Meeting and interview recordings are converted to real-time speech-to-text using OBS and the system's built-in recording tools. Audio is uploaded in batches to generate transcripts, which can be freely edited and trimmed. XMind and MindMaster are used to create mind maps, allowing users to expand branches layer by layer after determining the central theme, fill in keywords, adjust color schemes and layouts, and export images and PDFs for archiving. Adobe and SmallPDF official tools are used to merge, split, annotate, and edit PDFs, extracting page images and text materials. All three types of tools use genuine, free basic versions to meet basic daily office and learning needs, without installing any third-party cracked programs.
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