Metal templates were made for each of the different kinds tracker bars to be supported. The FAX machine had a line-scan CCD camera, analog compensation and quantization for the video, and several channels of 1-bit memory. Many years ago I made a piano-roll (and band-organ book) reader from parts of an old FAX machine. At it’s peak the player was in 85% of pianos sold and the home entertainment system of choice. I will follow them up, as I rebuild players and want to hack a roll perforator to preserve old rolls and bring new music to this old digital realm. ![]() A player running on a suction source is as boring as hearing recordings that have been compressed or peed on by mp3. This should be done in midi with a control in real time or edited into the work. ![]() Whats missing from a roll conversion to midi, is the absolute joy of playing with your feet the volume of your own expression. ![]() These players were fully automatic, incl reroll and shutoff. This was binary weighted 1-2-4-8 in 1913! Midi only uses twice the bits but for each note. The exception of course were the reproducers like Aeolians DuoArt with 4 bits for each half of the keyboard that controlled volume. Players never encoded the soft pedal only the damper pedal. Tracking is disconnected, but should be hooked up with a servo to the two fingers at each side of the tracker bar. An Aeolian spool box no doubt, the finest.
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