Neumann made this film as a young lecturer with some students in the visual communication department at the Hamburg Art University. A film about the areas of application of the various microphones.
| Release Date | January 3, 1974 | |
|---|---|---|
| Status | Released | |
| Original Title | Tonübungsfilm | |
| Runtime | 12min | |
| Budget | — | |
| Revenue | — | |
| Language | German | |
| Original Language | German | |
| Production Countries | Germany | |
| Production Companies | Hochschule für Bildende Künste Hamburg | |