Answer: TIMIT [small], LibriSpeech [large]
- The smallest model that is free to try is TIMIT
Start with TIMIT script. https://github.com/k2-fsa/icefall/tree/master/egs/timit/ASR
TIMIT can be downloaded using Lhotse training data files.
- Icefall also has LibriSpeech [1000 hours] that would be the second model to try.