The flying erase head runs over the tape and the video heads record the signal virtually instantly after the flying erase head has passed.
12.
However, when trying to edit footage deck to deck, portions of the old recording's video may be between the erase head and video recording heads.
13.
One such arrangement was used to build up multilayered textures by sequentially recording sounds with the erase head disconnected or with a customised arrangement of the heads.
14.
Upon recording, the erase heads erase any old recording contained on the tape to prevent anything already recorded on it from interfering with what is being recorded.
15.
The flying erase head is so-called because an erase head is mounted on the video head drum and rotates around in the same manner as the video heads.
16.
The flying erase head is so-called because an erase head is mounted on the video head drum and rotates around in the same manner as the video heads.
17.
Normally, the tape is passed longitudinally through two fixed erase heads, one located just before the tape moves to the video head drum and the other right next to the audio / control head stack.
18.
This results in a faint rainbow-like noise at and briefly after the point of the cut as the old video recording missed by the fixed erase head is never completely erased as the new recording is printed.
19.
Sound on sound which Les Paul invented adds a new performance to an existing recording by placing a second playback head in front of the erase head to play back the existing track before erasing it and re-recording a new track.
20.
Since the erase head erases the old signal right before the video heads write onto the tape, there is no remnant of the old signal to cause visible distortion at and after the moment a cut is made, resulting in a clean edit.
