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The LLK5 is a new type of
optical sound recorder which enables substantial
improvements in quality of optical sound recording by
applying „state of the art“ laser technology.
It simplifies the production of the sound negative
significantly since no mechanical moving parts are employed
in the optical recording path, and offers exceptional proven
operational reliability.
The exposure of the analogue mono or stereo sound track is
carried out by a focused and scanned beam of a HeNe laser,
emitting green light at a wavelength of 543 nm. The laser
beam is deflected perpendicular to the film transport
direction in relationship to the audio signal by
acousticoptical modulators and deflectors. The beam records
equidistant light application tracks with a width of 5-7 μm,
the envelope of which corresponds to the contours of the
analogue optical sound track.
The constant distance of the scan tracks on the film is
ensured by triggering the beam movement through a rotary
encoder on the sprocket sound drum. This technique also
facilitates the excellent wow and flutter characteristics of
the LLK5 because the recording is independent from the film
speed due to the digital buffer storage of the sound within
defined limits.
Features
- high reliability
- easy to use
- Excellent sound quality
- Simultaneous recording of analogue
mono/stereo sound, optional DTS, DOLBY
SR*D and SDDS
- Master and slave bi-phase coupling
- Insensitive to frequency and level overload
- Very low wow and flutter
- Substantially improved frequency response
- Almost no ground noise even with critical
source material.
- Complies with RoHS directive
Product sheet:
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