Multi-Domain Cantonese Corpus (MDCC), consists of 73.6 hours of clean read speech paired with transcripts, collected from Cantonese audiobooks from Hong Kong. It comprises philosophy, politics, education, culture, lifestyle and family domains, covering a wide range of topics.

Manuscript can be found at: https://arxiv.org/abs/2201.02419

Transducers

	Encoder	Decoder	Comment
`zipformer`	Upgraded Zipformer	Embedding + Conv1d	The latest recipe with context-size set to 1

The decoder is modified from the paper Rnn-Transducer with Stateless Prediction Network. We place an additional Conv1d layer right after the input embedding layer.