AWS Polly - Text to Speech Service

Online service (browser-based)

https://console.aws.amazon.com/polly/home/SynthesizeSpeech

(Log on to aws, go to Polly. Very simple)

Command Line interface (CLI) service

1 Log on to aws and create an IAM user

• add a user with username: administrator with management console access
• create an admin group with admin access policy. add user to the group
• create an access key ID and secret access key
  sign in: https://console.aws.amazon.com/iam/
  user - security credentials - access keys - create access key
  download the key pair file (.csv) to your local computer 

2. install application: https://awscli.amazonaws.com/AWSCLIV2.msi

• check after installation: c:\> aws --version

3. configure aws CLI

• aws configure
  copy/paster key id, access key, input default region

4 start using Polly from command line. Examples:

aws polly synthesize-speech ^

    --output-format mp3 ^

    --voice-id Joanna ^

    --text "Hello, my name is Joanna. I learned about the W3C on 10/3 of last year." ^

    hello.mp3

hello.mp3

aws polly synthesize-speech^ // load text from a file

  --output-format mp3 ^

  --voice-id Brian^

  --text file://war1.txt ^

  war1.mp3

aws polly start-speech-synthesis-task ^ //save to S3

  --engine neural ^

  --region us-west-2 ^

  --endpoint-url "https://polly.us-eest-1.amazonaws.com/" ^

  --output-format mp3 ^

  --output-s3-bucket-name chris.hare ^

  --voice-id Joanna ^

  --text file://war1.txt

 With SSML (synthesis markup language), you add tags such as news, conversational, lexicon and add break, emphasis, etc.