This file is 30 seconds long. It was exported from a Quantel sQ server using a Quantel 'MXF Power Portal'. The contents of this file are: 6 seconds anomorphic wide screen colour bars with circle and tone @ -18dBfs (PPM 4) + vocal ident 14 seconds anomorphic wide screen clip from House of Commons 10 seconds EBU colour bars and stereo ident tone @ -21dBfs (PPB 3 1/4)