Amazon Polly has four voice engines that convert input text into life-like speech. These include: Generative, Long-form, Neural, and Standard. To use an Amazon Polly voice, select an engine and a speech synthesis API operation. Then provide input text for the engine to synthesize, and select an audio output format. Given these inputs, Amazon Polly synthesizes the provided text into a high-quality speech audio stream.
The following sections include details about the voice engines offered by Amazon Polly.
