medium-voice-notes-p1-polly.js

const AWS = require("aws-sdk");

const polly = new AWS.Polly();
const bucketName = "polly-voice-notes";

const pollyCommonParas = {
  OutputFormat: "mp3",
  VoiceId: "Matthew",
  OutputS3BucketName: bucketName
};

async function pollyTask(text) {
  const result = await polly
    .startSpeechSynthesisTask({
      ...pollyCommonParas,
      Text: text
    })
    .promise();
  // We can query `getSpeechSynthesisTask` with this taskId to check the status(e.g., "failed").
  const taskId = result.SynthesisTask.TaskId;
  // ...
}