no newdoc id exists at all (0 occurrences across 406 sentences) - but the 54 distinct sound_url values (e.g. SAB-TXT-AN-00000-01.WAV) already identify document boundaries; derive # newdoc id from the recording basename and set it once per document
sound_url
currently repeated on every sentence - move to document level once newdoc id exists
sent metadata
Field
Advice
sent_timecode
change to sound_alignment_begin, sound_alignment_end and duration