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Overview

The tts ROS node enables a robot to speak with a human voice by providing a Text-To-Speech service. Out of the box this package listens to a speech topic, submits text to the Amazon Polly cloud service to generate an audio stream file, retrieves the audio stream from Amazon Polly, and plays the audio stream via the default output device. The nodes can be configured to use different voices as well as custom lexicons and SSML tags which enable you to control aspects of speech, such as pronunciation, volume, pitch, speed rate, etc. A sample ROS application with this node, and more details on speech customization are available within the Amazon Polly documentation.

Amazon Polly Summary: Amazon Polly is a service that turns text into lifelike speech, allowing you to create applications that talk, and build entirely new categories of speech-enabled products. Amazon Polly is a Text-to-Speech service that uses advanced deep learning technologies to synthesize speech that sounds like a human voice. With dozens of lifelike voices across a variety of languages, you can select the ideal voice and build speech-enabled applications that work in many different countries.

Features in Active Development:

• Offline TTS

License

The source code is released under an Apache 2.0.

Supported ROS Distributions

• Kinetic
• Lunar
• Melodic