TakeMyInterview AI: Offline Voice-to-Voice AI Job Interviewer Platform

// Local Node.js Audio Processing & Local LLM Scoring Pipeline
const { WhisperCpp } = require('whisper-node');
const { PiperTTS } = require('piper-tts-node');

// 1. Air-gapped on-device speech transcription
const whisper = new WhisperCpp({
  modelPath: './models/ggml-base.en.bin',
  whisperCppPath: './bin/whisper'
});

// 2. Real-time interview evaluation callback
async function processCandidateAnswer(pcmBuffer) {
  const text = await whisper.transcribe(pcmBuffer);
  
  // Local vLLM STAR scoring
  const response = await fetch('http://localhost:8000/v1/chat/completions', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({
      model: 'Qwen2.5-70B-Instruct',
      messages: [
        { role: 'system', content: 'Evaluate candidate interview answer using STAR model format.' },
        { role: 'user', content: text }
      ]
    })
  });

  const data = await response.json();
  return data.choices[0].message.content;
}