このアプリについて
ナレーション、オーディオドラマ、没入感のあるサウンドスケープを制作するためのAndroid用マルチトラック・オーディオワークステーションです。タイムライン上で、TTS（テキスト読み上げ）音声、効果音、BGMを組み合わせ、音声の速度、ピッチ、リバーブ、空間的な定位（パンニング）を細かく調整できます。端末内蔵TTSによる無料・オフライン音声に加え、Google Gemini AIによる表現豊かな音声や、演技指示を設定したオリジナルキャラクターにも対応。SRT字幕、音声のテキスト化（Speech-to-Text）、オートメーションタグ、WAV形式での高品質な書き出しも可能です。
About This App
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
• 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.
• 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.
• 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.
• 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.
• 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.
• 30+ Built-in SFX: Impacts, chimes, lasers, applause, plus custom audio file loading.
• Reverb Environments: Concert Hall, Living Room, Cave/Echo, and Vintage Radio.
• 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"].
• 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!
デモンストレーション
アプリの主要な機能や実際の操作感を動画でチェック。
Demonstration
Check out the core features and user experience of the app in action.
更新履歴
メモリ使用を見直し、長尺の音声エクスポートでの安定性を向上
感情表現や定位をSRTでエクスポートできるようにしました。
・マルチプロジェクト管理に対応 ・クリップボードからsrtやテキストをインポート可能に
Gemini 3.8 flash TTSで読み上げが可能になりました！！
読み上げ＋効果音＋BGMのマルチトラック編集アプリ。srt形式のインポート・エクスポートにも対応。
Update History
Memory usage has been optimized to improve stability during long audio exports.
We have enabled the export of emotional expressions and positioning via SRT.
・Supports multi-project management. ・Allows importing SRT or text from the clipboard.
Text-to-speech playback is now available with Gemini 3.8 Flash!
A multi-track editing app for voice synthesis, sound effects, and background music. It also supports importing and exporting in SRT format.
ユーザーレビュー・評価
The APK clearly reflects the tremendous effort, dedication, and creativity invested in its development. Every update shows how much hard work has gone into improving the user experience. Great work 👍 Thanks!🙏⭐⭐⭐⭐⭐ ➕
User Reviews & Ratings
The APK clearly reflects the tremendous effort, dedication, and creativity invested in its development. Every update shows how much hard work has gone into improving the user experience. Great work 👍 Thanks!🙏⭐⭐⭐⭐⭐ ➕
DS Soft のこだわり
既存のアプリでは手が届かないニッチな不便を、独自の技術と視点で解消します。不要な広告の削減や快適なインターフェース設計に真摯に取り組んでいます。
Our Commitment
We solve niche inconveniences that mainstream apps overlook with unique technology and perspective. We are truly committed to minimalist ads and comfortable user interface design.
今すぐ手に入れよう。
Get it now.