OTO Navi - Sound Navigator is a learning-focused audio reader that turns books and study materials into easy, navigable listening. Ideal for students, busy readers, and language learners, it helps you absorb content hands-free and stay focused. Core features - Natural text-to-speech for ebooks, PDFs, and articles with adjustable speed and multiple voices - Smart navigation with chapters, bookmarks, and highlights for quick jumps and precise resume - Study-friendly tools including repeat segments, vocabulary support, and offline listening Why it’s different - Clear, natural voices for long-form listening - Efficient navigation designed for reading and learning - Versatile for audiobooks, study notes, and language practice with TTS reader and audiobook player keywords for better discovery
1. Download and open OTO Navi, then allow storage or library access if prompted. 2. Import content by adding ebooks or PDFs, pasting text, or using the share option from your browser or other apps. 3. Choose a voice and playback speed, then tap Play; use chapter or paragraph skip to move through the text. 4. Add bookmarks and highlights to mark key points; loop selected segments to review or practice pronunciation. 5. Organize items into playlists, enable offline downloads, and set a sleep timer for focused or hands-free study.