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GB/T 25498.1-2010 Active
GB/T 25498.1-2010 Electroacoustics—Simulators of human head and ear—Part 1:Ear simulator for the calibration of supra-aural earphones
Abstract
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.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 25498.1-2010 |
| CCS | Acoustic metrology |
| ICS | Electroacoustics |
| Implement Date | 2011-05-01 |
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