app.py

import gradio as gr
import whisper
from groq import Groq
from TTS.api import TTS
import torch
import os

# Load models
whisper_model = whisper.load_model("base")
tts_model = TTS(model_name="tts_models/en/ljspeech/tacotron2-DDC", progress_bar=False, gpu=torch.cuda.is_available())
groq_client = Groq(api_key="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")

# Core pipeline
def voice_to_voice(audio):
    # Transcribe
    transcription = whisper_model.transcribe(audio)["text"]

    # Generate response from Groq
    response = groq_client.chat.completions.create(
        messages=[{"role": "user", "content": transcription}],
        model="llama3-70b-8192",
    )
    groq_text = response.choices[0].message.content

    # Convert to speech
    output_path = "response.wav"
    tts_model.tts_to_file(text=groq_text, file_path=output_path)

    return groq_text, output_path

# Gradio Interface
iface = gr.Interface(
    fn=voice_to_voice,
    inputs=gr.Audio(source="microphone", type="filepath", label="🎙️ Speak your question"),
    outputs=[
        gr.Textbox(label="📝 Groq Answer"),
        gr.Audio(label="🎧 AI Voice Reply"),
    ],
    title="🎤 Voice Chat with Groq (LLaMA 3)",
    description="Speak your question. Whisper will transcribe it, Groq will answer it, and TTS will reply in voice.",
    live=False,
)

iface.launch()