// Imports the Google Cloud client library
const speech = require('@google-cloud/speech').v1p1beta1;
// Creates a client
const client = new speech.SpeechClient();
/**
* TODO(developer): Uncomment the following line before running the sample.
*/
// const uri = path to GCS audio file e.g. `gs:/bucket/audio.wav`;
const config = {
encoding: 'LINEAR16',
sampleRateHertz: 8000,
languageCode: 'en-US',
enableSpeakerDiarization: true,
minSpeakerCount: 2,
maxSpeakerCount: 2,
model: 'phone_call',
};
const audio = {
uri: gcsUri,
};
const request = {
config: config,
audio: audio,
};
const [response] = await client.recognize(request);
const transcription = response.results
.map(result => result.alternatives[0].transcript)
.join('\n');
console.log(`Transcription: ${transcription}`);
console.log('Speaker Diarization:');
const result = response.results[response.results.length - 1];
const wordsInfo = result.alternatives[0].words;
// Note: The transcript within each result is separate and sequential per result.
// However, the words list within an alternative includes all the words
// from all the results thus far. Thus, to get all the words with speaker
// tags, you only have to take the words list from the last result:
wordsInfo.forEach(a =>
console.log(` word: ${a.word}, speakerTag: ${a.speakerTag}`)
);
