What Is Duowei Shijie

Duowei Shijie is an all-in-one AI platform for analyzing audio and video. Its goal is to turn unstructured audio and video into structured, searchable and reusable knowledge assets. You can upload local media files or paste a link from a mainstream video platform, and the platform walks you through speech transcription, content overviews, visual analysis, interactive learning and content creation. It helps you grasp the core of a long video in seconds and reshape the results into notes, mind maps, flashcards, articles or podcasts.

Main Capabilities

• Smart transcription: Recognizes more than 100 languages and dialects with high accuracy, converts speech into timestamped text, and provides a polished, grammar-corrected, easy-to-read version.
• Content overview: Automatically splits a video into chapters with timestamps, titles and summaries, and distills the key ideas so you can "understand an hour in 30 seconds".
• Visual analysis: Detects and clusters faces, marks when each person appears, and uses OCR to extract titles, subtitles and other on-screen text.
• Interactive learning: Automatically generates knowledge flashcards and quiz questions to help you consolidate what you learn.
• Content creation: Turns source material into WeChat-style articles, Xiaohongshu notes, blog posts or AI podcasts in one click, ready for multi-channel distribution.
• Meeting notes: Separates speakers, extracts core topics, decisions and action items, and presents the meeting logic as a mind map.
• Multilingual translation: Translates transcripts into multiple target languages in one click to remove language barriers.
• Knowledge graph: Analyzes people, places and concepts to build a network of entities for knowledge management and information integration.
• Export and sharing: Exports results as SRT or DOCX, creates public share links, and can burn subtitles into the video to export an MP4.
• Custom templates: Lets you define your own analysis templates and prompts for personalized needs.

How to Use Duowei Shijie

1. Register and sign in: Visit https://dwsj.cn/, create an account and log in. New users get a free trial period.
2. Import content: Click "Upload file" to choose a local audio or video file, or paste a link from a mainstream platform.
3. Choose a template: Pick a scenario such as course learning, interviews, content creation, meeting notes or deep analysis, or use a custom template.
4. Run the analysis: Click "Start analysis". The platform processes the media and shows progress in real time.
5. Review results: Browse transcripts, chapter overviews, summaries, keywords, face and OCR results, flashcards, articles and meeting notes.
6. Export and share: Export as SRT or DOCX, create a public share link, or burn subtitles into the video.
7. Ask further questions: Use the AI chat feature to keep asking questions about the media.

Use Cases

• Course learning: Turn long lectures and online courses into structured notes, mind maps and study cards.
• Interviews: Pull key Q&A and personal stories from interviews and podcasts, and reconstruct the conversation logic.
• Content creation: Convert media into articles, Xiaohongshu notes, blog posts or AI podcasts to boost output and variety.
• Meeting notes: Quickly organize meeting recordings and produce structured minutes with topics, decisions and to-dos.
• Language learning: Use multilingual transcription and translation for cross-border meetings, podcasts and study.
• Knowledge management: Turn media into a knowledge graph that maps relationships between people, places and concepts.

Limitations and Notes

• Analysis quality depends on audio and video quality; heavy noise, strong accents or overlapping speakers can reduce transcription accuracy.
• Face recognition and OCR depend on image clarity and camera angle.
• Processing speed and maximum length per run depend on the platform configuration, so longer videos take more time.
• For the latest features, quotas and template list, refer to the official site.

FAQ

Q1: What is Duowei Shijie mainly for?

A: It is an AI audio and video analysis platform that turns media into text, chapter overviews, summaries, mind maps, knowledge graphs and flashcards, and further generates articles, podcasts and meeting notes for learning and creating.

Q2: Which content sources are supported?

A: You can upload local audio and video files, or paste a link from a mainstream video platform for analysis.

Q3: How many languages are supported for transcription and translation?

A: Smart transcription recognizes more than 100 languages and dialects, and transcripts can be translated into multiple target languages in one click.

Q4: Can the results be exported?

A: Yes. Results can be exported as SRT or DOCX, turned into a public share link, or exported as a video with burned-in subtitles.

Q5: Can new users try it for free?

A: New users get a free trial period after registering. See the official site for the exact quota.