Install the belt CLI skill:
npx skills add belt-sh/cli
AI Podcast Creation
Create AI-powered podcasts and audio content via inference.sh CLI.
Quick Start
Requires inference.sh CLI (
belt). Install instructions
belt login
# Generate podcast segment
belt app run infsh/kokoro-tts --input '{
"prompt": "Welcome to the AI Frontiers podcast. Today we explore the latest developments in generative AI.",
"voice": "am_michael"
}'
Available Voices
Kokoro TTS
| Voice ID | Description | Best For |
|---|---|---|
af_sarah | American female, warm | Host, narrator |
af_nicole | American female, professional | News, business |
am_michael | American male, authoritative | Documentary, tech |
am_adam | American male, conversational | Casual podcast |
bf_emma | British female, refined | Audiobooks |
bm_george | British male, classic | Formal content |
DIA TTS (Conversational)
| Voice ID | Description | Best For |
|---|---|---|
dia-conversational | Natural conversation | Dialogue, interviews |
Chatterbox
| Voice ID | Description | Best For |
|---|---|---|
chatterbox-default | Expressive | Casual, entertainment |
Podcast Workflows
Simple Narration
# Single voice podcast segment
belt app run infsh/kokoro-tts --input '{
"prompt": "Your podcast script here. Make it conversational and engaging. Add natural pauses with punctuation.",
"voice": "am_michael"
}'
Multi-Voice Conversation
# Host introduction
belt app run infsh/kokoro-tts --input '{
"prompt": "Welcome back to Tech Talk. Today I have a special guest to discuss AI developments.",
"voice": "am_michael"
}' > host_intro.json
# Guest response
belt app run infsh/kokoro-tts --input '{
"prompt": "Thanks for having me. I am excited to share what we have been working on.",
"voice": "af_sarah"
}' > guest_response.json
# Merge into conversation
belt app run infsh/media-merger --input '{
"audio_files": ["<host-url>", "<guest-url>"],
"crossfade_ms": 500
}'
Full Episode Pipeline
# 1. Generate script with Claude
belt app run openrouter/claude-sonnet-45 --input '{
"prompt": "Write a 5-minute podcast script about the impact of AI on creative work. Format as a two-person dialogue between HOST and GUEST. Include natural conversation, questions, and insights."
}' > script.json
# 2. Generate intro music
belt app run infsh/ai-music --input '{
"prompt": "Podcast intro music, upbeat, modern, tech feel, 15 seconds"
}' > intro_music.json
# 3. Generate host segments
belt app run infsh/kokoro-tts --input '{
"prompt": "<host-lines>",
"voice": "am_michael"
}' > host.json
# 4. Generate guest segments
belt app run infsh/kokoro-tts --input '{
"prompt": "<guest-lines>",
"voice": "af_sarah"
}' > guest.json
# 5. Generate outro music
belt app run infsh/ai-music --input '{
"prompt": "Podcast outro music, matching intro style, fade out, 10 seconds"
}' > outro_music.json
# 6. Merge everything
belt app run infsh/media-merger --input '{
"audio_files": [
"<intro-music>",
"<host>",
"<guest>",
"<outro-music>"
],
"crossfade_ms": 1000
}'
NotebookLM-Style Content
Generate podcast-style discussions from documents.
# 1. Extract key points
belt app run openrouter/claude-sonnet-45 --input '{
"prompt": "Read this document and create a podcast script where two hosts discuss the key points in an engaging, conversational way. Include questions, insights, and natural dialogue.\n\nDocument:\n<your-document-content>"
}' > discussion_script.json
# 2. Generate Host A
belt app run infsh/kokoro-tts --input '{
"prompt": "<host-a-lines>",
"voice": "am_michael"
}' > host_a.json
# 3. Generate Host B
belt app run infsh/kokoro-tts --input '{
"prompt": "<host-b-lines>",
"voice": "af_sarah"
}' > host_b.json
# 4. Interleave and merge
belt app run infsh/media-merger --input '{
"audio_files": ["<host-a-1>", "<host-b-1>", "<host-a-2>", "<host-b-2>"],
"crossfade_ms": 300
}'
Audiobook Chapter
# Long-form narration
belt app run infsh/kokoro-tts --input '{
"prompt": "Chapter One. It was a dark and stormy night when the first AI achieved consciousness...",
"voice": "bf_emma",
"speed": 0.9
}'
Audio Enhancement
Add Background Music
# 1. Generate podcast audio
belt app run infsh/kokoro-tts --input '{
"prompt": "<podcast-script>",
"voice": "am_michael"
}' > podcast.json
# 2. Generate ambient music
belt app run infsh/ai-music --input '{
"prompt": "Soft ambient background music for podcast, subtle, non-distracting, loopable"
}' > background.json
# 3. Mix with lower background volume
belt app run infsh/media-merger --input '{
"audio_files": ["<podcast-url>"],
"background_audio": "<background-url>",
"background_volume": 0.15
}'
Add Sound Effects
# Transition sounds between segments
belt app run infsh/ai-music --input '{
"prompt": "Short podcast transition sound, whoosh, 2 seconds"
}' > transition.json
Script Writing Tips
Prompt for Claude
belt app run openrouter/claude-sonnet-45 --input '{
"prompt": "Write a podcast script with these requirements:
- Topic: [YOUR TOPIC]
- Duration: 5 minutes (about 750 words)
- Format: Two hosts (HOST_A and HOST_B)
- Tone: Conversational, informative, engaging
- Include: Hook intro, 3 main points, call to action
- Mark speaker changes clearly
Make it sound natural, not scripted. Add verbal fillers like \"you know\" and \"I mean\" occasionally."
}'
Podcast Templates
Interview Format
HOST: Introduction and welcome
GUEST: Thank you, happy to be here
HOST: First question about background
GUEST: Response with story
HOST: Follow-up question
GUEST: Deeper insight
... continue pattern ...
HOST: Closing question
GUEST: Final thoughts
HOST: Thank you and outro
Solo Episode
Introduction with hook
Topic overview
Point 1 with examples
Point 2 with examples
Point 3 with examples
Summary and takeaways
Call to action
Outro
News Roundup
Intro music
Welcome and date
Story 1: headline + details
Story 2: headline + details
Story 3: headline + details
Analysis/opinion segment
Outro
Best Practices
- Natural punctuation - Use commas and periods for pacing
- Short sentences - Easier to speak and listen
- Varied voices - Different speakers prevent monotony
- Background music - Subtle, at 10-15% volume
- Crossfades - Smooth transitions between segments
- Edit scripts - Remove filler before generating
Related Skills
# Text-to-speech models
npx skills add inference-sh/skills@text-to-speech
# AI music generation
npx skills add inference-sh/skills@ai-music-generation
# LLM for scripts
npx skills add inference-sh/skills@llm-models
# Content pipelines
npx skills add inference-sh/skills@ai-content-pipeline
# Full platform skill
npx skills add inference-sh/skills@infsh-cli
Browse all apps: belt app list --category audio