GB/T 14199-1993
Replaced
GB/T 25498.1-2010
Active
National standards
GB/T 25498.1-2010 Electroacoustics—Simulators of human head and ear—Part 1:Ear simulator for the calibration of supra-aural earphones
GB/T 25498.1-2010 Electroacoustics—Simulators of human head and ear—Part 1:Ear simulator for the calibration of supra-aural earphones
Basic Information
Standard Code:
GB/T 25498.1-2010
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Acoustic metrology
ICS Name:
Electroacoustics
Publish Date:
2010-12-01
Implement Date:
2011-05-01
Pages:
11 pages
Scope
This part of GB/T 25498 specifies the structure and characteristics of ear simulators used for calibrating hearing measurements and electroacoustic measurements of telephones.
The ear simulators specified in this part have a frequency range of 20 Hz to 10,000 Hz.
Development Information
Same series standard
Replace the following standards
Referenced Standards
Adopt standards
IEC 60318-1:1998
Related Standards
GB/T 4128-1995
Active
GB/T 4128-1995 Acoustics—Standard hydrophone
GB/T 15953-1995
Replaced
GB/T 15953-1995 Instruments for the measurement of aural acoustic impedance/admittance
GB/T 16540-1996
Active
GB/T 16540-1996 Acoustics—Measurement and characterisation of ultrasonic fields in the frequency range 0.5MHz to 15MHz—Hydrophone method
YY/T 0458-2003
Replaced
YY/T 0458-2003 Technical requirements for ultrasonically blood-mimicking Doppler phantom
GB/T 20441.4-2006
Active