Text to spech

Text to spech feature uses AWS Transcribe. It requires the following env variables and IAM permissions.

AWS_REGION

AWS_REGION=[region]

AWS_ACCESS_KEY

AWS_ACCESS_KEY=[AWS ACCESS KEY ID]

AWS_SECRET_ACCESS_KEY

AWS_SECRET_ACCESS_KEY=[AWS SECRET KEY]

IAM permission

IAM user of the above keys should have the following permission

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "polly:*"
            ],
            "Resource": [
                "*"
            ]
        }
    ]
}