Skill: okaris/explainer-video-guide (version 0.1.5)

--- name: explainer-video-guide description: "Explainer video production guide: scripting, voiceover, visuals, and assembly. Covers script formulas, pacing rules, scene planning, and multi-tool pipelines. Use for: product demos, how-it-works videos, onboarding videos, social explainers. Triggers: explainer video, how to make explainer, product video, demo video, video production, video script, animated explainer, product demo video, tutorial video, onboarding video, walkthrough video, video pipeline" allowed-tools: Bash(infsh *) --- # Explainer Video Guide Create explainer videos from script to final cut via [inference.sh](https://inference.sh) CLI. ## Quick Start ```bash curl -fsSL https://cli.inference.sh | sh && infsh login # Generate a scene for an explainer infsh app run google/veo-3-1-fast --input '{ "prompt": "Clean motion graphics style animation, abstract data flowing between connected nodes, blue and white color scheme, professional corporate aesthetic, smooth transitions" }' ``` > **Install note:** The [install script](https://cli.inference.sh) only detects your OS/architecture, downloads the matching binary from `dist.inference.sh`, and verifies its SHA-256 checksum. No elevated permissions or background processes. [Manual install & verification](https://dist.inference.sh/cli/checksums.txt) available. ## Script Formulas ### Problem-Agitate-Solve (PAS) — 60 seconds | Section | Duration | Content | Word Count | |---------|----------|---------|------------| | **Problem** | 10s | State the pain point the viewer has | ~25 words | | **Agitate** | 10s | Show why it's worse than they think | ~25 words | | **Solution** | 15s | Introduce your product/idea | ~35 words | | **How It Works** | 20s | Show 3 key steps or features | ~50 words | | **CTA** | 5s | One clear next action | ~12 words | ### Before-After-Bridge (BAB) — 90 seconds | Section | Duration | Content | |---------|----------|---------| | **Before** | 15s | Show the current frustrating state | | **After** | 15s | Show the ideal outcome | | **Bridge** | 40s | Explain how your product gets them there | | **Social Proof** | 10s | Quick stat or testimonial | | **CTA** | 10s | Clear next step | ### Feature Spotlight — 30 seconds (social) | Section | Duration | Content | |---------|----------|---------| | **Hook** | 3s | Surprising fact or question | | **Feature** | 15s | Show one feature solving one problem | | **Result** | 7s | The outcome/benefit | | **CTA** | 5s | Try it / Learn more | ## Pacing Rules | Content Type | Words Per Minute | Notes | |-------------|-----------------|-------| | Standard narration | 150 wpm | Conversational pace | | Complex/technical | 120 wpm | Allow processing time | | Energetic/social | 170 wpm | Faster for short-form | | Children's content | 100 wpm | Clear and slow | **Key rule:** 1 scene per key message. Don't pack multiple ideas into one visual. ### Scene Duration Guidelines - Establishing shot: 3-5 seconds - Feature demonstration: 5-8 seconds - Text/stat on screen: 3-4 seconds (must be readable) - Transition: 0.5-1 second - CTA screen: 3-5 seconds ## Visual Production ### Scene Types ```bash # Product in context infsh app run google/veo-3-1-fast --input '{ "prompt": "Clean product demonstration video, hands typing on a laptop showing a dashboard interface, bright modern office, soft natural lighting, professional" }' # Abstract concept visualization infsh app run bytedance/seedance-1-5-pro --input '{ "prompt": "Abstract motion graphics, colorful data streams connecting floating geometric shapes, smooth fluid animation, dark background with glowing elements, tech aesthetic" }' # Lifestyle/outcome shot infsh app run google/veo-3-1-fast --input '{ "prompt": "Happy person relaxing on couch with laptop, smiling at screen, bright airy living room, warm afternoon light, satisfied customer feeling, lifestyle commercial style" }' # Before/after comparison infsh app run falai/flux-dev-lora --input '{ "prompt": "Split screen comparison, left side cluttered messy desk with papers and stress, right side clean organized minimalist workspace, dramatic difference, clean design" }' ``` ### Image-to-Video for Scenes ```bash # Generate a still frame first infsh app run falai/flux-dev-lora --input '{ "prompt": "Professional workspace with glowing holographic interface, futuristic but clean, blue accent lighting" }' # Animate it infsh app run falai/wan-2-5-i2v --input '{ "prompt": "Gentle camera push in, holographic elements subtly floating and rotating, soft ambient light shifts", "image": "path/to/workspace-still.png" }' ``` ## Voiceover Production ### Script Writing Tips - Short sentences. Max 15 words per sentence. - Active voice. "You can track your data" not "Your data can be tracked." - Conversational tone. Read it aloud — if it sounds stiff, rewrite. - One idea per sentence. One sentence per visual beat. ### Generating Voiceover ```bash # Professional narration with Dia TTS infsh app run falai/dia-tts --input '{ "prompt": "[S1] Tired of spending hours on reports that nobody reads? There is a better way. Meet DataFlow. It turns your raw data into visual stories... in seconds. Just connect your source, pick a template, and share. Try DataFlow free today." }' ``` ### Pacing Control in TTS | Technique | Effect | Example | |-----------|--------|---------| | Period `.` | Medium pause | "This changes everything. Here's how." | | Ellipsis `...` | Long pause (dramatic) | "And the result... was incredible." | | Comma `,` | Short pause | "Fast, simple, powerful." | | Exclamation `!` | Emphasis/energy | "Start building today!" | | Question `?` | Rising intonation | "What if there was a better way?" | ## Music & Audio ### Background Music Guidelines - **Volume:** 20-30% under narration (duck 6-12dB when voice plays) - **Style:** match the brand tone (corporate = ambient electronic, startup = upbeat indie) - **Structure:** intro swell (first 3s) -> subtle loop under narration -> swell at CTA - **No vocals:** instrumental only under narration ```bash # Generate background music infsh app run <music-gen-app> --input '{ "prompt": "upbeat corporate background music, modern electronic, 90 BPM, positive and professional, no vocals, suitable for product explainer video" }' ``` ## Assembly Pipeline ### Full Production Workflow ```bash # 1. Generate voiceover infsh app run falai/dia-tts --input '{ "prompt": "[S1] Your script here..." }' # 2. Generate scene visuals (in parallel) infsh app run google/veo-3-1-fast --input '{"prompt": "scene 1 description"}' --no-wait infsh app run google/veo-3-1-fast --input '{"prompt": "scene 2 description"}' --no-wait infsh app run google/veo-3-1-fast --input '{"prompt": "scene 3 description"}' --no-wait # 3. Merge scenes into sequence infsh app run infsh/media-merger --input '{ "media": ["scene1.mp4", "scene2.mp4", "scene3.mp4"] }' # 4. Add voiceover to video infsh app run infsh/video-audio-merger --input '{ "video": "merged-scenes.mp4", "audio": "voiceover.mp3" }' # 5. Add captions infsh app run infsh/caption-videos --input '{ "video": "final-with-audio.mp4", "caption_file": "captions.srt" }' ``` ## Video Length by Format | Format | Length | Platform | |--------|--------|----------| | Social teaser | 15-30s | TikTok, Instagram Reels, YouTube Shorts | | Product demo | 60-90s | Website, landing page | | Feature explainer | 90-120s | YouTube, email | | Tutorial/walkthrough | 2-5min | YouTube, help center | | Investor pitch video | 2-3min | Pitch deck supplement | ## Transition Types | Transition | When to Use | Effect | |------------|-------------|--------| | **Cut** | Default between related scenes | Clean, professional | | **Dissolve/Crossfade** | Time passing, mood shift | Soft, contemplative | | **Wipe** | New topic or section | Clear separation | | **Zoom/Push** | Drilling into detail | Focus attention | | **Match cut** | Visual similarity between scenes | Clever, memorable | ## Common Mistakes | Mistake | Problem | Fix | |---------|---------|-----| | Script too wordy | Voiceover rushed, viewer overwhelmed | Cut to 150 wpm max | | No hook in first 3s | Viewers leave immediately | Start with the problem or surprising stat | | Visuals lag narration | Confusing disconnect | Visuals should match or slightly precede words | | Background music too loud | Can't hear narration | Duck music 6-12dB under voice | | No captions | 85% of social video watched silent | Always add captions | | Too many ideas | Viewer retains nothing | One core message per video | ## Related Skills ```bash npx skills add inference-sh/skills@ai-video-generation npx skills add inference-sh/skills@video-prompting-guide npx skills add inference-sh/skills@text-to-speech npx skills add inference-sh/skills@prompt-engineering ``` Browse all apps: `infsh app list`


Security scan verdicts — ClawScan: clean | static analysis: clean | VirusTotal: suspicious | SkillSpector: clean (LOW)