Model Card for wav2vec2-xlsr-multilingual-56

Model Details

Model Description

• Developed by: voidful
• Shared by [Optional]: Hugging Face
• Model type: automatic-speech-recognition
• Language(s) (NLP): multilingual ( 56 language, 1 model Multilingual ASR )
• License: Apache-2.0
• Related Models:
  • Parent Model: wav2vec
• Resources for more information:
  • GitHub Repo
  • Model Space

Uses

Direct Use

This model can be used for the task of automatic-speech-recognition

Downstream Use [Optional]

More information needed

Out-of-Scope Use

The model should not be used to intentionally create hostile or alienating environments for people.

Bias, Risks, and Limitations

Significant research has explored bias and fairness issues with language models (see, e.g., Sheng et al. (2021) and Bender et al. (2021) ). Predictions generated by the model may include disturbing and harmful stereotypes across protected classes; identity characteristics; and sensitive, social, and occupational groups.

Recommendations

Users (both direct and downstream) should be made aware of the risks, biases and limitations of the model. More information needed for further recommendations.

Training Details

Training Data

See the common_voice dataset card Fine-tuned facebook/wav2vec2-large-xlsr-53 on 56 language using the Common Voice .

Training Procedure

Preprocessing

More information needed

Speeds, Sizes, Times

When using this model, make sure that your speech input is sampled at 16kHz.

Evaluation

Testing Data, Factors & Metrics

Testing Data

More information needed

Factors

Metrics

More information needed

Results

Click to expand

Common Voice Languages	Num. of data	Hour	WER	CER
ar	21744	81.5	75.29	31.23
as	394	1.1	95.37	46.05
br	4777	7.4	93.79	41.16
ca	301308	692.8	24.80	10.39
cnh	1563	2.4	68.11	23.10
cs	9773	39.5	67.86	12.57
cv	1749	5.9	95.43	34.03
cy	11615	106.7	67.03	23.97
de	262113	822.8	27.03	6.50
dv	4757	18.6	92.16	30.15
el	3717	11.1	94.48	58.67
en	580501	1763.6	34.87	14.84
eo	28574	162.3	37.77	6.23
es	176902	337.7	19.63	5.41
et	5473	35.9	86.87	20.79
eu	12677	90.2	44.80	7.32
fa	12806	290.6	53.81	15.09
fi	875	2.6	93.78	27.57
fr	314745	664.1	33.16	13.94
fy-NL	6717	27.2	72.54	26.58
ga-IE	1038	3.5	92.57	51.02
hi	292	2.0	90.95	57.43
hsb	980	2.3	89.44	27.19
hu	4782	9.3	97.15	36.75
ia	5078	10.4	52.00	11.35
id	3965	9.9	82.50	22.82
it	70943	178.0	39.09	8.72
ja	1308	8.2	99.21	62.06
ka	1585	4.0	90.53	18.57
ky	3466	12.2	76.53	19.80
lg	1634	17.1	98.95	43.84
lt	1175	3.9	92.61	26.81
lv	4554	6.3	90.34	30.81
mn	4020	11.6	82.68	30.14
mt	3552	7.8	84.18	22.96
nl	14398	71.8	57.18	19.01
or	517	0.9	90.93	27.34
pa-IN	255	0.8	87.95	42.03
pl	12621	112.0	56.14	12.06
pt	11106	61.3	53.24	16.32
rm-sursilv	2589	5.9	78.17	23.31
rm-vallader	931	2.3	73.67	21.76
ro	4257	8.7	83.84	21.95
ru	23444	119.1	61.83	15.18
sah	1847	4.4	94.38	38.46
sl	2594	6.7	84.21	20.54
sv-SE	4350	20.8	83.68	30.79
ta	3788	18.4	84.19	21.60
th	4839	11.7	141.87	37.16
tr	3478	22.3	66.77	15.55
tt	13338	26.7	86.80	33.57
uk	7271	39.4	70.23	14.34
vi	421	1.7	96.06	66.25
zh-CN	27284	58.7	89.67	23.96
zh-HK	12678	92.1	81.77	18.82
zh-TW	6402	56.6	85.08	29.07

# Model Examination

More information needed

Environmental Impact

Carbon emissions can be estimated using the Machine Learning Impact calculator presented in Lacoste et al. (2019) .

