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    "abstract": "NHK has been researching a full-featured 8K UHDTV system with the high frame-rate of 120-Hz (8K/120-Hz) for future broadcasting. — We have developed 8K encoder and decoder boards that support a popular video codec widely used in non-linear editing (NLE). Installing these boards into our prototype 8K recorder realizes real-time 8K/120-Hz compression and decompression. The recorder can store 60 minutes of a compressed stream in a single removable memory with solid-state drives (SSDs). We constructed an 8K post-production system and performed an 8K/120-Hz editing experiment with recorded content. In the system, an NLE machine was connected to RAID devices through a high-speed interface appropriate for transferring a compressed 8K/120-Hz source. Common NLE software was used that works with 4K/60-Hz video reproduced from original 8K files by applying the resolution scalable decoding function of the codec, and edited scenes were finally rendered at 8K/120-Hz. With the 8K/120-Hz NLE system, approximately 350 minutes of footage were handled, and more than 100 minutes of content were mastered. — To perform an 8K full-frame preview at editing sites, we also developed a peripheral play-out module that incorporates a decoder for the recording codec and 8K/60-Hz output interface (quad-link 12G-SDI) in a single PCIe card. By driving two modules in parallel, we achieved real-time 8K/120-Hz play-out in a workstation. Furthermore, a compact removable memory with a non-volatile memory express (NVMe) interface for offering good connectivity with editing systems was prototyped. — These achievements can provide cost-efficient editing and play-out, which makes 8K/120-Hz post-production more convenient than ever before.",
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    "authors": [
      {
        "affiliation": "NHK Science & Technology Research Laboratories, 1-10-11 Kinuta, Setagaya, Tokyo 157-8510, Japan",
        "name": "Kodai Kikuchi"
      },
      {
        "affiliation": "NHK Science & Technology Research Laboratories, 1-10-11 Kinuta, Setagaya, Tokyo 157-8510, Japan",
        "name": "Takeshi Kajiyama"
      },
      {
        "affiliation": "NHK Science & Technology Research Laboratories, 1-10-11 Kinuta, Setagaya, Tokyo 157-8510, Japan",
        "name": "Eiichi Miyashita"
      }
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      "version": "smpte-idams-publication@v1"
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      "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2018/8609866/8609867/08610024.xml) via idamsIngest.js",
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      "updated": "2026-10-07T17:09:33.718Z",
      "version": "smpte-idams-publication@v1"
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    "copyright": {
      "holder": "Society of Motion Picture and Television Engineers, Inc.",
      "holder$meta": {
        "confidence": "high",
        "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2018/8609866/8609867/08610024.xml) via idamsIngest.js",
        "source": "parsed",
        "updated": "2026-10-07T17:09:33.718Z",
        "version": "smpte-idams-publication@v1"
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      "year": "2018",
      "year$meta": {
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        "version": "smpte-idams-publication@v1"
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      "updated": "2026-10-07T17:09:33.718Z",
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    "docId": "10.5594-M001825",
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      "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2018/8609866/8609867/08610024.xml) via idamsIngest.js",
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      "version": "smpte-idams-publication@v1"
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    "docLabel": "SMPTE Meetings and Conferences ( October 2018)",
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      "confidence": "high",
      "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2018/8609866/8609867/08610024.xml) via idamsIngest.js",
      "source": "parsed",
      "updated": "2026-10-07T17:09:33.718Z",
      "version": "smpte-idams-publication@v1"
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    "docTitle": "Development of Full-featured 8K Recorder",
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      "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2018/8609866/8609867/08610024.xml) via idamsIngest.js",
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      "version": "smpte-idams-publication@v1"
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    "docType": "Conference Paper",
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    "doi": "10.5594/M001825",
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    "isbn": {
      "print": "978-1-61482-960-7",
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        "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2018/8609866/8609867/08610024.xml) via idamsIngest.js",
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      "updated": "2026-10-07T17:09:33.718Z",
      "version": "smpte-idams-publication@v1"
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    "journalTitle": "SMPTE 2018 Annual Technical Conference & Exhibition",
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    "keywords": [
      "8K",
      "UHDTV",
      "120-Hz Frame Frequency",
      "Compression Recorder",
      "Post Production"
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    "keywords$meta": {
      "confidence": "high",
      "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2018/8609866/8609867/08610024.xml) via idamsIngest.js",
      "source": "parsed",
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    "number": "10",
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      "source": "parsed",
      "updated": "2026-10-07T17:09:33.718Z",
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    "pages": "1–14",
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      "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2018/8609866/8609867/08610024.xml) via idamsIngest.js",
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      "version": "smpte-idams-publication@v1"
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    "publicationDate": "2018-10-22",
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      "version": "smpte-idams-publication@v1"
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      "city": "White Plains, NY",
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        "confidence": "high",
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      "source": "parsed",
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      "bibliographic": [
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        "R-REC-BT.2020-2",
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        "SMPTE.ST2036-4.2015",
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        "note": "References parsed from the published PDF (Conference Repository/Conference Papers/2018/8609866/8609867/08610024.pdf). SMPTE's library delivery has no reference file or full text for this paper (src/main/reports/smpte-upstream/referenceFilesTruthTable.md). Cross-check: Crossref lists 13 reference(s) for this DOI; 13 parsed from the PDF.",
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