ISO 389-3:1994 PDF
Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators
Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 10
- Дата публикации:
- 22 сентября 1994 г.
- Издание:
- ISO IS 389 edition 1 version 1
- ICS:
- 13.140
Specifies the following data applicable to the calibration of bone vibrators for pure-tone bone-conduction audiometry: reference equivalent threshold force levels (RETFL), corresponding to the threshold of hearing of young otologically normal persons by bone-conduction audiometry; essential characteristics of the bone vibrator and of its method of coupling to a person under test and to the mechanical coupler; essential characteristics and datum level of the masking noise applied to the ear not under test.
Технические детали
- Технический комитет
- ISO/TC 43 - Acoustics
- SKU
- ISO 389-3:1994