STN EN IEC 60318-8
| Name: | STN EN IEC 60318-8 |
| Validity: | Valid |
| Number of pages: | 40 |
| Language: |
EN
|
| Paper: | 18,90€ |
| Electronic version |
a) Only read (without ability to print and copy)
17,01€ b) Without ability to print, with ability to copy (printscreen) 18,90€ c) With ability to print and copy (printscreen) 24,57€ |
| Slovak title | Elektroakustika. Simulátory ľudskej hlavy a ucha. Časť 8: Akustický väzbový člen na vysokofrekvenčné merania sluchových protéz a slúchadiel pripojených na ucho prostredníctvom ušných vložiek |
| English title | Electroacoustics - Simulators of human head and ear - Part 8: Acoustic coupler for high-frequency measurements of hearing aids and earphones coupled to the ear by means of ear inserts |
| Release Date: | 01. 08. 2022 |
| Date of withdrawal: | |
| ICS: | 17.140.50 |
| Sorting character/National clasification code | 36 8820 |
| Level of incorporation: | idt IEC 60318-8:2022, idt EN IEC 60318-8:2022 |
| Official Journal | 07/22 |
| Amendments | |
| Replaced by: | |
| Repleces: | |
| Note in Official Journal: | |
| Subject of the standard: | IEC 60318-8:2022 describes an acoustic coupler for loading a hearing aid or insert earphone with a specified acoustic impedance when testing its acoustic performance, in the frequency range up to 16 kHz. It is suitable for air-conduction hearing aids and earphones, coupled to the ear by means of ear inserts, earmoulds or similar devices. The acoustic coupler does not simulate the human ear. However, it has an effective volume of only 0,4 cm3, which is small enough not to produce significant resonances in the coupler in the frequency range below 16 kHz. Therefore, it will load the earphone with a known acoustic impedance, which allows repeatable measurements with low uncertainty to be obtained on earphones used in extended high-frequency audiometry. |
| Preview: | Náhľad normy (PDF) |