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tiantiaf/
voxlect-german-dialect-whisper-large-v3

Name: voxlect-german-dialect-whisper-large-v3
Availability: InStock

transformers

safetensors

model_hub_mixin

pytorch_model_hub_mixin

speaker_dialect_classification

audio-classification

mozilla-foundation/common_voice_11_0

2508.01691

openai/whisper-large-v3

finetune

openrail

endpoints_compatible

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Whisper-Large v3 for German Dialect Classification

Model Description

This model includes the implementation of German dialect classification described in Voxlect: A Speech Foundation Model Benchmark for Modeling Dialect and Regional Languages Around the Globe

Github repository: https://github.com/tiantiaf0627/voxlect

The included German dialects are with speakers from:

[
  "Austria", 
  "German-Non-NRW Area", 
  "German-NRW",
  "Other", 
  "Swiss"
]

How to use this model

Download repo

git clone git@github.com:tiantiaf0627/voxlect

Install the package

bash

conda create -n voxlect python=3.8
cd voxlect
pip install -e .

Load the model

python

# Load libraries
import torch
import torch.nn.functional as F
from src.model.dialect.whisper_dialect import WhisperWrapper

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

# Load model from Huggingface
model = WhisperWrapper.from_pretrained("tiantiaf/voxlect-german-dialect-whisper-large-v3").to(device)
model.eval()

Prediction

python

# Label List
dialect_list = [
  "Austria", 
  "German-Non-NRW Area", 
  "German-NRW",
  "Other", 
  "Swiss"
]
    
# Load data, here just zeros as an example
# Our training data filters output audio shorter than 3 seconds (unreliable predictions) and longer than 15 seconds (computation limitation)
# So you need to prepare your audio to a maximum of 15 seconds, 16kHz, and mono channel
max_audio_length = 15 * 16000
data = torch.zeros([1, 16000]).float().to(device)[:, :max_audio_length]
logits, embeddings = model(data, return_feature=True)
    
# Probability and output
dialect_prob = F.softmax(logits, dim=1)
print(dialect_list[torch.argmax(dialect_prob).detach().cpu().item()])

Responsible Use: Users should respect the privacy and consent of the data subjects, and adhere to the relevant laws and regulations in their jurisdictions when using Voxlect.

If you have any questions, please contact: Tiantian Feng (tiantiaf@usc.edu)

❌ Out-of-Scope Use

Clinical or diagnostic applications
Surveillance
Privacy-invasive applications
No commercial use

If you like our work or use the models in your work, kindly cite the following. We appreciate your recognition!

@article{feng2025voxlect,
  title={Voxlect: A Speech Foundation Model Benchmark for Modeling Dialects and Regional Languages Around the Globe},
  author={Feng, Tiantian and Huang, Kevin and Xu, Anfeng and Shi, Xuan and Lertpetchpun, Thanathai and Lee, Jihwan and Lee, Yoonjeong and Byrd, Dani and Narayanan, Shrikanth},
  journal={arXiv preprint arXiv:2508.01691},
  year={2025}
}