A developer needs a fully managed service that can transform text documents into lifelike speech audio, supporting several languages, so the audio can be streamed to users or saved for offline playback. Which AWS service should they use?
Amazon Transcribe
Amazon Translate
Amazon Lex
Amazon Polly
Amazon Polly is AWS's text-to-speech service. It converts written content into natural-sounding speech in multiple languages and offers both real-time streaming and the ability to store the generated audio files. Amazon Transcribe performs the reverse operation (speech-to-text), Amazon Translate converts text between languages, and Amazon Lex builds conversational chatbots. Therefore, only Amazon Polly meets the stated requirement.
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