[ ] — Mispronunciation:
[verbatim](normalized)
[सक्रीन](स्क्रीन), [iskool](school)
! — Code-Mix:
!lang[verbatim](normalized). Language optional.
!en[ट्रेन](train), 
# — Named Entity:
#TYPE[verbatim](normalized). Type optional.
#PER[रमेश](रमेश), #GPE[नई दिल्ली](नई दिल्ली), #DATETIME[उन्नीस सौ पचासी](1985)
$ — Accent:
$accent-name[verbatim](normalized). Name optional.
$british[wa'er](water), $telugu[iskool](school), $[नईं](नहीं)
@ — Isolated tokens & span pairs
Hesitations: @umm, @uhh, @ehh…
Sounds: @laughter, @cough, @breathe…
Other: @short-pause, @long-pause, @stutter-block, @unintelligible
Disfluency spans: @filler-start … @filler-end,
@repair-start reparandum - repair @repair-end
Paralinguistic spans: @laughing-start … @laughing-end
Prosody: @emphasis-start … @emphasis-end,
@raising-pitch-start … @raising-pitch-end,
@falling-pitch-start … @falling-pitch-end,
@high-pitch-start … @high-pitch-end,
@low-pitch-start … @low-pitch-end
& — Speaker Turn:
&sN-start … &sN-end
&s1-start नमस्ते &s1-end, &s2-start कैसे हो? &s2-end
The type/name after a prefix is optional — #[…](…),
$[…](…),  all render as their
category with an "unspecified" label.