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| import gradio as gr | |
| import numpy as np | |
| import torch | |
| from datasets import load_dataset | |
| from transformers import pipeline, VitsModel, VitsTokenizer | |
| device = "cuda:0" if torch.cuda.is_available() else "cpu" | |
| # load speech translation checkpoint | |
| asr_pipe = pipeline("automatic-speech-recognition", model="openai/whisper-base", device=device) | |
| # load text-to-speech checkpoint and speaker embeddings | |
| processor = VitsTokenizer.from_pretrained("facebook/mms-tts-fra") | |
| model = VitsModel.from_pretrained("facebook/mms-tts-fra").to(device) | |
| embeddings_dataset = load_dataset("Matthijs/cmu-arctic-xvectors", split="validation") | |
| speaker_embeddings = torch.tensor(embeddings_dataset[7306]["xvector"]).unsqueeze(0) | |
| def translate(audio): | |
| outputs = asr_pipe(audio, max_new_tokens=256, generate_kwargs={"task": "transcribe", "language": "fr"}) | |
| return outputs["text"] | |
| def synthesise(text): | |
| inputs = processor(text=text, return_tensors="pt") | |
| outputs = model(input_ids=inputs["input_ids"].to(device), speaker_id=speaker_embeddings.to(device)) | |
| speech = outputs["waveform"] | |
| return speech.squeeze(0).detach().cpu() | |
| target_dtype = np.int16 | |
| max_range = np.iinfo(target_dtype).max | |
| def speech_to_speech_translation(audio): | |
| translated_text = translate(audio) | |
| synthesised_speech = synthesise(translated_text) | |
| synthesised_speech = (synthesised_speech.numpy() * max_range).astype(np.int16) | |
| return 16000, synthesised_speech | |
| title = "Cascaded STST" | |
| description = """ | |
| Demo for cascaded speech-to-speech translation (STST), mapping from source speech in any language to target speech in French. Demo uses OpenAI's [Whisper Base](https://huggingface.co/openai/whisper-base) model for speech translation, and Microsoft's | |
| [MMS French TTS](https://huggingface.co/facebook/mms-tts-fra) model for text-to-speech: | |
|  | |
| """ | |
| demo = gr.Blocks() | |
| mic_translate = gr.Interface( | |
| fn=speech_to_speech_translation, | |
| inputs=gr.Audio(source="microphone", type="filepath"), | |
| outputs=gr.Audio(label="Generated Speech", type="numpy"), | |
| title=title, | |
| description=description, | |
| ) | |
| file_translate = gr.Interface( | |
| fn=speech_to_speech_translation, | |
| inputs=gr.Audio(source="upload", type="filepath"), | |
| outputs=gr.Audio(label="Generated Speech", type="numpy"), | |
| examples=[["./example.wav"]], | |
| title=title, | |
| description=description, | |
| ) | |
| with demo: | |
| gr.TabbedInterface([mic_translate, file_translate], ["Microphone", "Audio File"]) | |
| demo.launch() | |