Synthesized Speech

Computer-generated speech produced by text-to-speech (TTS) engines that convert written text into spoken audio output. Synthesized speech is the primary means by which screen readers convey on-screen content to blind and visually impaired users. While modern TTS voices have improved significantly in naturalness, synthesized speech remains a linear medium that can struggle to convey spatial or structural information — such as mathematical notation, tables, or nested document structures — that sighted users perceive visually.