Description
This Standard specifies general requirements for equipment designed for use in determining hearing threshold levels, relative to standard reference threshold levels established by means of psychoacoustic test methods, and that designed to perform psychoacoustic tests using speech material (hereafter referred to as audiometers).
Product Details
- Published:
- 01/01/2020
- Number of Pages:
- 53
- File Size:
- 1 file , 630 KB
