[′dij·əd·əl ¦tel·ə‚vizh·ən kən′vərd·ər] (electronics) A converter used to convert television programs from one system to another, such as for converting 525-line 60-field United States broadcasts to 625-line 50-field European PAL (phase-alternation line) or SECAM (sequential couleur á memoire) standards; the video signal is digitized before conversion.