2. Frame formatting

2.1 Function roles

Between source coding and modulation (figure 1 ), formatting must create transport container-formats, most often called "frames", allowing :

multiplex, assemble and encapsulate the components of a radio service (coded audio samples, audio coding information, ancillary data, still images and/or video, etc.) and, more often than not, of several radio services;
transmit service information, also known as "signalling", to the receiver/decoder;
insert error-correcting detector codes, "repairers"...

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Frame formatting

(1) - DEHERY (Y-F.) - Le codage du son numérisé. Les spécifications, la technique de compression du son utilisée et sa qualité de restitutior. - CCETT Rennes, janv. 1992.
(2) - STOLL (G.), DEHERY (Y-F.) - High Quality Audio bit-rate reduction system family...

Source coding

Information technology – Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s – Part 3: Audio http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=22412 - ISO/IEC 11172-3 - 1993
Information technology – Generic coding of moving pictures and associated audio information – Part 3: Audio http://www.iso.org/iso/iso_catalogue/catalogue_ics/catalogue_detail_ics.htm?csnumber=22991...