# Automatic Speech Recognition on CHiME-4 single-channel (dt\_simu)

Source: [Automatic Speech Recognition on CHiME-4 single-channel (dt\_simu)](<https://www.sota2.com/research/sota/automatic-speech-recognition-on-chime-4-single-channel-dt_simu>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2026-02-26T06:08:31.764Z

Evaluation of Automatic Speech Recognition performance on the single-channel simulated development split (dt\_simu) of the CHiME-4 dataset, typically measured using Word Error Rate (WER).

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

| Scope | Recorded value |
| --- | --- |
| Task | Automatic Speech Recognition |
| Dataset (including any stated split) | CHiME-4 single-channel (dt\_simu) |
| Metric | WER |
| Unit | PERCENT |
| Direction | Lower is better |
| Results loaded | 5 of 5 |
| Coverage | All results currently returned for this benchmark |

Evaluation settings may differ between results. The original papers and recorded configurations are needed to establish comparability. A shared metric name alone does not establish an identical protocol.

## Metrics

- [WER](<https://www.sota2.com/research/sota/automatic-speech-recognition-on-chime-4-single-channel-dt_simu.md?metric=WER>): Lower is better; unit: PERCENT.

## Recorded results

| Method | WER | Result date | Report paper |
| --- | --- | --- | --- |
| WavLM (Weighted-sum) + Joint FT. WavLM | 3.1 | Not recorded | 6984246ba8b01e76cc8ee973 |
| IRIS | 3.2 | Not recorded | 6984246ba8b01e76cc8ee973 |
| WavLM (Token) + W2T-E | 3.2 | Not recorded | 6984246ba8b01e76cc8ee973 |
| WavLM (Weighted-sum) + W2W-E (TF-GridNet) | 4.1 | Not recorded | 6984246ba8b01e76cc8ee973 |
| WavLM (Weighted-sum) | 5.4 | Not recorded | 6984246ba8b01e76cc8ee973 |

### WavLM (Weighted-sum) + Joint FT. WavLM

WER: 3.1. Result ID: 6999fe4a5698665ec4801f1f.

[Reporting paper](<https://www.sota2.com/research/paper/6984246ba8b01e76cc8ee973.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6dfa1e209131cea3d210.md>)

[Implementation](<https://aka.ms/wavlm>)

Recorded evaluation configuration: {"Decoding":"LM-based","Training":"Joint Fine-tuning"}. This record does not assert independent reproduction.

### IRIS

WER: 3.2. Result ID: 6999fe4a5698665ec4801f1c.

[Reporting paper](<https://www.sota2.com/research/paper/6984246ba8b01e76cc8ee973.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6c311e209131cea32bf7.md>)

Recorded evaluation configuration: {"Decoding":"LM-based","Architecture":"Conv-TasNet + AED","Backbone":"WavLM Large"}. This record does not assert independent reproduction.

### WavLM (Token) + W2T-E

WER: 3.2. Result ID: 6999fe4a5698665ec4801f20.

[Reporting paper](<https://www.sota2.com/research/paper/6984246ba8b01e76cc8ee973.md>)

[Method origin paper](<https://www.sota2.com/research/paper/6984246ba8b01e76cc8ee973.md>)

Recorded evaluation configuration: {"Decoding":"LM-based","Frontend":"W2T-E"}. This record does not assert independent reproduction.

### WavLM (Weighted-sum) + W2W-E (TF-GridNet)

WER: 4.1. Result ID: 6999fe4a5698665ec4801f1e.

[Reporting paper](<https://www.sota2.com/research/paper/6984246ba8b01e76cc8ee973.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa70361e209131cea49961.md>)

Recorded evaluation configuration: {"Decoding":"LM-based","Frontend":"W2W-E (TF-GridNet)"}. This record does not assert independent reproduction.

### WavLM (Weighted-sum)

WER: 5.4. Result ID: 6999fe4a5698665ec4801f1d.

[Reporting paper](<https://www.sota2.com/research/paper/6984246ba8b01e76cc8ee973.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6dfa1e209131cea3d210.md>)

[Implementation](<https://aka.ms/wavlm>)

Recorded evaluation configuration: {"Decoding":"LM-based","Aggregation":"Weighted-sum"}. This record does not assert independent reproduction.

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