{
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    "abstract": "To ensure a baseline of interoperability between WebRTC endpoints, a minimum set of required codecs is specified. However, to maximize the possibility of establishing the session without the need for audio transcoding, it is also recommended to include in the offer other suitable audio codecs that are available to the browser. This document provides some guidelines on the suitable codecs to be considered for WebRTC endpoints to address the use cases most relevant to interoperability.",
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      {
        "name": "Stephane Proust"
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      "confidence": "high",
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      "updated": "2026-10-22T01:45:34.973Z",
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      "confidence": "high",
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    "docLabel": "IETF RFC 7875",
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      "confidence": "high",
      "note": "Constructed from provider and document identifier",
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      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
      "updated": "2026-10-22T01:45:34.973Z",
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    "docNumber": "7875",
    "docNumber$meta": {
      "confidence": "high",
      "note": "From the RFC index entry (rfc-index.xml <doc-id>)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
      "updated": "2026-10-22T01:45:34.973Z",
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    "docTitle": "Additional WebRTC Audio Codecs for Interoperability",
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      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
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      "updated": "2026-10-22T01:45:34.973Z",
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    "docType": "Informational",
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      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
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      "updated": "2026-10-22T01:45:34.973Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "doi": "10.17487/RFC7875",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
      "updated": "2026-10-22T01:45:34.973Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "href": "https://doi.org/10.17487/RFC7875",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
      "updated": "2026-10-22T01:45:34.973Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "keywords": [
      "WebRTC",
      "Audio Codecs",
      "G.722",
      "AMR",
      "AMR-WB"
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    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
      "updated": "2026-10-22T01:45:34.973Z",
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      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
      "updated": "2026-10-22T01:45:34.973Z",
      "version": "extractDocs.js@commit:acc1bcda23fc"
    },
    "publicationDate": "2016-05-01",
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      "confidence": "high",
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      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
      "updated": "2026-10-22T01:45:34.973Z",
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    },
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
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    "references": {
      "bibliographic": [
        "ETSI.EN-300-175-1.2015",
        "ETSI.EN-300-175-8.2015",
        "T-REC-G.711.1988",
        "IETF.draft-ietf-rtcweb-overview-15",
        "T-REC-P.800.1996",
        "RFC6716",
        "ETSI.TS-181005.2009",
        "3GPP.TS-23.002.201603",
        "orphan/RFC7875/h:262c0e00"
      ],
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        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=23 proseBlocks=28 skippedAnchorBlocks=26",
        "note": "Parsed from RFC HTML references/informative sections",
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        "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
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      },
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        "RFC3551",
        "RFC4867",
        "RFC7874",
        "3GPP.TS-26.171.201512",
        "3GPP.TS-26.073.201512",
        "3GPP.TS-26.090.201512",
        "3GPP.TS-26.104.201512",
        "3GPP.TS-26.114.201603",
        "3GPP.TS-26.173.201603",
        "3GPP.TS-26.190.201512",
        "3GPP.TS-26.204.201603",
        "orphan/RFC7875/h:e0c12542"
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        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
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    },
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      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
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      "source": "resolved",
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      "updated": "2026-10-22T01:45:34.973Z",
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        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
        "updated": "2026-10-22T01:45:34.973Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
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      "errataExist": false,
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        "confidence": "high",
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        "source": "parsed",
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        "updated": "2026-10-22T01:45:34.973Z",
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      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
        "updated": "2026-10-22T01:45:34.973Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
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        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
        "updated": "2026-10-22T01:45:34.973Z",
        "version": "extractDocs.js@commit:acc1bcda23fc"
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        "confidence": "high",
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        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc7875/",
        "updated": "2026-10-22T01:45:34.973Z",
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