| Subject | English | German |
| acoust. | direct field of sound source | direktes Schallfeld |
| environ. | linear source of sound Point noise sources placed one after the other one as, for instance, in a row of cars moving on a road | Linienschallquelle |
| environ. | linear source of sound | Linienschallquelle |
| el., acoust. | sound power of a source | Schallleistung einer Quelle |
| phys. | source of sound | Schallquelle |
| med. | source of sound | Lautquelle |
| el., acoust. | strength of a simple sound source | Scheitelwert des Schallflusses eines Kugelstrahlers |
| tech. | strength of sound source | Ergiebigkeit einer Schallquelle |
| gen. | test of the sound source free of load idling | Standgeräuschmessung |