• Hardware Type: More information needed
• Hours used: More information needed
• Cloud Provider: More information needed
• Compute Region: More information needed
• Carbon Emitted: More information needed

Technical Specifications [optional]

Model Architecture and Objective

More information needed

Compute Infrastructure

More information needed

Hardware

More information needed

Software

More information needed

Citation

BibTeX:

More information needed

APA:

More information needed

Glossary [optional]

More information needed

More Information [optional]

More information needed

Model Card Authors [optional]

voidful in collaboration with Ezi Ozoani and the Hugging Face team

Model Card Contact

More information needed

How to Get Started with the Model

Use the code below to get started with the model.

Click to expand

Env setup:

!pip install torchaudio
!pip install datasets transformers
!pip install asrp
!wget -O lang_ids.pk https://huggingface.co/voidful/wav2vec2-xlsr-multilingual-56/raw/main/lang_ids.pk

Usage

import torchaudio
from datasets import load_dataset, load_metric
from transformers import (
    Wav2Vec2ForCTC,
    Wav2Vec2Processor,
    AutoTokenizer, 
    AutoModelWithLMHead 
)
import torch
import re
import sys
import soundfile as sf
model_name = "voidful/wav2vec2-xlsr-multilingual-56"
device = "cuda"
processor_name = "voidful/wav2vec2-xlsr-multilingual-56"
 
import pickle
with open("lang_ids.pk", 'rb') as output:
    lang_ids = pickle.load(output)
    
model = Wav2Vec2ForCTC.from_pretrained(model_name).to(device)
processor = Wav2Vec2Processor.from_pretrained(processor_name)
 
model.eval()
 
def load_file_to_data(file,sampling_rate=16_000):
    batch = {}
    speech, _ = torchaudio.load(file)
    if sampling_rate != '16_000' or sampling_rate != '16000':
        resampler = torchaudio.transforms.Resample(orig_freq=sampling_rate, new_freq=16_000)
        batch["speech"] = resampler.forward(speech.squeeze(0)).numpy()
        batch["sampling_rate"] = resampler.new_freq
    else:
        batch["speech"] = speech.squeeze(0).numpy()
        batch["sampling_rate"] = '16000'
    return batch
 
 
def predict(data):
    features = processor(data["speech"], sampling_rate=data["sampling_rate"], padding=True, return_tensors="pt")
    input_values = features.input_values.to(device)
    attention_mask = features.attention_mask.to(device)
    with torch.no_grad():
        logits = model(input_values, attention_mask=attention_mask).logits
        decoded_results = []
        for logit in logits:
            pred_ids = torch.argmax(logit, dim=-1)
            mask = pred_ids.ge(1).unsqueeze(-1).expand(logit.size())
            vocab_size = logit.size()[-1]
            voice_prob = torch.nn.functional.softmax((torch.masked_select(logit, mask).view(-1,vocab_size)),dim=-1)
            comb_pred_ids = torch.argmax(voice_prob, dim=-1)
            decoded_results.append(processor.decode(comb_pred_ids))
 
    return decoded_results
 
def predict_lang_specific(data,lang_code):
    features = processor(data["speech"], sampling_rate=data["sampling_rate"], padding=True, return_tensors="pt")
    input_values = features.input_values.to(device)
    attention_mask = features.attention_mask.to(device)
    with torch.no_grad():
        logits = model(input_values, attention_mask=attention_mask).logits
        decoded_results = []
        for logit in logits:
            pred_ids = torch.argmax(logit, dim=-1)
            mask = ~pred_ids.eq(processor.tokenizer.pad_token_id).unsqueeze(-1).expand(logit.size())
            vocab_size = logit.size()[-1]
            voice_prob = torch.nn.functional.softmax((torch.masked_select(logit, mask).view(-1,vocab_size)),dim=-1)
            filtered_input = pred_ids[pred_ids!=processor.tokenizer.pad_token_id].view(1,-1).to(device)
            if len(filtered_input[0]) == 0:
                decoded_results.append("")
            else:
                lang_mask = torch.empty(voice_prob.shape[-1]).fill_(0)
                lang_index = torch.tensor(sorted(lang_ids[lang_code]))
                lang_mask.index_fill_(0, lang_index, 1)
                lang_mask = lang_mask.to(device)
                comb_pred_ids = torch.argmax(lang_mask*voice_prob, dim=-1)
                decoded_results.append(processor.decode(comb_pred_ids))
                
    return decoded_results
 
 
predict(load_file_to_data('audio file path',sampling_rate=16_000)) # beware of the audio file sampling rate
 
predict_lang_specific(load_file_to_data('audio file path',sampling_rate=16_000),'en') # beware of the audio file sampling rate
 

{{ get_started_code | default("More information needed", true)}}