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| import gradio as gr | |
| from transformers import Wav2Vec2CTCTokenizer, Wav2Vec2ForCTC, Wav2Vec2ProcessorWithLM | |
| import torch | |
| import torchaudio | |
| model_name = "Yehor/wav2vec2-xls-r-300m-uk-with-small-lm" | |
| tokenizer = Wav2Vec2CTCTokenizer.from_pretrained(model_name) | |
| processor = Wav2Vec2ProcessorWithLM.from_pretrained(model_name) | |
| model = Wav2Vec2ForCTC.from_pretrained(model_name) | |
| model.to("cpu") | |
| # define function to read in sound file | |
| def speech_file_to_array_fn(path, max_seconds=10): | |
| batch = {"file": path} | |
| speech_array, sampling_rate = torchaudio.load(batch["file"]) | |
| if sampling_rate != 16000: | |
| transform = torchaudio.transforms.Resample( | |
| orig_freq=sampling_rate, new_freq=16000 | |
| ) | |
| speech_array = transform(speech_array) | |
| speech_array = speech_array[0] | |
| if max_seconds > 0: | |
| speech_array = speech_array[: max_seconds * 16000] | |
| batch["speech"] = speech_array.numpy() | |
| batch["sampling_rate"] = 16000 | |
| return batch | |
| # tokenize | |
| def inference(audio): | |
| # read in sound file | |
| # load dummy dataset and read soundfiles | |
| sp = speech_file_to_array_fn(audio.name) | |
| sample_rate = 16000 | |
| # stride_length_s is a tuple of the left and right stride length. | |
| # With only 1 number, both sides get the same stride, by default | |
| # the stride_length on one side is 1/6th of the chunk_length_s | |
| input_values = processor( | |
| sp["speech"], | |
| sample_rate=sample_rate, | |
| chunk_length_s=10, | |
| stride_length_s=(4, 2), | |
| return_tensors="pt", | |
| ).input_values | |
| with torch.no_grad(): | |
| logits = model(input_values).logits | |
| pred_ids = torch.argmax(logits, axis=-1).cpu().tolist() | |
| prediction = tokenizer.decode(pred_ids[0], output_word_offsets=True) | |
| time_offset = 320 / sample_rate | |
| total_prediction = [] | |
| words = [] | |
| for item in prediction.word_offsets: | |
| r = item | |
| s = round(r['start_offset'] * time_offset, 2) | |
| e = round(r['end_offset'] * time_offset, 2) | |
| total_prediction.append(f"{s} - {e}: {r['word']}") | |
| words.append(r['word']) | |
| print(prediction[0]) | |
| return "\n".join(total_prediction) + "\n\n" + ' '.join(words) | |
| inputs = gr.inputs.Audio(label="Input Audio", type="file") | |
| outputs = gr.outputs.Textbox(label="Output Text") | |
| title = model_name | |
| description = f"Gradio demo for a {model_name}. To use it, simply upload your audio, or click one of the examples to load them. Read more at the links below. Currently supports .wav 16_000hz files" | |
| article = "<p style='text-align: center'><a href='https://github.com/egorsmkv/wav2vec2-uk-demo' target='_blank'> Github repo</a> | <a href='<HF Space link>' target='_blank'>Pretrained model</a> | Made with help from <a href='https://github.com/robinhad' target='_blank'>@robinhad</a></p>" | |
| examples = [ | |
| ["long_1.wav"], | |
| ["mer_lviv_interview.wav"], | |
| ["short_1.wav"], | |
| ["tsn_2.wav"], | |
| ["tsn.wav"], | |
| ] | |
| gr.Interface( | |
| inference, | |
| inputs, | |
| outputs, | |
| title=title, | |
| description=description, | |
| article=article, | |
| examples=examples, | |
| ).launch() | |