icefall/egs/tedlium3/ASR/README.md
2024-01-14 08:05:49 -05:00

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# Introduction
This recipe includes some different ASR models trained with TedLium3.
# Transducers
There are various folders containing the name `transducer` in this folder.
The following table lists the differences among them.
| | Encoder | Decoder | Comment |
|----------------------------------|-----------|--------------------|-----------------------------|
| `transducer_stateless` | Conformer | Embedding + Conv1d | |
| `pruned_transducer_stateless` | Conformer | Embedding + Conv1d | Using k2 pruned RNN-T loss | |
The decoder in `transducer_stateless` is modified from the paper
[Rnn-Transducer with Stateless Prediction Network](https://ieeexplore.ieee.org/document/9054419/).
We place an additional Conv1d layer right after the input embedding layer.