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OpenClaw Media Processing: Images, Video, Audio, and Voice

LearnClub AI
February 28, 2026
4 min read

OpenClaw Media Processing: Images, Video, Audio, and Voice

OpenClaw extends beyond text into multimedia. Generate AI images, transcribe audio, process video, and create voice applications—all automated through skills.

Image Generation Skills

1. image-generator

Create AI images:

# Generate image from prompt
openclaw skill run image-generator \
  --prompt "Modern tech office with AI theme, blue gradient" \
  --style "minimalist" \
  --size "1024x1024" \
  --output "hero-image.png"

# Batch generation
openclaw skill run image-generator \
  --prompts "prompts.txt" \
  --variations 3 \
  --output-dir "./images/"

2. openai-image-gen

Using DALL-E:

openclaw skill run openai-image-gen \
  --prompt "Futuristic city skyline, cyberpunk style" \
  --quality "hd" \
  --style "vivid"

Audio Processing Skills

3. openai-whisper

Transcribe audio:

# Transcribe file
openclaw skill run openai-whisper \
  --file "meeting.mp3" \
  --language "en" \
  --output "transcript.txt"

# Real-time transcription
openclaw skill run openai-whisper \
  --stream \
  --microphone

4. openai-whisper-api

API-based transcription:

openclaw skill run openai-whisper-api \
  --url "https://example.com/audio.mp3" \
  --translate \
  --output-format "srt"

5. sag (Text-to-Speech)

Generate voice:

# Convert text to speech
openclaw skill run sag \
  --text "Hello from OpenClaw" \
  --voice "nova" \
  --output "greeting.mp3"

# Long-form narration
openclaw skill run sag \
  --file "article.txt" \
  --voice "onyx" \
  --chunk-size 4000

6. sherpa-onnx-tts

Local TTS:

openclaw skill run sherpa-onnx-tts \
  --text "This runs locally on your machine" \
  --model "en-US" \
  --speed 1.2

Video Processing

7. video-frames

Extract frames:

# Extract key frames
openclaw skill run video-frames \
  --video "presentation.mp4" \
  --rate "1fps" \
  --output "frames/"

# Generate thumbnail
openclaw skill run video-frames \
  --video "video.mp4" \
  --frame "00:01:30" \
  --output "thumbnail.jpg"

Media Workflows

Podcast Production

# podcast-production.yaml
name: "Podcast Episode Creation"

steps:
  - name: record-intro
    skill: sag
    action: generate
    params:
      script: "Welcome to the AI Podcast..."
      voice: "nova"
      
  - name: transcribe-interview
    skill: openai-whisper
    action: transcribe
    params:
      audio: "interview.mp3"
      speakers: 2
      
  - name: generate-show-notes
    skill: summarize
    action: extract-key-points
    params:
      transcript: "{{transcribe-interview.output}}"
      
  - name: create-cover-art
    skill: image-generator
    action: create
    params:
      prompt: "Podcast cover, AI theme, episode 42"

Video Content Pipeline

# video-pipeline.yaml
name: "YouTube Video Production"

steps:
  - name: generate-thumbnail
    skill: image-generator
    params:
      prompt: "{{video.title}}, eye-catching thumbnail"
      size: "1280x720"
      
  - name: extract-clips
    skill: video-frames
    params:
      video: "{{video.file}}"
      extract_highlights: true
      
  - name: generate-description
    skill: summarize
    params:
      transcript: "{{video.transcript}}"
      format: "youtube-description"
      
  - name: create-chapters
    skill: openai-whisper
    action: detect-chapters
    params:
      audio: "{{video.audio}}"

Voice Applications

7. voice-call

Make voice calls:

# Place call
openclaw skill run voice-call \
  --to "+1234567890" \
  --message "This is an automated reminder..."

# Interactive call
openclaw skill run voice-call \
  --to "+1234567890" \
  --script "appointment-confirmation.yaml"

Media Management

Organizing Assets

# media-organization.yaml
name: "Asset Organization"

steps:
  - name: scan-folder
    skill: file-manager
    action: scan
    params:
      path: "./media"
      types: ["jpg", "png", "mp4", "mp3"]
      
  - name: tag-content
    skill: image-generator
    action: analyze
    params:
      images: "{{scan-folder.images}}"
      generate-tags: true
      
  - name: organize-by-date
    skill: file-manager
    action: organize
    params:
      files: "{{scan-folder.all}}"
      structure: "YYYY/MM"

Best Practices

1. Optimize Costs

  • Use local models when possible
  • Cache generated media
  • Batch process when applicable

2. Quality Control

  • Review AI-generated content
  • Maintain brand consistency
  • Use appropriate licenses

3. File Management

  • Organize by project
  • Version control assets
  • Automate cleanup

For Content Creators

  • image-generator - Featured images
  • sag - Voiceovers
  • video-frames - Thumbnails

For Podcasters

  • openai-whisper - Transcription
  • sag - Intro/outro
  • summarize - Show notes

For Video Production

  • video-frames - Clip extraction
  • image-generator - Thumbnails
  • openai-whisper - Subtitles

Create media at scale with OpenClaw. More tutorials available.

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