Fidelio work on the libretto by Georg Friedrich Treitschke. This version was first performed at the Kärntnertortheater on 23 May 1814, again under the title "Fidelio". The 17-year-old Franz Schubert was in the audience, having sold his school books to obtain a ticket. The increasingly deaf Beethoven led the performance, "assisted" by Michael Umlauf, who later performed the same task for Beethoven at the premiere of the Ninth Symphony. The role of Pizarro was taken by Johann Michael Vogl, who later became known for his collaborations with Schubert. This version of the opera was a great success, and "Fidelio" has been
Fidelio Telemetry Fidelio Telemetry Fidelio Telemetry is a computer software company, located in Italy, to develop telemetry software for R/C Racing Car. Its products include "Fidelio Orchestra" and "Testbed". Fidelio Telemetry develops telemetry software for processing and plotting telemetry data for R/C Car vehicles and RC racing setup. The Fidelio Company was founded in 2013, and has been providing telemetry software. In 2015 it claimed to have over 3000 customers. The rise of radio controller with telemetry support in RC Car world joint the opportunities offered by computer calculation are bringing new challenges to maintaining effective tools and analyzing programs for critical