BBC America: TV ad specs

Format Standard	2 x Digital Betacams (NTSC) only 4:3 or 16:9 letterbox only (no 16:9 full height anamorphic)
Line Up Requirements	Start of Tape 60 sec 75% colour bars 15 sec slate: Advertiser Name Product Title ISCI (Key/Clock) Number – provided by Ops team Spot Duration Record Date Aspect Ratio The last 3 seconds of the VT clock must be mute and black onscreen Commercial duration must be an exact multiple of 5 seconds
Timecodes	All commercials should have continuous and matching LTC and VITC throughout the material. The VITC should be on lines 19 and 21 and field 2 lines 332 and 334 of the video signal. VITC on other lines is not compatible. First commercial on the tape should start at 10:00:00:00.
Audio	Commercials may be delivered with full final mix on tracks 1 and 2 (dual mono) or with stereo on tracks 1 and 2 (1=L, 2=R). Tracks 3 and 4 should be blank. Audio level should be –20 Dbfs for Digi Betas and +0 Db for Beta SP.
Miscellaneous	1 commercial per tape only
Rotation Instructions & Technical Enquiries Tape Delivery Address	BBC World Sales Operations London Robert Coombes, 2nd Floor East (MC2B1), Media Centre, 201 Wood Lane, London W12 7TQ. Email: robert.coombes@bbc.com Tel : +44 208 433 3040
Material Deadline	10 working days prior to transmission (not editorially complied) 8 working days prior to transmission (editorially complied)
Commercial Tape Storage	Tapes cannot be returned to clients. All tapes will be destroyed 6 months after final airing