Setting Up Google Cloud Text-to-Speech

Click Launch Editor.

In the Shell Editor, expand the ai-conversations folder.

Choose File > New File and name the file key.json.

From this Hands-On Lab Credentials, copy the Service Account Credentials.

Paste the clipboard contents into the new file, and choose File > Save.

Switch to the Terminal enter the following command:

export GOOGLE_APPLICATION_CREDENTIALS=key.json

Activate the Cloud Shell.

Retrieve the working files:

git clone https://github.com/linuxacademy/content-gc-ai-services-deepdive

In the Cloud Shell, change directories:

cd content-gc-ai-services-deepdive/ai-conversations/

Call the Cloud Text-to-Speech API:

curl -X POST 
-H "Authorization: Bearer "$(gcloud auth application-default print-access-token) 
-H "Content-Type: application/json; charset=utf-8" 
-d @text-to-speech-request.json 
https://texttospeech.googleapis.com/v1/text:synthesize 
> synthesize-text.txt 

In the Shell Editor, open synthesize-text.txt.

Remove the following from the beginning of the file:

{
  "audioContent": "

From the end of the file, remove the following:

"
}

Save the file.

In the Cloud Shell, enter the following command:

base64 synthesize-text.txt -d > synthesized-audio.mp3

Download the MP3 file to your system:

cloudshell download synthesized-audio.mp3

Click Download.

Open the downloaded MP3 file to hear the results.