synthesize earnings call transcripts from GCP

earnings transcript synthesizer.js

const textToSpeech = require('@google-cloud/text-to-speech');
const fs = require('fs');
const util = require('util');
const puppeteer = require('puppeteer');


const auth = {
  credentials: { // your gcp service account credentials
  }
};

// seeking alpha earnings transcript, change for different transcript
const seekingAlphaURL = 'https://seekingalpha.com/article/4409236-root-root-ceo-alex-timm-on-q4-2020-results-earnings-call-transcript';


(async () => {
  try {

    const browser = await puppeteer.launch({
      args: [
        '--incognito',

      ],
      headless: false
    });
    const page = await browser.newPage();
    await page.goto(seekingAlphaURL, {
      waitUntil: 'networkidle0',
    });
    await new Promise((res) => setTimeout(res, 2000))
    page.setViewport({ width: 1200, height: 1600 })
    await page.waitFor('[data-test-id="content-container"]');
    let [text] = Object.values(await page.evaluate(() => ({ transcript: document.querySelector('[data-test-id="content-container"]').innerText })));

    const segments = text.split('\n\n');
    const client = new textToSpeech.TextToSpeechClient(auth);



    const responses = await Promise.all(segments.map(text => {
      const request = {
        input: { text },
        voice: { languageCode: 'en-US', ssmlGender: 'MALE' },
        audioConfig: { audioEncoding: 'MP3' },
      };
      return client.synthesizeSpeech(request)
    }));

    const writeFile = util.promisify(fs.writeFile);
    await writeFile('output.mp3', Buffer.concat(responses.map(([r]) => r.audioContent)), 'binary');
    console.log('Audio content written to file: output.mp3');
    await browser.close();
  } catch (error) {
    console.error(error)
  }
})();