AAVAAZ – AI Powered German Text-To-Speech Generator

High-quality, natural German speech synthesis — fully self-hosted and powered by AI.

AAVAAZ is a full-featured German Text-to-Speech generator built with ReactJS + Flask and powered by Piper TTS neural models. Deliver stunning, expressive, human-like German speech without external APIs or subscriptions.

Completely self-hosted, privacy-friendly, and optimized for creators, educators, developers, and automation.

✨ Key Features

✔ AI-Powered German TTS

Neural Piper models generate crystal-clear, realistic German speech.

✔ Multiple German Voices

Auto-discovery of voices, nested folders supported, male & female voices included.

✔ Emotion Control Engine

• Neutral
• Happy
• Sad
• Angry

✔ Advanced Audio Controls

• Speed: 0.5x–2.0x
• Volume: 0.1x–2.0x
• Sentence Pause: 0.5–2.0 sec
• Softness Filter: 0.0–1.0

✔ Multiple Output Formats

• WAV (studio quality)
• MP3 (128k–320k)
• FLAC (lossless)
• OGG (web optimized)

Perfect For

• Content Creators & YouTubers
• Podcasters & Voice Artists
• Language Learners
• Audiobook Production
• E-Learning Platforms
• Accessibility & Assistive Tools
• Developers & Integrators
• Automation Workflows

What’s Included

• ReactJS Frontend (full source)
• Flask Backend API
• Piper TTS Integration
• Audio processing system
• Voice auto-discovery system
• Complete documentation
• Production build support

⚙️ Technologies Used

• ReactJS 18
• Flask 2.3+
• Piper TTS
• FFmpeg
• NumPy & SciPy
• Librosa
• REST API (JSON)
• Custom responsive CSS

Quick Start

1. Install Python 3.8+ and Node.js 16+
2. Add .onnx voices into GERMAN_VOICES/
3. Start backend: python api.py
4. Start frontend: npm start
5. Generate beautiful German speech instantly

Bring Your Projects to Life with AAVAAZ

Create stunning, human-quality German voiceovers with full control & zero subscriptions.