Duowei Shijie

An AI analysis platform for long audio and video. Just paste the link to get online transcription and summary extraction. It supports real-time subtitle translation and flashcard quiz generation for 100 languages, and can also generate secondary creation copy for official accounts and Xiaohongshu with one click.

AI Music Tools#Audio-Video Transcription#Content Re-creation#Learning Tools

Updated: 2026-10-26

What is Duowei Shijie?

Dual Vision addresses the problem of "content that's too long to finish": it condenses a two-hour video (or audio) into a five-minute readable summary, with its official slogan being "2-hour video, 5-minute understanding." It supports directly pasting links from major audio and video platforms such as Bilibili, Douyin, Xiaohongshu, and Xiaozhouzi for online analysis—there's no need to download the files first. Just paste one link, and you can get a transcript, summary, and finished copy. It makes "understanding" go beyond mere transcription and summarization, focusing more on discovering value and creating value.

Who is it for?

Full-time content creators and new media operators can convert live stream and podcast materials into official WeChat Official Account and Xiaohongshu copy with one click; international students and students who need to tackle online courses can use flashcards and quizzes to improve review efficiency; office workers who need to process meeting recordings and foreign language videos can all save the time of "listening once and taking notes once" with it. Instructors engaged in knowledge payment can use it to split long courses into distributable content materials; bloggers operating personal IP can turn one live stream into multi-platform content with secondary creation templates and reuse one set of content across multiple platforms.

Key features

Long-Content Speed Reading

The AI automatically extracts the essence and skips irrelevant segments. As the official slogan goes, "For a 2-hour online course, the AI helps you get the key points in 5 minutes." It quickly captures the core content of online courses, podcasts, and meeting recordings, so you no longer waste your attention on padded paragraphs.

Multilingual Translation

Covers more than 100 global languages, providing real-time subtitles and translation. When watching foreign language news or documentaries, you can convert them to Chinese with one click, eliminating barriers to cross-lingual content and making global content easy to access.

Interactive Learning

Automatically generate knowledge flashcards and in-class quiz questions, turning "forgetting after watching" into "learning while watching"; according to user feedback, international students use online course recordings for review, and AI automatically creates Q&A cards and test questions based on core knowledge points, which is faster than highlighting key points manually.

Content Secondary Creation

After recording a live stream or podcast, you can directly use templates to produce finished copy such as official WeChat Official Account articles and Xiaohongshu notes, supporting layout with emojis and Hashtags. Its official positioning is a "24/7 AI copywriter". User tests show that a 10-minute Bilibili video can be converted into a Xiaohongshu note in 3 minutes.

Visual Analysis

In addition to text transcription, it also provides visual content analysis capabilities, which is equally applicable to demonstration videos and videos with a lot of picture information, and both text and picture information can be utilized.

Privacy Protection

It is claimed by the official that end-to-end encryption, anonymization processing and a local-first strategy are adopted. The video content, analysis records and personal data only belong to the user themselves, and privacy protection is placed in an important position.

How to use Duowei Shijie

Start from the "Paste Link" step for the fastest results.
First, use a long video to verify the quality of the summary before deciding whether to dive deeper.
For review scenarios, it is recommended to upload the entire course audio, let it generate flashcards, and then take self-tests based on the quiz questions.
for creation scenarios, you can first apply the templates of Xiaohongshu or official WeChat accounts, and then modify the tone and details on the completed draft, which will bring the most obvious efficiency improvement.
For team collaboration, you can unify the export formats of summaries and copy, so that members can sort out materials in the same way, making subsequent collection and reprocessing much easier.

Things to know

The platform provides a free trial quota; longer durations and more templates require unlocking with a paid subscription, and the specific tiers are subject to the official website's pricing page.

The quality of transcription and summary is affected by the audio quality, accents, and simultaneous speech of multiple people in the original video. It is recommended to review the key content against the original video.

The second-creation copy is generated by AI. Before publishing content involving facts, data or brand expressions, manual verification is required, and attention should be paid to the copyright of the materials.

The privacy policy is based on official statements, and for sensitive content, it is still recommended that you carefully consider the scope of uploads.