wav2vec2-large-xls-r-300m-Urdu EU AI Act Compliance Profile

wav2vec2-large-xls-r-300m-Urdu

This model is a fine-tuned version of facebook/wav2vec2-xls-r-300m on the common_voice dataset. It achieves the following results on the evaluation set:

• Loss: 0.9889
• Wer: 0.5607
• Cer: 0.2370

Evaluation Commands

1. To evaluate on mozilla-foundation/common_voice_8_0 with split test

python eval.py --model_id kingabzpro/wav2vec2-large-xls-r-300m-Urdu --dataset mozilla-foundation/common_voice_8_0 --config ur --split test

Inference With LM

# pip install transformers datasets pyctcdecode kenlm huggingface_hub torch

import json, torch
from datasets import load_dataset, Audio
from transformers import AutoProcessor, AutoModelForCTC
from pyctcdecode import build_ctcdecoder
from huggingface_hub import hf_hub_download

mid = "kingabzpro/wav2vec2-large-xls-r-300m-Urdu"
proc = AutoProcessor.from_pretrained(mid)
model = AutoModelForCTC.from_pretrained(mid).eval().to(
    "cuda" if torch.cuda.is_available() else "cpu"
)

kenlm = hf_hub_download(mid, "language_model/5gram.bin")
uni  = hf_hub_download(mid, "language_model/unigrams.txt")
try: attrs = json.load(open(hf_hub_download(mid, "language_model/attrs.json"), encoding="utf-8"))
except: attrs = {}

v = proc.tokenizer.get_vocab()
id2tok = [t for t,i in sorted(v.items(), key=lambda x:x[1])]
blank = proc.tokenizer.pad_token_id; wdt = proc.tokenizer.word_delimiter_token
keep, labels = zip(*[
    (i, "" if i==blank else " " if t==wdt else t)
    for i,t in enumerate(id2tok) if (i==blank or t==wdt or len(t)==1)
])

dec = build_ctcdecoder(list(labels), kenlm_model_path=kenlm,
                       unigrams=open(uni,encoding="utf-8").read().splitlines())
dec.alpha, dec.beta = attrs.get("alpha",0.5), attrs.get("beta",1.0)

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Library

Base Model