Blattnerphone was a Tape recorder developed by the German film producer Louis Blattner in 1929. He used this technology to add synchronized sound to films he made while at Ellstree Studios in England. A simple recorder that used steel tape, and the audio output was further enhanced with an electronic amplifier.
German film producer
Ellstree Studios in England.
- Tape recorder – Wikipedia
An audio tape recorder, tape deck or tape machine is an analog audio storage device that records and plays back sounds, including articulated voices, usually using magnetic tape, either wound on a reel or in a cassette, for storage.
- Reel-to-reel audio tape recording – Wikipedia
Reel-to-reel or open-reel audio tape recording is the form of magnetic tape audio recording in which the recording medium is held on a reel, rather than being securely contained within a cassette.
- The Blattnerphone
An essential requirement of a recording system for broadcasting is that it should be possible to playback as soon as possible after making a recording. When broadcasting began the manufacture of gramophone records was a well established industry, but the process involved in making a record took at least twelve hours. It wasn’t until 1930 that a tape recording system suitable for broadcast use was available.
- The Tape Recorder – History – The Virtual Gramophone – Library and …
After the advent of microphones and electronic amplification, the next technical revolution in sound recording came with the introduction of magnetic tape recorders. The technology of magnetic recording dates back to 1898, when Valdemar Poulsen patented the Telegraphon, a device that recorded the electrical audio signal from a telephone transmitter as variations in magnetic flux on a length of steel piano wire.
- Blattnerphone – YouTube