11 Commits

Author SHA1 Message Date
Fangjun Kuang
300a821f58
Fix aishell training (#1916) 2025-04-10 10:30:37 +08:00
Fangjun Kuang
d4d4f281ec
Revert "Replace deprecated pytorch methods (#1814)" (#1841)
This reverts commit 3e4da5f78160d3dba3bdf97968bd7ceb8c11631f.
2024-12-18 16:49:57 +08:00
Li Peng
3e4da5f781
Replace deprecated pytorch methods (#1814)
* Replace deprecated pytorch methods

- torch.cuda.amp.GradScaler(...) => torch.amp.GradScaler("cuda", ...)
- torch.cuda.amp.autocast(...) => torch.amp.autocast("cuda", ...)

* Replace `with autocast(...)` with `with autocast("cuda", ...)`


Co-authored-by: Li Peng <lipeng@unisound.ai>
2024-12-16 10:24:16 +08:00
Zengwei Yao
334beed2af
fix usages of returned losses after adding attention-decoder in zipformer (#1689) 2024-07-12 16:50:58 +08:00
zr_jin
bf2f94346c
Enabling char_level and compute_CER for aishell recipe (#1554)
* init fix

Co-authored-by: Fangjun Kuang <csukuangfj@gmail.com>
2024-03-18 11:57:47 +08:00
zr_jin
eb132da00d
additional instruction for the grad_scale is too small error (#1550) 2024-03-14 11:33:49 +08:00
zr_jin
7bdde9174c
A Zipformer recipe with Byte-level BPE for Aishell-1 (#1464)
* init commit

* Update train.py

* Update decode.py

* Update RESULTS.md

* added `vocab_size`

* removed unused softlinks

* added scripts for testing pretrained models

* set `bpe_model` as required

* re-org the bbpe recipe for aishell
2024-01-16 21:08:35 +08:00
Karel Vesely
716b82cc3a
streaming_decode.py, relax the audio range from [-1,+1] to [-10,+10] (#1448)
- some AudioTransform classes produce audio signals out of range [-1,+1]
   - Resample produced 1.0079
   - The range [-10,+10] was chosen to still be able to reliably
     distinguish from the [-32k,+32k] signal...
- this is related to : https://github.com/lhotse-speech/lhotse/issues/1254
2024-01-05 10:21:27 +08:00
Fangjun Kuang
8136ad775b
Use high_freq -400 in computing fbank features. (#1447)
See also https://github.com/k2-fsa/sherpa-onnx/issues/514
2024-01-04 13:59:32 +08:00
zr_jin
23913f6afd
Minor refinements for some stale but recently merged PRs (#1354)
* incorporate https://github.com/k2-fsa/icefall/pull/1269

* incorporate https://github.com/k2-fsa/icefall/pull/1301

* black formatted

* incorporate https://github.com/k2-fsa/icefall/pull/1162

* black formatted
2023-10-31 10:28:20 +08:00
zr_jin
d76c3fe472
Migrate zipformer model to other Chinese datasets (#1216)
added zipformer recipe for AISHELL-1
2023-10-24 16:24:46 +08:00