The training-ready corpus behind
ghananlpcommunity/ghana-speech-phoneme-asr:
16 kHz audio paired with IPA phoneme targets, already in the partitioned parquet layout
that omnilingual-asr's
MixtureParquetStorage expects.
Use this if you want to resume or repeat the training without redoing ingestion, which
takes a couple of hours of streaming and re-encoding.
