adts
Sans-IO ADTS (raw AAC elementary stream) mux + demux. Freestanding — no Mediaway
or iso-bmff types.
Unprefixed reusable core — naming ADR-0012.
v1 scope: no-CRC header, single raw-data-block per frame (the common AAC-LC case).
See docs/roadmap.md and
adr/0001.