Browser Audio Support

async function isDolbySupported() {
  const mediaConfig = {
    type: 'media-source',
    audio: {
      contentType: 'audio/mp4; codecs="ac-3"',
      spatialRendering: true,
    }
  }
  const results = await navigator.mediaCapabilities.decodingInfo(mediaConfig);
  return results.supported;
}