Mingshuang Luo beab229fd7
[Ready to merge] Pruned_transducer_stateless2 for alimeeting dataset (#378)
* add pruned-rnnt2 recipe for alimeeting dataset

* update code for merging

* change LilcomHdf5Writer to ChunkedLilcomHdf5Writer

* change for test.yml

* change for test.yml

* change for test.yml

* change for workflow yml

* change for yml

* change for yml

* change for README.md

* change for yml

* solve the conflicts

* solve the conflicts
2022-06-04 13:47:46 +08:00

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# Introduction
This recipe includes some different ASR models trained with Alimeeting (far).
[./RESULTS.md](./RESULTS.md) contains the latest results.
# Transducers
There are various folders containing the name `transducer` in this folder.
The following table lists the differences among them.
| | Encoder | Decoder | Comment |
|---------------------------------------|---------------------|--------------------|-----------------------------|
| `pruned_transducer_stateless2` | Conformer(modified) | 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.