Askars Salimbajevs
f0960342ad
Add LODR support to online and offline recognizers ( #2026 )
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This PR integrates LODR (Level-Ordered Deterministic Rescoring) support from Icefall into both online and offline recognizers, enabling LODR for LM shallow fusion and LM rescore.
- Extended OnlineLMConfig and OfflineLMConfig to include lodr_fst, lodr_scale, and lodr_backoff_id.
- Implemented LodrFst and LodrStateCost classes and wired them into RNN LM scoring in both online and offline code paths.
- Updated Python bindings, CLI entry points, examples, and CI test scripts to accept and exercise the new LODR options.
2025-07-09 16:23:46 +08:00
Fangjun Kuang
0e738c356c
Add C++ runtime and Python API for NeMo Canary models ( #2352 )
2025-07-07 17:03:49 +08:00
Fangjun Kuang
3bf986d08d
Support non-streaming zipformer CTC ASR models ( #2340 )
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This PR adds support for non-streaming Zipformer CTC ASR models across
multiple language bindings, WebAssembly, examples, and CI workflows.
- Introduces a new OfflineZipformerCtcModelConfig in C/C++, Python, Swift, Java, Kotlin, Go, Dart, Pascal, and C# APIs
- Updates initialization, freeing, and recognition logic to include Zipformer CTC in WASM and Node.js
- Adds example scripts and CI steps for downloading, building, and running Zipformer CTC models
Model doc is available at
https://k2-fsa.github.io/sherpa/onnx/pretrained_models/offline-ctc/icefall/zipformer.html
2025-07-04 15:57:07 +08:00
Fangjun Kuang
f64c58342b
Support replacing homonphonic phrases ( #2153 )
2025-04-27 15:31:11 +08:00
Nickolay V. Shmyrev
84ed5d4288
Expose dither in python API ( #2127 )
2025-04-17 16:47:48 +08:00
Fangjun Kuang
0de7e1b9f0
Add C++ and Python API for Dolphin CTC models ( #2085 )
2025-04-02 19:09:00 +08:00
Fangjun Kuang
316424b382
Add C++ and Python API for FireRedASR AED models ( #1867 )
2025-02-16 22:45:24 +08:00
Fangjun Kuang
669f5ef441
Add C++ runtime and Python APIs for Moonshine models ( #1473 )
2024-10-26 14:34:07 +08:00
xsjk
1da75ee3c0
Fix typo in offline-lm-config.cc ( #1229 )
2024-08-07 15:38:34 +08:00
Fangjun Kuang
25f0a10468
Add C++ runtime for SenseVoice models ( #1148 )
2024-07-18 22:54:18 +08:00
SilverSulfide
656b9fa1c8
Add Python API support for Offline LM rescoring ( #1033 )
2024-06-19 16:29:37 +08:00
Fangjun Kuang
b0f7ed3ee3
Add inverse text normalization for non-streaming ASR ( #1017 )
2024-06-17 14:28:53 +08:00
Fangjun Kuang
fd5a0d1e00
Add C++ runtime for Tele-AI/TeleSpeech-ASR ( #970 )
2024-06-05 00:26:40 +08:00
Wei Kang
b012b78ceb
Encode hotwords in C++ side ( #828 )
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* Encode hotwords in C++ side
2024-05-20 19:41:36 +08:00
Fangjun Kuang
17cd3a5f01
Add C++ runtime for non-streaming faster conformer transducer from NeMo. ( #854 )
2024-05-10 12:15:39 +08:00
Bhaswati Saha
fda614d0d1
beam search value as parameter in offline_recognizer.py ( #673 )
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Co-authored-by: bhascns <bhaswati@mihup.com >
2024-03-18 18:43:05 +08:00
chiiyeh
466a6855c8
add hotwords docstring to offline_recognizer and online_recognizer ( #546 )
2024-01-25 16:54:20 +08:00
chiiyeh
3bb3849ec5
add blank_penalty for offline transducer ( #542 )
2024-01-25 15:00:09 +08:00
Fangjun Kuang
0e23f82691
Give an informative log for whisper on exceptions. ( #473 )
2023-12-08 14:33:59 +08:00
Fangjun Kuang
049fb9f451
Add Python APIs for WeNet CTC models ( #428 )
2023-11-16 14:20:41 +08:00
Fangjun Kuang
407602445d
Add CTC HLG decoding using OpenFst ( #349 )
2023-10-08 11:32:39 +08:00
Fangjun Kuang
33a5765169
Print a more user-friendly error message when using --hotwords-file. ( #344 )
2023-09-26 11:04:20 +08:00
Wei Kang
47184f9db7
Refactor hotwords，support loading hotwords from file ( #296 )
2023-09-14 19:33:17 +08:00
Fangjun Kuang
f709c95c5f
Support multilingual whisper models ( #274 )
2023-08-16 00:28:52 +08:00
Fangjun Kuang
a4bff28e21
Support TDNN models from the yesno recipe from icefall ( #262 )
2023-08-12 19:50:22 +08:00
Fangjun Kuang
b094868fb8
Add non-streaming websocket server for python ( #259 )
2023-08-11 15:56:24 +08:00
Fangjun Kuang
45b9d4ab37
Support whisper models ( #238 )
2023-08-07 12:34:18 +08:00
Fangjun Kuang
f3206c49dc
Reduce model initialization time for offline speech recognition ( #213 )
2023-07-14 18:07:27 +08:00
Fangjun Kuang
33bf8dc1f4
Support specifying providers in Python API ( #198 )
2023-07-06 10:14:01 +08:00
Wei Kang
8562711252
Implement context biasing with a Aho Corasick automata ( #145 )
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* Implement context graph
* Modify the interface to support context biasing
* Support context biasing in modified beam search; add python wrapper
* Support context biasing in python api example
* Minor fixes
* Fix context graph
* Minor fixes
* Fix tests
* Fix style
* Fix style
* Fix comments
* Minor fixes
* Add missing header
* Replace std::shared_ptr with std::unique_ptr for effciency
* Build graph in constructor
* Fix comments
* Minor fixes
* Fix docs
2023-06-16 14:26:36 +08:00
Fangjun Kuang
cea718e3d8
Support CoreML for macOS ( #151 )
2023-05-12 15:57:44 +08:00
Fangjun Kuang
80060c276d
Begin to support CTC models ( #119 )
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Please see https://k2-fsa.github.io/sherpa/onnx/pretrained_models/offline-ctc/nemo/index.html for a list of pre-trained CTC models from NeMo.
2023-04-07 23:11:34 +08:00
Fangjun Kuang
5d3c8edbc9
add python tests ( #111 )
2023-04-02 23:05:30 +08:00
manyeyes
3f7e0c23ac
adding a python api for offline decode ( #110 )
2023-04-02 13:17:43 +08:00
