Applies to audio-frequency induction loop systems producing an alternating magnetic field and intended to provide an input signal for hearing aids operating with an induction pick-up coil. Specifies a standard value of magnetic field strength in audio-frequency induction loops for hearing aid purposes, such as will give an adequate signal-to-noise ratio without overloading the hearing aid.
Product Details
- Edition:
- 1.0
- Published:
- 01/01/1981
- Number of Pages:
- 9
- File Size:
- 1 file , 510 KB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
