ai-voice-cloning

# AI Voice Generation Generate natural AI voices via [inference.sh](https://inference.sh) CLI.  ## Quick Start > Requires inference.sh CLI (`belt`). [Install instructions](https://raw.githubusercontent.com/inference-sh/skills/refs/heads/main/cli-install.md) ```bash belt login # Generate speech belt app run infsh/kokoro-tts --input '{ "prompt": "Hello! This is an AI-generated voice that sounds natural and engaging.", "voice": "af_sarah" }' ``` ## Available Models | Model | App ID | Best For | |-------|--------|----------| | ElevenLabs TTS | `elevenlabs/tts` | Premium quality, 22+ voices, 32 languages | | ElevenLabs Voice Changer | `elevenlabs/voice-changer` | Transform existing voice recordings | | Kokoro TTS | `infsh/kokoro-tts` | Natural, multiple voices | | DIA | `infsh/dia-tts` | Conversational, expressive | | Chatterbox | `infsh/chatterbox` | Casual, entertainment | | Higgs | `infsh/higgs-tts` | Professional narration | | VibeVoice | `infsh/vibevoice` | Emotional range | ## Kokoro Voice Library ### American English | Voice ID | Gender | Style | |----------|--------|-------| | `af_sarah` | Female | Warm, friendly | | `af_nicole` | Female | Professional | | `af_sky` | Female | Youthful | | `am_michael` | Male | Authoritative | | `am_adam` | Male | Conversational | | `am_echo` | Male | Clear, neutral | ### British English | Voice ID | Gender | Style | |----------|--------|-------| | `bf_emma` | Female | Refined | | `bf_isabella` | Female | Warm | | `bm_george` | Male | Classic | | `bm_lewis` | Male | Modern | ## Voice Generation Examples ### Professional Narration ```bash belt app run infsh/kokoro-tts --input '{ "prompt": "Welcome to our quarterly earnings call. Today we will discuss the financial performance and strategic initiatives for the past quarter.", "voice": "am_michael", "speed": 1.0 }' ``` ### Conversational Style ```bash belt app run infsh/dia-tts --input '{ "text": "Hey, so I was thinking about that project we discussed. What if we tried a different approach?", "voice": "conversational" }' ``` ### Audiobook Narration ```bash belt app run infsh/kokoro-tts --input '{ "prompt": "Chapter One. The morning mist hung low over the valley as Sarah made her way down the winding path. She had been walking for hours.", "voice": "bf_emma", "speed": 0.9 }' ``` ### Video Voiceover ```bash belt app run infsh/kokoro-tts --input '{ "prompt": "Introducing the next generation of productivity. Work smarter, not harder.", "voice": "af_nicole", "speed": 1.1 }' ``` ### Podcast Host ```bash belt app run infsh/kokoro-tts --input '{ "prompt": "Welcome back to Tech Talk! Im your host, and today we are diving deep into the world of artificial intelligence.", "voice": "am_adam" }' ``` ## Multi-Voice Conversation ```bash # Generate dialogue between two speakers # Speaker 1 belt app run infsh/kokoro-tts --input '{ "prompt": "Have you seen the latest AI developments? Its incredible how fast things are moving.", "voice": "am_michael" }' > speaker1.json # Speaker 2 belt app run infsh/kokoro-tts --input '{ "prompt": "I know, right? Just last week I tried that new image generator and was blown away.", "voice": "af_sarah" }' > speaker2.json # Merge conversation belt app run infsh/media-merger --input '{ "audio_files": ["<speaker1-url>", "<speaker2-url>"], "crossfade_ms": 300 }' ``` ## Long-Form Content ### Chunked Processing For content over 5000 characters, split into chunks: ```bash # Process long text in chunks TEXT="Your very long text here..." # Split and generate # Chunk 1 belt app run infsh/kokoro-tts --input '{ "prompt": "<chunk-1>", "voice": "bf_emma" }' > chunk1.json # Chunk 2 belt app run infsh/kokoro-tts --input '{ "prompt": "<chunk-2>", "voice": "bf_emma" }' > chunk2.json # Merge chunks belt app run infsh/media-merger --input '{ "audio_files": ["<chunk1-url>", "<chunk2-url>"], "crossfade_ms": 100 }' ``` ## Voice + Video Workflow ### Add Voiceover to Video ```bash # 1. Generate voiceover belt app run infsh/kokoro-tts --input '{ "prompt": "This stunning footage shows the beauty of nature in its purest form.", "voice": "am_michael" }' > voiceover.json # 2. Merge with video belt app run infsh/media-merger --input '{ "video_url": "https://your-video.mp4", "audio_url": "<voiceover-url>" }' ``` ### Create Talking Head ```bash # 1. Generate speech belt app run infsh/kokoro-tts --input '{ "prompt": "Hi, Im excited to share some updates with you today.", "voice": "af_sarah" }' > speech.json # 2. Animate with avatar belt app run bytedance/omnihuman-1-5 --input '{ "image_url": "https://portrait.jpg", "audio_url": "<speech-url>" }' ``` ## Speed and Pacing | Speed | Effect | Use For | |-------|--------|---------| | 0.8 | Slow, deliberate | Audiobooks, meditation | | 0.9 | Slightly slow | Education, tutorials | | 1.0 | Normal | General purpose | | 1.1 | Slightly fast | Commercials, energy | | 1.2 | Fast | Quick announcements | ```bash # Slow narration belt app run infsh/kokoro-tts --input '{ "prompt": "Take a deep breath. Let yourself relax.", "voice": "bf_emma", "speed": 0.8 }' ``` ## Punctuation for Pacing Use punctuation to control speech rhythm: | Punctuation | Effect | |-------------|--------| | Period `.` | Full pause | | Comma `,` | Brief pause | | `...` | Extended pause | | `!` | Emphasis | | `?` | Question intonation | | `-` | Quick break | ```bash belt app run infsh/kokoro-tts --input '{ "prompt": "Wait... Did you hear that? Something is coming. Something big!", "voice": "am_adam" }' ``` ## Best Practices 1. **Match voice to content** - Professional voice for business, casual for social 2. **Use punctuation** - Control pacing with periods and commas 3. **Keep sentences short** - Easier to generate and sounds more natural 4. **Test different voices** - Same text sounds different across voices 5. **Adjust speed** - Slightly slower often sounds more natural 6. **Break long content** - Process in chunks for consistency ## Use Cases - **Voiceovers** - Video narration, commercials - **Audiobooks** - Full book narration - **Podcasts** - AI hosts and guests - **E-learning** - Course narration - **Accessibility** - Screen reader content - **IVR** - Phone system messages - **Content localization** - Translate and voice ## Related Skills ```bash # ElevenLabs TTS (premium, 22+ voices) npx skills add inference-sh/skills@elevenlabs-tts # ElevenLabs voice changer (transform recordings) npx skills add inference-sh/skills@elevenlabs-voice-changer # All TTS models npx skills add inference-sh/skills@text-to-speech # Podcast creation npx skills add inference-sh/skills@ai-podcast-creation # AI avatars npx skills add inference-sh/skills@ai-avatar-video # Video generation npx skills add inference-sh/skills@ai-video-generation # Full platform skill npx skills add inference-sh/skills@infsh-cli ``` Browse audio apps: `belt app list --category audio`