Sondor is a manufacturer of Audio Video equipment located in Zollikon, Switzerland until 2017.
They are noted as inventing the standard for bi-phase interlocking pulse signals to sync sound to film.
SOUNDHOUSE is a product to add sound pick up to other telecines, like the Spirit DataCine.
Direct to disk recording has replaced much of the work done on separate film sound followers.
On December 9, 2016 Digital Film Technology (dft), completed the acquisition of Sondor.