{
  "id": "AIBD-0573",
  "title": "Blind Metaverse",
  "summary": "Nara's patent specifies AI voice control for an accessible metaverse. The Blind Metaverse demo uses speech synthesis; deployment of the patented speech recognition is unverified.",
  "date_observed": "2025-06-01",
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  "account": "Nara is developing audio and tactile interfaces to help blind users navigate virtual spaces. A Nara patent describes deep-learning speech recognition that interprets spoken input from a Braille terminal and controls the computing device. Its connection to Blind Metaverse is inferred from the assignee, inventor, purpose, and interface design. The patent does not name the product. The public demo integrates Google Cloud speech synthesis, although the exact model behind its Korean Standard voice is unspecified. Nara reports exhibition use of the accessibility platform. The sources do not confirm deployment of the patented speech-recognition function or measure its effect on users.",
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  "purpose": "Use AI speech recognition to provide blind users with voice control of an accessible virtual environment.",
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  "developer": "Humanities Artificial Intelligence Research Center of Nara Knowledge Information Co.",
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  "location": "South Korea",
  "domain": "Accessibility",
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  "benefit_type": "Improved Accessibility",
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    "statement": "Nara’s patent specifies deep-learning speech recognition for user control. Its use in the Blind Metaverse demo and effect on users remain unverified. The demo also integrates Google Cloud speech synthesis, but the exact Korean Standard voice model is unverified."
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  "evidence": [
    {
      "kind": "other",
      "citation": "Nara Knowledge Information, patent KR102807935B1, May 16, 2025, paragraphs 0163–0168. Describes deep-learning speech recognition for a metaverse and Braille interface. The connection to Blind Metaverse is inferred from the assignee, inventor, purpose, and architecture. The patent does not name the product, demonstrate deployment, or evaluate outcomes.",
      "title": "Nara patent for converting a visual interface into an accessible tactile interface",
      "url": "https://patents.google.com/patent/KR102807935B1/en",
      "date": "2025-05-16",
      "written_by": "makers",
      "quote": null
    },
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      "kind": "report",
      "citation": "Nara project account in International Telecommunication Union, AI for Good: Innovate for Impact, 2025. Information current as of June 2025. Describes an accessibility demonstration and user feedback. Deployment and benefits of the patented speech-recognition function remain unverified.",
      "title": "Use Case 7: Blind Metaverse",
      "url": "https://www.itu.int/epublications/publication/ai-for-good-innovate-for-impact#_idParaDest-866",
      "date": null,
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    },
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      "kind": "other",
      "citation": "Blind_DemoApp_iOS, commit a757db268dde983d49d7ad9b135dfe67be318f73, Assets/blindScript/JoyStickTTS.cs. Integrates Google Cloud Text-to-Speech with ko-KR-Standard-A. The voice-model architecture, patented speech-recognition function, and user outcomes remain unverified.",
      "title": "Blind Metaverse demo speech-synthesis implementation",
      "url": "https://github.com/eorjs012/Blind_DemoApp_iOS/blob/a757db268dde983d49d7ad9b135dfe67be318f73/Assets/blindScript/JoyStickTTS.cs#L97",
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  "replication": {
    "produced_by": [
      "The patent proposes a deep-learning speech-recognition model that converts spoken input from a Braille terminal into control of the computing device supporting the metaverse interface."
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      "The proposed design requires speech recognition, compatible audio input and Braille interfaces, and integration with the virtual environment. Conditions sufficient to improve access remain unknown."
    ],
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  },
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  "headline": "Nara proposes AI voice control for an accessible metaverse",
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    {
      "date": "2026-10-22",
      "change": "Added the case.",
      "source": "https://patents.google.com/patent/KR102807935B1/en",
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