Audiovisual Dictionary Get to know the terms of the audiovisual ecosystem ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ SECAM The SECAM system is a 625-line system with a subcarrier frequency of a different color from the NTSC and PAL systems, with 44,062504250000.The second is divided into 25 frames. Our Services Medical CareDigitalisationVoD Content ManagementTeleport BACK TO INDEX NTSC PAL ← SDTV (STD) Signal/ Noise →