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  "document": {
    "abstract": "The adoption of UHD 4K and HDR formats by streaming video content providers introduced tremendous challenges for network infrastructure, as the delivery of large files created network congestions, impacting end user experience. The rise of Adaptive Bitrate (ABR) Streaming Protocols was supposed to provide a solution to the viewing experience degradation, by varying video bitrates and subsequent quality of viewing in accordance to the available bandwidth. Today, OTT providers are stuck in a user experience paradox; whereby ABR is actually impairing the user experience, due to lower quality it sometimes provides the consumer in order to mitigate video re-buffering issues, as well as Quality-of-Service issues, in the form of constant bitrate switches that are much more visible to the human eye with UHD 4K content, and in particular with HDR. This paper, supported by expansive field testing, examines the impact of ABR protocols implementation on user experience in the new era of UHD 4K and HDR, discusses its challenges and further recommendations for delivery of greater viewing experience within the current network infrastructure.",
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    "authors": [
      {
        "affiliation": "Giraffic Technologies",
        "name": "Rotem Epelbaum"
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      {
        "affiliation": "Giraffic Technologies",
        "name": "Ravid Hadar"
      }
    ],
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      "holder": "Society of Motion Picture and Television Engineers, Inc.",
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        "source": "parsed",
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        "version": "smpte-idams-publication@v1"
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      "year": "2016",
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      "version": "smpte-idams-publication@v1"
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    "docId": "10.5594-M001693",
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      "confidence": "high",
      "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2016/7819436/7819437/07819595.xml) via idamsIngest.js",
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      "version": "smpte-idams-publication@v1"
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    "docLabel": "SMPTE Meetings and Conferences ( October 2016)",
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      "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2016/7819436/7819437/07819595.xml) via idamsIngest.js",
      "source": "parsed",
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      "version": "smpte-idams-publication@v1"
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    "docTitle": "Challenges of Delivering Superb Viewing Experience while Streaming UHD 4K and HDR Content in the Adaptive Bitrate (ABR) Era",
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      "confidence": "high",
      "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2016/7819436/7819437/07819595.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/M001693",
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      "version": "smpte-idams-publication@v1"
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      "confidence": "high",
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    "isbn": {
      "print": "978-1-61482-957-7",
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        "note": "Ingested from SMPTE IDAMS <publication> (_source/SMPTE/Conference Repository/Conference Papers/2016/7819436/7819437/07819595.xml) via idamsIngest.js",
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    "journalTitle": "SMPTE 2016 Annual Technical Conference and Exhibition",
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    "keywords": [
      "Streaming",
      "User Experience",
      "Adaptive Bitrate Streaming",
      "UHDTV",
      "4K",
      "HDR",
      "Bandwidth",
      "Bitrate",
      "Protocol",
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      "Buffering",
      "Quality Of Service",
      "QoE",
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      "Field Tests",
      "Internet"
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    "keywords$meta": {
      "confidence": "high",
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    "number": "10",
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      "source": "parsed",
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    "pages": "2–29",
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    "publicationDate": "2016-10-25",
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      "city": "White Plains, NY",
      "city$meta": {
        "confidence": "high",
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        "version": "smpte-idams-publication@v1"
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      "country": "USA",
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