEASUREMENT OF MINIMUM NOISE EMITTED BY ROAD VEHICLES |
| SAE J2889/1_201511 | Measurement of Minimum Noise Emitted by Road Vehicles |
| 15/30263133 DC : 0 | BS ISO 14878 - CYCLES - AUDIO WARNING DEVICES - TECHNICAL SPECIFICATION AND TEST METHODS |
| 14/30270415 DC : 0 | BS ISO 362-3 - EASUREMENT OF NOISE EMITTED BY ACCELERATING ROAD VEHICLES - ENGINEERING METHOD - PART 3: INDOOR TESTING M AND N CATEGORIES |
| 15/30289129 DC : 0 | BS EN ISO 3745:2012/AMD 1 - ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR ANECHOIC ROOMS AND HEMI-ANECHOIC ROOMS |
| I.S. EN ISO 3745:2012 | ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR ANECHOIC ROOMS AND HEMI-ANECHOIC ROOMS (ISO 3745:2012) |
| BS EN 61094-8:2012 | Electroacoustics. Measurement microphones Methods for determining the free-field sensitivity of working standard microphones by comparison |
| BS ISO 16254:2016 | Acoustics. Measurement of sound emitted by road vehicles of category M and N at standstill and low speed operation. Engineering method |
| ISO 16254:2016 | Acoustics — Measurement of sound emitted by road vehicles of category M and N at standstill and low speed operation — Engineering method |
| I.S. EN 61672-2:2013 | ELECTROACOUSTICS - SOUND LEVEL METERS - PART 2: PATTERN EVALUATION TESTS |
| UNE-EN ISO 3745:2012 | Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic rooms and hemi-anechoic rooms (ISO 3745:2012) |
| ISO 3745:2012 | Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms |
| BS ISO 14878:2015 | Cycles. Audible warning devices. Technical specification and test methods |
| CEI EN 61094-8 : 2013 | ELECTROACOUSTICS - MEASUREMENT MICROPHONES - PART 8: METHODS FOR FREE-FIELD CALIBRATION OF WORKING STANDARD MICROPHONES BY COMPARISON |
| BS ISO 362-3:2016 | Measurement of noise emitted by accelerating road vehicles. Engineering method Indoor testing M and N categories |
| MIL-STD-1474 Revision E:2015 | NOISE LIMITS |
| IEC 61094-8:2012 | Measurement microphones - Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison |
| UNE-EN 61094-8:2013 | Measurement microphones. Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison |
| ISO 14878:2015 | Cycles Audible warning devices Technical specification and test methods |
| I.S. EN 61094-8:2012 | MEASUREMENT MICROPHONES - PART 8: METHODS FOR DETERMINING THE FREE-FIELD SENSITIVITY OF WORKING STANDARD MICROPHONES BY COMPARISON (IEC 61094-8:2012 (EQV)) |
| ISO 362-3:2016 | Measurement of noise emitted by accelerating road vehicles — Engineering method — Part 3: Indoor testing M and N categories |
| ANSI S12.55 : 2012 | ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR ANECHOIC ROOMS AND HEMI-ANECHOIC ROOMS |
| BS EN ISO 3745 : 2012 | ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR ANECHOIC ROOMS AND HEMI-ANECHOIC ROOMS |
| IEC 61672-2:2013+AMD1:2017 CSV | Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests |
| EN 61672-2:2013/A1:2017 | ELECTROACOUSTICS - SOUND LEVEL METERS - PART 2: PATTERN EVALUATION TESTS (IEC 61672-2:2013/A1:2017) |
| ISO/TR 25417:2007 | Acoustics Definitions of basic quantities and terms |
| IEC 61094-4:1995 | Measurement microphones - Part 4: Specifications for working standard microphones |
| ISO 266:1997 | Acoustics — Preferred frequencies |
| AS 5336:2019 | Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for anechoic rooms and hemi - anechoic rooms |
| ISO 9613-1:1993 | Acoustics Attenuation of sound during propagation outdoors Part 1: Calculation of the absorption of sound by the atmosphere |
| IEC 61260-1:2014 | Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications |
| ISO 10140-5:2010 | Acoustics Laboratory measurement of sound insulation of building elements Part 5: Requirements for test facilities and equipment |
| ISO/IEC Guide 98-3:2008 | Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) |
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