An interface system for programmable measuring instruments (byte serial, bit parallel); part 1: functional specifications, electrical specifications, mechanical specifications, system applications and ...
Acoustics--Reference zero for the calibration of audiometric equipment--Part 4:Reference levels for narrow-band masking noise
发布日期:1999-03-08 实施日期:1999-09-01
Procedures for the measurement of real-ear acoustical characteristics of hearing aids (ISO 12124:2001)
Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
发布日期:1994-07-01 实施日期:1994-07-01
Terminal Equipment (TE) - Telephony for the hearing impaired - Electrical coupling of telephone sets to hearing aids; English version ETS 300679:1996
Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts.
实施日期:1986-07-31
An artificial ear of wide band type for the calibration of earphones used in audiometry
发布日期:1987-04-02 实施日期:1987-11-01
Electroacoustics. Simulators of Human Head and Ear. Part 3:Acoustic Coupler for the Calibration of Supra-Aural Earphones Used in Audiometry Electroacoustique. Simulateurs de Tete et d′Oreille Humaines....
实施日期:1998-08-01
Sound system equipment:Headphones and earphones associated with personal music players. Maximum sound pressure level measurement methodology. General method for "one package equipment"
发布日期:2013-10-31 实施日期:2013-10-31
Sound system equipment-Part 7:Methods of measurement on headphones and earphones
发布日期:2013-12-31 实施日期:2014-07-15
Akustik. Bestimmung der Schallimmission von ohrnahen Schallquellen. Verfahren unter Verwendung eines Kopf-und Rumpfsimulators Acoustics Determination of sound immission from sound sources placed close ...
实施日期:2004-11-18
Sound system equipment - Headphones and earphones associated with portable audio equipment - Maximum sound pressure level measurement methodology and limit considerations - Part 1: General method for "...
实施日期:2000-10-01
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