ttsproviders:polly [Voximal documentation]

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====== Amazon AWS / Polly TextToSpeech ======

===== About =====

** Polly from Amazon **

  *Website: __[[https://aws.amazon.com/polly]]__
  *Pricing: __[[https://aws.amazon.com/polly/pricing/]]__

===== Definition =====

Amazon Polly is a service that turns text into lifelike speech. Polly lets you create applications that talk, enabling you to build entirely new categories of speech-enabled products. Polly is an Amazon AI service that uses advanced deep learning technologies to synthesize speech that sounds like a human voice. Polly includes 47 lifelike voices spread across 24 languages, so you can select the ideal voice and build speech-enabled applications that work in many different countries.

===== Create AWS KeyID and Secret Key =====

From your AWS account you must create dedicated credentials 

===== AWS Client Installation =====
You must get AWS Client command line client installed from /usr/bin/aws :

On debian Jessie (8) you can try  this :

<code>
apt-get install python-pip python-yaml
pip install awscli --upgrade 
ln -s /usr/local/bin/aws /usr/bin/aws
</code>

Once aws-cli command is installed, you can check that it's working by using this command line, according to your credentials :
<code>
AWS_ACCESS_KEY_ID=XXXXXXXXXXXXXXXXXXXX \
AWS_SECRET_ACCESS_KEY=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx \
/usr/bin/aws  polly synthesize-speech    --output-format mp3    --voice-id Joanna    --text 'Hello my name is Joanna!' --region 'eu-west-1' hello.mp3
</code>
The result looks like :
<code>
{
    "ContentType": "audio/mpeg", 
    "RequestCharacters": "5"
}
# file hello.mp3 
hello.mp3: Audio file with ID3 version 2.4.0, contains: MPEG ADTS, layer III, v2,  48 kbps, 22.05 kHz, Monaural
</code>
===== Configuration =====