Narration Studio - Audio & TTS

Narration Studio is a multi-track audio workstation to produce professional voiceovers, narrations, podcasts, and audio dramas on Android—no microphone required! Whether you need quick, 100% free offline speech using your device's built-in TTS or cinematic voice acting powered by Google Gemini AI, Narration Studio gives you full acoustic control on an intuitive timeline. 🌟 KEY FEATURES 1. COMPLETE OFFLINE TTS (100% FREE & UNLIMITED) • Built-in Device Speech: Use your device's installed Text-to-Speech engines (Google Speech Services, Samsung TTS, etc.) instantly. • Multilingual: Access installed system voices across dozens of languages without internet or API keys. • Full Studio Features: 2D spatial audio, BGM auto-ducking, sound effects, and master export all work with offline voices. 2. NEXT-GEN AI VOICE ACTING: GEMINI 3.8 FLASH TTS • Expressive AI Speech: Nuanced, human-like voiceovers powered by Google Gemini 3.8 Flash. • 12 Built-in AI Personalities: Diverse profiles (Puck, Charon, Kore, Fenrir, Aoede, Leda, etc.) spanning narrative to energetic tones. • Vocal Acting Directives & Tags: Express whispers, laughter, sighs, gasps, cries, shouts, and moods (happy, sad, angry, surprised, excited). • Bring Your Own Key (BYOK): - 1-Tap In-App Setup: Connect your Google AI Studio API key in seconds. - Free Tier Compatible: Generate within Google's available free tier (*Subject to Google's terms and availability). - Your Key Stays on Your Device: Stored locally and sent directly to Google's official Gemini API—never through our servers. • Smart Local Cache: Cached audio eliminates redundant API calls when adjusting the timeline, volume, or pan. 3. AI CAST & CHARACTER MANAGEMENT • Reusable Personas: Save character profiles combining voice, acting directives, and emoji avatars. • Timeline & Spatial Pad Avatars: Visual emoji pins show who is speaking across the timeline and 2D stage. • Quick Casting: Assign characters to any timeline clip with one tap for multi-speaker dramas. • Instant Auditions: Preview character styles instantly using cached audio—no new API generation required. 4. 2D SPATIAL AUDIO STAGE (XY PAD) • Visual Sound Stage: Position narration clips on an intuitive 2D grid with clear character pins. • Smooth Stereo Pan: Left-to-right acoustic panning (-1.0 to +1.0). • Acoustic Depth: Visual pulses indicate reverberation and spatial distance. 5. BGM MIXING & SMART AUDIO DUCKING • Custom Music Import: Load BGM tracks in MP3, WAV, AAC, M4A, or FLAC. • Smart Auto-Ducking: Music volume dips automatically whenever speech plays. • Mute BGM during SFX: Optional instant BGM cut during key sound effects for punchy impact. • Smooth Fade-Out: Built-in tail fade prevents abrupt track endings. 6. SOUND EFFECTS & REVERB PRESETS • 30+ Built-in SFX: Impacts, chimes, lasers, applause, plus custom audio file loading. • Reverb Environments: Concert Hall, Living Room, Cave/Echo, and Vintage Radio. 7. SMART TEXT IMPORTER & SRT SYNC • Smart Text Importer: Paste long scripts to auto-split by sentence or line break with custom pause intervals. • SRT Subtitle Sync: Import .srt files to generate timed narration clips automatically. • Script Automation Tags: Control speech within subtitles using [v "Voice"], [engine gemini], [char "Name"], [act "Directive"], [mutebgm], [s 1.2], [p 1.0], [g 0.9], [l -0.5], [se "name"]. 8. STUDIO MASTER EXPORT • 44.1kHz, 16-bit uncompressed WAV master export. • Synchronized .srt subtitle export ready for Premiere Pro, DaVinci Resolve, and CapCut. 🎯 PERFECT FOR • Video Creators (YouTube, TikTok, Reels, Shorts) • Multi-character voice dramas and audio plays • Tutorials, explainers, and corporate presentations • Audiobooks, guided meditations, and podcasts Turn written words into living, cinematic soundscapes with Narration Studio!