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layout hub_detail
background-class hub-background
body-class hub
category researchers
title Silero Language Classifier
summary Pre-trained Spoken Language Classifier
image silero_logo.jpg
author Silero AI Team
tags
audio
scriptable
github-link https://github.com/snakers4/silero-vad
github-id snakers4/silero-vad
featured_image_1 no-image
featured_image_2 no-image
accelerator cuda-optional
demo-model-link https://huggingface.co/spaces/pytorch/silero_language_classifier 
# this assumes that you have a proper version of PyTorch already installed
pip install -q torchaudio soundfile
import torch
torch.set_num_threads(1)
from pprint import pprint
# download example
torch.hub.download_url_to_file('https://models.silero.ai/vad_models/de.wav', 'de_example.wav')

model, utils = torch.hub.load(repo_or_dir='snakers4/silero-vad',
                              model='silero_lang_detector',
                              force_reload=True)

get_language, read_audio, *_ = utils

files_dir = torch.hub.get_dir() + '/snakers4_silero-vad_master/files'

wav = read_audio('de_example.wav')
language = get_language(wav, model)

pprint(language)

Model Description

Silero VAD: pre-trained enterprise-grade Voice Activity Detector (VAD), Number Detector and Language Classifier (95 languages). Enterprise-grade Speech Products made refreshingly simple (see our STT models). Each model is published separately.

Currently, there are hardly any high quality / modern / free / public voice activity detectors except for WebRTC Voice Activity Detector (link). WebRTC though starts to show its age and it suffers from many false positives.

(!!!) Important Notice (!!!) - the models are intended to run on CPU only and were optimized for performance on 1 CPU thread. Note that the model is quantized.

Additional Examples and Benchmarks

For additional examples and other model formats please visit this link and please refer to the extensive examples in the Colab format (including the streaming examples).

References

Language classifier model architecture is based on similar STT architectures.