NASAKI168 RTP SLOT Each bit occupies one time slot. Just use a shoe box or a cigar box and cut a small slot in the lid. No attempt was made to use a carrier able to support both rates; instead, AES3 allows the data to be run at any rate, and encoding the clock and the data together using biphase mark code (BMC). 0-3 Preamble A synchronisation preamble (biphase mark code violation) for audio blocks, frames, and subframes. Each audio sample (of up to 24 bits) is combined with four flag bits and a synchronisation preamble which is four time slots long to make a subframe of 32 time slots.|Slot Demo Lengkap Mindset. Genius {Idea|Concept|Thought}!