Amazon Polly

Overview

• Text-To-Speech (TTS) system
• Input
  • Plain text
  • Speech Synthesis Markup Language (SSMS)
• Available Voices
  • 15+ languages
• Output
  • MP3
  • Ogg
  • PCM (IoT or telephony)
• Use cases
  • TBD

Lexicon

• Pronunciation lexicon ("dictionary")
• Use cases
  • Stylized text ("h4ck3r")
  • Acronyms

Speech Mark

• Metadata - describe synthesized speech
  • Where word/sentence starts or ends
• Types
  • sentence
  • word
  • viseme
  • ssml ("<mark>")
• Use case
  • Lip-sync

Phoneme

• Basic acoustic unit from which word is formed

Viseme

• Represents position of a face
• Visual counterpart of a phoneme