Audio PT Auto-Reply v2.0.1 - Premium Voice Interface

Complete voice interface with superior Brazilian Portuguese understanding and automatic setup.

🌟 Key Features

Superior PT-BR Understanding

• Model: wav2vec2-large-xlsr-53-portuguese (jonatasgrosman)
• Excellence in: Brazilian Portuguese with slang, expressions, accents
• Also supports: English (multilingual)
• Quality: State-of-the-art for PT-BR ASR

🤖 Optional Claude Integration

• Intelligent responses using Claude API
• Falls back to OpenClaw agent automatically
• Optional: No API key required, still works with OpenClaw agent
• Smart: Better understanding of context and Portuguese nuances

Neural Voice Options (Piper TTS)

Voice Commands

Change voice anytime with:

• /voz jeff - Voice: Jeff
• /voz cadu - Voice: Cadu
• /voz faber - Voice: Faber
• /voz miro - Voice: Miro (feminina)
• /voz feminina - Automatic: miro
• /voz masculina - Automatic: jeff
• /voz listar - Show all voices

⚡ Installation (NEW!)

One-Command Installation

bash install.sh

The installer automatically:

• ✅ Detects your system architecture (ARM64, x86_64)
• ✅ Downloads Piper TTS
• ✅ Downloads 4 Brazilian Portuguese voice models (~240MB)
• ✅ Installs Python dependencies
• ✅ Validates everything works

No manual downloads. No configuration. Just one command!

🔄 Critical Rules

DEFAULT: AUDIO ONLY - NO TEXT

When user sends audio:

• ❌ NO transcription shown
• ❌ NO "Pesquisando...", "Gerando..."
• ❌ NO confirmations or explanations
• ✅ ONLY audio reply

TEXT MODE: Say "texto" or "responda em texto" explicitly

📊 Workflow

🎤 Audio Received (PT-BR/EN)
    ↓
🔤 Transcribe (wav2vec2 PT-BR - silent)
    ↓
🤖 AI Response (Claude API or OpenClaw Agent - silent)
    ↓
🗣️ Synthesize (Piper neural - silent)
    ↓
📤 Send Audio Reply (silent)

📁 Scripts

Installation & Setup

• install.sh - Automatic installation (run once!)
• health_check.py - Validate the installation

Core Processing

• transcribe.py - wav2vec2 PT-BR speech recognition
• synthesize.py - Piper TTS with voice selection
• voice_config.py - Voice preference management
• process.sh - Full workflow orchestration

AI Integration

• claude_adapter.py - Claude API bridge (intelligent responses)

🔧 Configuration

Optional: Enable Claude Integration

For intelligent AI responses, set your API key:

export ANTHROPIC_API_KEY="sk-your-api-key"

Without this, the skill uses OpenClaw's agent (still great responses!).

Voice Configuration

Current voice is saved automatically in:

~/.openclaw/workspace/.audio_pt_voice_config

📊 Technical Details

ASR Model

• Name: jonatasgrosman/wav2vec2-large-xlsr-53-portuguese
• Training: Fine-tuned on PT-BR Common Voice + other datasets
• Strengths: Brazilian slang, regional expressions, informal speech
• License: Apache 2.0

TTS Engine

• Engine: Piper (fast, local neural TTS)
• Voices: 4 PT-BR options
• Speed: Real-time on ARM64/x64
• Format: Opus OGG (Telegram optimized)
• License: MIT

AI Response (Optional)

• Primary: Claude API (when API key provided)
• Fallback: OpenClaw Agent (always available)
• License: Claude API is proprietary; OpenClaw Agent is included

🚀 Getting Started

1. Install skill from ClaWHub
2. Run: bash install.sh
3. Restart: openclaw gateway restart
4. Use: Send audio messages, use /voz commands

📋 Requirements

• OpenClaw 2026.4.10+
• Python 3.8+
• 300MB free disk space (for voice models)
• Internet connection (for initial downloads)
• Optional: ANTHROPIC_API_KEY for Claude integration

🔒 Privacy & Security

• ✅ Audio transcription happens locally (wav2vec2 runs on your machine)
• ✅ Voice synthesis happens locally (Piper runs on your machine)
• ⚠️ AI responses:
• Without API key: Processed by OpenClaw Agent (check OpenClaw privacy)
• With API key: Sent to Anthropic (Claude respects prompt privacy per TOS)

📜 License

MIT - Free to use, modify, and redistribute

🙏 Credits

• ASR: jonatasgrosman/wav2vec2-large-xlsr-53-portuguese
• TTS: Piper by Rhasspy
• AI: Claude API by Anthropic (optional)
• Voices: Piper Voices repository + TarcisoAmorim community contribution