Inspired by the tape recordings of Raymond Cass, a hearing-aid specialist from Hull and one of the UK’s foremost researchers into ‘Electronic Voice Phenomenon’.
| Release Date | January 1, 2010 | |
|---|---|---|
| Status | Released | |
| Original Title | Of Unknown Origin | |
| Runtime | 3min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | ||