 |
| |||
| звукомер; сонометр | |||
| сонометр (an instrument used in experimental psychology designed to furnish sounds whose intensities are in known ratios by permitting balls to drop from different heights upon plates of metal or slate) | |||
| звукомер | |||
| фонометр | |||
| шумомер; фонометр (аппарат для измерения силы звука) | |||
| аудиометр | |||
| электроакустический прибор | |||
|
phonometer : 3 do fraz, 3 tematyki |
| Akustyka | 1 |
| Elektronika | 1 |
| Pospolicie | 1 |