Amazon Polly
- What it is
- Text to speech. Turns written text into lifelike spoken audio.
- Dozens of languages with standard, neural, long-form, and generative voices.
- Features
- SSML markup to control pronunciation, pauses, emphasis, and rate.
- Speech marks for lip-syncing and word-level highlighting.
- Lexicons to force pronunciation of acronyms and brand names.
- Output is streamable or storable as MP3/OGG/PCM — synthesize once, replay free.
- Use cases
- Accessibility (reading content aloud), audio articles, IVR prompts, e-learning narration, Amazon Connect and Amazon Lex voice responses.
- Not to be confused with
- Amazon Transcribe — the inverse: speech to text.