Sujet Le Pub des Instruments Électroniques

LASERNOTO

What is it?

The LASERNOTO is an audio-controlled compact laser projector, an XY laser oscilloscope and sound waveform visualiser.
The idea behind this device was to make the oscilloscope screen larger and with the possibility of connecting musical instruments.
The projector transforms incoming audio signals into geometric shapes, which are drawn by the laser beam.
The device consists entirely of analog components and circuitry.
This is done in order to bypass digital delays and maintain high signal sensitivity.
This visualizer is perfect for home studio set up, as a video installation and as a visual companion that provides an automatic accompaniment to your synthesizers, modular systems and other musical instruments.
The set consists of two units: the first is the emitter, aka laser, the second is the control panel.

Key features:
Laser power (Home version) no more than 200 mW (Class 3B up to 500 mW) To avoid dangerous fires and eye injuries.
Connection interface - 2x Audio Jack 6.35, CV/Gate
Control of offset, modulation via CV (up to +/-10V)
Beam brightness control (an additional controller will be added)
Operates both in stereo mode and each channel separately (X / Y mode)
High sensitivity to audio signal changes
Easy analogue connection
Universal 110-230 power supply, device consumption (Home version) less than 30W.

How does it work?

The audio signal goes to the level converter, which divides the stereo signal into 'mid-sides', i.e. X and Y, then this signal goes to the offset control board, then to the mirror driver board, then to the motor and after the beam comes to the mirrors.
The two audio channels can be in stereo mode or separate X Y channels (there is a switch). The ratio of these vector sides draws the picture. Which depends on three parameters
1. The incoming frequency
2. Remote control setting
3. Number of components in the audio signal