Upload app.py

app.py

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+import gradio as gr
+import numpy as np
+import torch
+from deep_translator import GoogleTranslator
+from transformers import (
+    AutoTokenizer,
+    VitsModel,
+    pipeline
+)
+
+device = "cpu"
+
+# Load speech recognition pipeline
+asr_pipe = pipeline("automatic-speech-recognition", model="openai/whisper-base", device=device)
+
+# Load text-to-speech model (for Telugu)
+model = VitsModel.from_pretrained("facebook/mms-tts-tel")
+tokenizer = AutoTokenizer.from_pretrained("facebook/mms-tts-tel")
+
+def translate(audio):
+    outputs = asr_pipe(audio, generate_kwargs={"task": "translate"})
+    return outputs["text"]
+
+def synthesise(text):
+    inputs = tokenizer(text=text, return_tensors="pt")
+    with torch.no_grad():
+        speech = model(**inputs).waveform
+    return speech.reshape(-1, 1).cpu()
+
+def speech_to_speech_translation(audio):
+    translated_text = translate(audio)
+    google_translated = GoogleTranslator(source="en", target="tel").translate(translated_text)
+    synthesised_speech = synthesise(google_translated)
+    synthesised_speech = (synthesised_speech.numpy() * 32767).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 Telugu. Demo uses OpenAI's [Whisper Base](https://huggingface.co/openai/whisper-base) model for speech transcription, [Deep Translator](https://github.com/nidhaloff/deep-translator) for translation, and Meta's [MMS TTS TEL](https://huggingface.co/facebook/mms-tts-tel) model for text-to-speech:
+![Cascaded STST](https://huggingface.co/datasets/huggingface-course/audio-course-images/resolve/main/s2st_cascaded.png "Diagram of cascaded speech to speech translation")
+"""
+
+demo = gr.Blocks()
+
+mic_translate = gr.Interface(
+    fn=speech_to_speech_translation,
+    inputs=gr.Audio(sources="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(sources="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()