deepgram-hello-world

# Deepgram Hello World ## Overview Minimal working examples for Deepgram speech-to-text. Transcribe an audio URL in 5 lines with `createClient` + `listen.prerecorded.transcribeUrl`. Includes local file transcription, Python equivalent, and Nova-3 model selection. ## Prerequisites - `npm install @deepgram/sdk` completed - `DEEPGRAM_API_KEY` environment variable set - Audio source: URL or local file (WAV, MP3, FLAC, OGG, M4A) ## Instructions ### Step 1: Transcribe Audio from URL (TypeScript) ```typescript import { createClient } from '@deepgram/sdk'; const deepgram = createClient(process.env.DEEPGRAM_API_KEY!); async function main() { const { result, error } = await deepgram.listen.prerecorded.transcribeUrl( { url: 'https://static.deepgram.com/examples/Bueller-Life-moves-702702706.wav' }, { model: 'nova-3', // Latest model — best accuracy smart_format: true, // Auto-punctuation, paragraphs, numerals language: 'en', } ); if (error) throw error; const transcript = result.results.channels[0].alternatives[0].transcript; console.log('Transcript:', transcript); console.log('Confidence:', result.results.channels[0].alternatives[0].confidence); } main(); ``` ### Step 2: Transcribe a Local File ```typescript import { createClient } from '@deepgram/sdk'; import { readFileSync } from 'fs'; const deepgram = createClient(process.env.DEEPGRAM_API_KEY!); async function transcribeFile(filePath: string) { const audio = readFil...