 |
| |||
| reference equivalent | |||
| loudness volume equivalent; volume reference | |||
| équivalent de référence: 20 phrases in 4 subjects |
| Communications | 7 |
| Electronics | 3 |
| Telecommunications | 3 |
| Telephony | 7 |
|
| |||
| reference equivalent | |||
| loudness volume equivalent; volume reference | |||
| équivalent de référence: 20 phrases in 4 subjects |
| Communications | 7 |
| Electronics | 3 |
| Telecommunications | 3 |
| Telephony | 7 |