52562 speech-text pairs split from long recordings.
Source audio from ghananlpcommunity/navigation-corpus-speech-full-twi
Full-file CTC forced alignment (MMS-300M) for word-level timestamps
Sentence-boundary splits (. ? !) — long sentences re-chunked to 16 words
Leading/trailing silence trimmed with VAD (-40 dBFS threshold)
Filtered: min 1.0s, max 15.0s
Original sample rate preserved
Usage