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Home : ITU-T Home : ITU-T Work Programme : H.871     
  ITU-T A.5 justification information for referenced document CENELEC EN 50332-3 (2017) in draft H.871
1. Clear description of the referenced document:
Name: CENELEC EN 50332-3 (2017)
Title: Sound system equipment: Headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 3:measurement method for sound dose management
2. Status of approval:
published
3. Justification for the specific reference:
This standard defines 1.6 Pa2h (equivalent to 80dBA Leq40) as the weekly sound allowance, i.e., a 100% calculated sound dose acquired over a period of 7 days. The definition of sound dose in H.871 is based on this definition.
4. Current information, if any, about IPR issues:
CEN-CENELEC Guidelines for Implementation of the Common IPR Policy is at http://www.cenelec.eu/membersandexperts/referencematerial/guides.html
5. Other useful information describing the "Quality" of the document:
It is the basic standard on sound dose measurement.
6. The degree of stability or maturity of the document:
CENELEC published
7. Relationship with other existing or emerging documents:
ITU-T Rec. H.870 also refers to this standard.
8. Any explicit references within that referenced document should also be listed:
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"/
/
EN 50332-2:2013, Sound system equipment: Headphones and earphones associated with personal/
music players - Maximum sound pressure level measurement methodology - Part 2: Matching of sets/
with headphones if either or both are offered separately, or are offered as one package equipment but/
with standardised connectors between the two allowing to combine components of different/
manufacturers or different design/
/
EN 62368-1, Audio/video, information and communication technology equipment - Part 1: Safety/
requirements (IEC 62368-1:2014)/
/
HD 483.1 S2, Sound system equipment - Part 1: General
9. Qualification of CENELEC:
Qualified at SG15 meeting in 2012 September.
10. Other (for any supplementary information):
None
Note: This form is based on Recommendation ITU-T A.5