Mizo Automatic Speech Recognition (ASR) Models v3.0

whisper-large-v3-turbo-mizonal3-E2-lus-v2026.06

This model is a fine-tuned version of openai/whisper-large-v3-turbo on the MiZonal v3.0 dataset.

It achieves the following results on the evaluation set:

  • Wer: 14.6167
  • Cer: 2.8214
  • Real Time Factor: 0.0560

Quick Inference

import torch
import librosa
from transformers import WhisperProcessor, WhisperForConditionalGeneration

device = "cuda" if torch.cuda.is_available() else "cpu"

processor = WhisperProcessor.from_pretrained("andrewbawitlung/whisper-large-v3-turbo-mizonal3-E2-lus-v2026.06")
model = WhisperForConditionalGeneration.from_pretrained("andrewbawitlung/whisper-large-v3-turbo-mizonal3-E2-lus-v2026.06").to(device)

audio, sr = librosa.load("your_audio.wav", sr=16000)
input_features = processor(audio, sampling_rate=16000, return_tensors="pt").input_features.to(device)

with torch.no_grad():
    predicted_ids = model.generate(input_features, max_new_tokens=256)

transcription = processor.batch_decode(predicted_ids, skip_special_tokens=True)[0]
print(transcription)

Model description

Experiment Configurations

This repository is part of a series of experiments. The different configurations are:

  • E1 (Baseline): Standard training configuration.
  • E2 (Noise): Training with background noise augmentation.
  • E3 (Speed): Training with speed perturbation augmentation.
  • E4 (SpecAug): Training with SpecAugment (time and frequency masking).
  • E5 (Combined): Training with a combination of all augmentations.

All Models in this Family

Training hyperparameters

The following hyperparameters were used during training:

  • learning_rate: 1e-05
  • train_batch_size: 8
  • eval_batch_size: 8
  • seed: 42
  • optimizer: OptimizerNames.ADAMW_TORCH_FUSED
  • lr_scheduler_type: SchedulerType.LINEAR
  • num_epochs: 8

Training results

step epoch train_loss eval_loss eval_wer eval_cer learning_rate grad_norm
250 0.4554 0.5879 0.4359 32.0230 7.0116 4.98e-06 11.2265
500 0.9107 0.3496 0.3265 22.7498 4.9071 9.98e-06 8.8566
750 1.3661 0.2324 0.2632 19.2858 3.9599 9.36e-06 7.9487
1000 1.8215 0.1762 0.2435 17.4954 3.6383 8.72e-06 5.7156
1250 2.2769 0.0953 0.2509 17.7873 4.6455 8.08e-06 4.9855
1500 2.7322 0.0857 0.2428 18.3711 5.0095 7.43e-06 4.0912
1750 3.1876 0.0474 0.2399 16.2304 3.3503 6.79e-06 2.3282
2000 3.6430 0.0421 0.2514 15.9774 4.0147 6.15e-06 2.2509
2250 4.0984 0.0224 0.2566 14.7903 3.1241 5.51e-06 1.3668
2500 4.5537 0.0202 0.2679 15.4520 3.3097 4.86e-06 2.0542
2750 5.0091 0.0164 0.2702 16.7072 5.0944 4.22e-06 1.1179
3000 5.4645 0.0107 0.2733 16.6780 5.0908 3.58e-06 2.6542
3250 5.9199 0.0076 0.2848 13.9729 3.0322 2.94e-06 0.2975
3500 6.3752 0.0039 0.2819 15.7731 5.0785 2.29e-06 0.1877
3750 6.8306 0.0024 0.2863 13.7297 2.8979 1.65e-06 0.3065
4000 7.2860 0.0015 0.2860 13.7297 2.8697 1.01e-06 0.2391
4250 7.7413 0.0010 0.2887 14.8779 4.2497 3.67e-07 0.0548
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