HOW TO Google Cloud Text-To-Speech API https://cloud.google.com/text-to-speech

Download Google Cloud SDK

https://cloud.google.com/sdk/docs/install

Install Google Cloud SDK

./google-cloud-sdk/install.sh

"Modify profile to update your $PATH and enable bash completion?" Yes

Enter this path to modify: /Users/YOUR_USERNAME/.bashrc

Initialize Google Cloud SDK

./google-cloud-sdk/bin/gcloud init

Update PATH for Google Cloud SDK

source /Users/YOUR_USERNAME/google-cloud-sdk/path.zsh.inc

Enable zsh completion for gcloud

source /Users/YOUR_USERNAME/google-cloud-sdk/completion.zsh.inc

Activate NLP API on GCP and create key

https://console.developers.google.com/apis/api/texttospeech.googleapis.com/overview?project=YOUR_PROJECT_ID

Download .json key and adjust reference for glcoud

export GOOGLE_APPLICATION_CREDENTIALS="/home/user/Downloads/key.json"

Request API to synthesize your given text

curl -H "Authorization: Bearer "$(gcloud auth application-default print-access-token) -H "Content-Type: application/json; charset=utf-8" --data "{ 'input':{ 'text':'Google Cloud Text-to-Speech enables developers to synthesize natural-sounding speech with 100+ voices, available in multiple languages and variants. It applies DeepMind’s groundbreaking research in WaveNet and Google’s powerful neural networks to deliver the highest fidelity possible. As an easy-to-use API, you can create lifelike interactions with your users, across many applications and devices.' }, 'voice':{ 'languageCode':'en-gb', 'name':'en-GB-Standard-A', 'ssmlGender':'FEMALE' }, 'audioConfig':{ 'audioEncoding':'MP3' } }" "https://texttospeech.googleapis.com/v1/text:synthesize"

Decode Base64 audioContent to given audioEncoding MP3

base64 --decode source_base64_text_file > dest_audio_file

Let python do the magic

script_without_translation (swiss german audio file - german transcription - speech synthesis) script_with_translation (swiss german audio file - german transcription - translation - speech synthesis)

SOURCES

https://stackoverflow.com/questions/31037279/gcloud-command-not-found-while-installing-google-cloud-sdk https://gist.github.com/dwchiang/10849350

HINTS

https://colab.research.google.com/notebooks/io.ipynb (colab file upload snippets)