Audiovisual Dictionary Get to know the terms of the audiovisual ecosystem TODAS0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ SMPTE 259M: HD SMPTE recommendation for composite signals or 525-line serial digital components. Our Services Audiovisual ConsultingOTT PlatformsIP Video BroadcastRadio Production Systems BACK TO INDEX Digital Components SMPTE 259M: HD Composite Broadcast OTT ← SMPTE (Society of Motion Picture and Television Engineers) SMPTE 260 →