EN ISO 11904-1 : 2002
Current
The latest, up-to-date edition.
ACOUSTICS - DETERMINATION OF SOUND IMMISSION FROM SOUND SOURCES PLACED CLOSE TO THE EAR - PART 1: TECHNIQUE USING A MICROPHONE IN A REAL EAR (MIRE TECHNIQUE)
01-10-2002
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement principle
5 Instrumentation
5.1 Ear canal microphone
5.2 Reference field microphone
5.3 Check of calibration
5.4 Filters
6 Subjects
7 Use of ear canal microphone
7.1 Choice of ear canal measurement position
7.2 Mounting of microphones
7.3 Safety
8 Determination of free-field or diffuse-field
related equivalent continuous A-weighted sound
pressure level
8.1 Measurement of ear canal sound pressure level
8.2 Conversion to free-field or diffuse-field related
sound pressure level
8.3 A-weighting and summation
9 Free-field and diffuse-field frequency responses for
selected ear canal measurement positions
10 Determination of free-field or diffuse-field frequency
responses
10.1 General
10.2 Measurement principle
10.3 Establishment of a free reference sound field
10.4 Establishment of a quasi-free reference sound
field
10.5 Establishment of a diffuse reference sound field
10.6 Measurement of the reference sound field
10.7 Measurement of ear canal sound pressure level in
reference sound field
10.8 Determination of free-field or diffuse-field
frequency response
10.9 Simplifications in specific cases
10.10 Optional check of the measurement arrangement
11 Test report
Annex A (informative) Example of sources of measurement
uncertainty
Annex B (informative) Example of an uncertainty analysis
Bibliography
ISO 11904-1:2002 specifies basic framework measurement methods for sound immissions from sound sources placed close to the ear.
Committee |
CEN/TC 211
|
DocumentType |
Standard
|
PublisherName |
Comite Europeen de Normalisation
|
Status |
Current
|
Standards | Relationship |
NF EN ISO 11904-1 : 2003 | Identical |
SN EN ISO 11904-1 : 2003 | Identical |
UNE-EN ISO 11904-1:2003 | Identical |
ISO 11904-1:2002 | Identical |
I.S. EN ISO 11904-1:2002 | Identical |
UNI EN ISO 11904-1 : 2006 | Identical |
NBN EN ISO 11904-1 : 2002 | Identical |
SS-EN ISO 11904-1 : 2002 | Identical |
BS EN ISO 11904-1:2002 | Identical |
NS EN ISO 11904-1 : 1ED 2002 | Identical |
DIN EN ISO 11904-1:2003-02 | Identical |
NEN EN ISO 11904-1 : 2002 | Identical |
PN EN ISO 11904-1 : 2008 | Identical |
BS EN 352-5:2002 | Hearing protectors. Safety requirements and testing Active noise reduction ear muffs |
DIN EN 352-8:2008-07 | Hearing protectors - Safety requirements and testing - Part 8: Entertainment audio ear-muffs |
06/30156009 DC : DRAFT SEP 2006 | BS EN 13921 - PERSONAL PROTECTIVE EQUIPMENT - ERGONOMIC PRINCIPLES |
I.S. EN 352-5:2002 | HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 5: ACTIVE NOISE REDUCTION EAR-MUFFS |
EN 13819-2:2002 | Hearing protectors - Testing - Part 2: Acoustic test methods |
EN 352-6:2002 | Hearing protectors - Safety requirements and testing - Part 6: Ear-muffs with electrical audio input |
I.S. EN 13819-2:2002 | HEARING PROTECTORS - TESTING - PART 2: ACOUSTIC TEST METHODS |
I.S. EN 352-6:2002 | HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 6: EAR-MUFFS WITH ELECTRICAL AUDIO INPUT |
EN 352-8:2008 | Hearing protectors - Safety requirements and testing - Part 8: Entertainment audio ear-muffs |
BS EN 352-8:2008 | Hearing protectors. Safety requirements and testing Entertainment audio ear-muffs |
UNI EN 352-8 : 2008 | HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 8: ENTERTAINMENT AUDIO EAR-MUFFS |
DIN EN 352-5:2006-03 | Hearing protectors - Safety requirements and testing - Part 5: Active noise reduction ear-muffs |
ONORM EN 352-8 : 2008 | HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 8: ENTERTAINMENT AUDIO EAR-MUFFS |
16/30348450 DC : 0 | BS EN 13819-3 - HEARING PROTECTORS - TESTING - PART 3: SUPPLEMENTARY ACOUSTIC TEST METHOD |
I.S. EN 352-8:2008 | HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 8: ENTERTAINMENT AUDIO EAR-MUFFS |
BS EN 13921:2007 | Personal protective equipment. Ergonomic principles |
BS EN 13819-2:2002 | Hearing protectors. Testing Acoustic test methods |
BS EN 352-6:2002 | Hearing protectors. Safety requirements and testing Ear-muffs with electrical audio input |
EN 13921:2007 | Personal protective equipment - Ergonomic principles |
DIN EN 13921:2007-08 | Personal protective equipment - Ergonomic principles |
IEC 60601-1:2005+AMD1:2012 CSV | Medical electrical equipment - Part 1: General requirements for basic safety and essential performance |
IEC 60942:2003 | Electroacoustics - Sound calibrators |
IEC 61094-1:2000 | Measurement microphones - Part 1: Specifications for laboratory standard microphones |
ISO 11904-2:2004 | Acoustics Determination of sound immission from sound sources placed close to the ear Part 2: Technique using a manikin |
IEC 60268-7:2010 | Sound system equipment - Part 7: Headphones and earphones |
EN 50332-1:2013 | Sound system equipment: Headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 1: General method for "one package equipment" |
IEC 60268-1:1985 | Sound system equipment. Part 1: General |
IEC 61260:1995 | Electroacoustics - Octave-band and fractional-octave-band filters |
ISO 8253-2:2009 | Acoustics Audiometric test methods Part 2: Sound field audiometry with pure-tone and narrow-band test signals |
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