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license: apache-2.0
language:
- lus
base_model: facebook/wav2vec2-xls-r-2b
tags:
- mizo
- audio
- automatic-speech-recognition
- lus
datasets:
- generator
metrics:
- wer
model-index:
- name: wav2vec2-xls-r-2b-mizo-lus-v25
results:
- task:
name: Automatic Speech Recognition
type: automatic-speech-recognition
dataset:
name: generator
type: generator
config: default
split: train
args: default
metrics:
- name: Wer
type: wer
value: 0.15821226893189827
---
<!-- This model card has been generated automatically according to the information the Trainer had access to. You
should probably proofread and complete it, then remove this comment. -->
# Mizo Automatic Speech Recognition
This model is a fine-tuned version of [facebook/wav2vec2-xls-r-2b](https://huggingface.co/facebook/wav2vec2-xls-r-2b) on the generator dataset.
It achieves the following results on the evaluation set:
- Loss: 0.1318
- Wer: 0.1582
## Citation
**BibTeX entry and citation info:**
```
@article{10.1145/3746063,
author = {Bawitlung, Andrew and Dash, Sandeep Kumar and Pattanayak, Radha Mohan},
title = {Mizo Automatic Speech Recognition: Leveraging Wav2vec 2.0 and XLS-R for Enhanced Accuracy in Low-Resource Language Processing},
year = {2025},
issue_date = {July 2025},
publisher = {Association for Computing Machinery},
address = {New York, NY, USA},
volume = {24},
number = {7},
issn = {2375-4699},
url = {https://doi.org/10.1145/3746063},
doi = {10.1145/3746063},
journal = {ACM Trans. Asian Low-Resour. Lang. Inf. Process.},
month = jul,
articleno = {72},
numpages = {15},
}
```
## Training and evaluation data
MiZonal v1.0
### Training hyperparameters
The following hyperparameters were used during training:
- learning_rate: 0.0003
- train_batch_size: 8
- eval_batch_size: 8
- seed: 49
- gradient_accumulation_steps: 8
- total_train_batch_size: 64
- optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
- lr_scheduler_type: linear
- lr_scheduler_warmup_steps: 1000
- num_epochs: 28
- mixed_precision_training: Native AMP
### Training results
| Training Loss | Epoch | Step | Validation Loss | Wer |
|:-------------:|:-----:|:----:|:---------------:|:------:|
| 2.1831 | 2.18 | 300 | 0.3039 | 0.3949 |
| 0.7933 | 4.35 | 600 | 0.1978 | 0.2774 |
| 0.5182 | 6.53 | 900 | 0.1940 | 0.2764 |
| 0.4319 | 8.7 | 1200 | 0.1549 | 0.2587 |
| 0.3472 | 10.88 | 1500 | 0.1345 | 0.2096 |
| 0.2858 | 13.06 | 1800 | 0.1374 | 0.1916 |
| 0.2349 | 15.23 | 2100 | 0.1298 | 0.1839 |
| 0.1973 | 17.41 | 2400 | 0.1214 | 0.1820 |
| 0.1633 | 19.58 | 2700 | 0.1302 | 0.1631 |
| 0.1378 | 21.76 | 3000 | 0.1331 | 0.1804 |
| 0.1131 | 23.93 | 3300 | 0.1284 | 0.1666 |
| 0.0905 | 26.11 | 3600 | 0.1318 | 0.1582 |
### Framework versions
- Transformers 4.37.2
- Pytorch 2.3.1+cu121
- Datasets 2.16.1
- Tokenizers 0.15.1
|