{
  "about": "Conformance corpus of extensions/packaging.md §8.10 (audio renditions): sets of rendition entries, the access-services description records they name, and each set's HLS EXT-X-MEDIA tags and DASH audio adaptation sets, or its refusal. Every key is Ed25519 from a fixed 32-byte seed and attests nothing. Each case states the outcome it was written to have, declared in the generator. Regenerate with `wai_audio_renditions_vectors gen`.",
  "describer": "d759793bbc13a2819a827c76adb6fba8a49aee007f49f2d0992d99b825ad2c48",
  "cases": [
    {
      "name": "languages",
      "description": "A main in English, a dub in Spanish and a commentary: only the main is the default, and the commentary is not chosen unasked.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/aac/en.m3u8"
        },
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "no",
          "description": null,
          "group": "aac",
          "id": "es",
          "language": "es",
          "name": "Espanol",
          "role": "dub",
          "uri": "audio/aac/es.m3u8"
        },
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "no",
          "description": null,
          "group": "aac",
          "id": "en-c",
          "language": "en",
          "name": "English commentary",
          "role": "commentary",
          "uri": "audio/aac/en-c.m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "hls": [
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"aac\",NAME=\"English\",LANGUAGE=\"en\",DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"2\",URI=\"audio/aac/en.m3u8\"",
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"aac\",NAME=\"Espanol\",LANGUAGE=\"es\",DEFAULT=NO,AUTOSELECT=YES,CHANNELS=\"2\",URI=\"audio/aac/es.m3u8\"",
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"aac\",NAME=\"English commentary\",LANGUAGE=\"en\",DEFAULT=NO,AUTOSELECT=NO,CHANNELS=\"2\",URI=\"audio/aac/en-c.m3u8\""
        ],
        "dash": [
          "<AdaptationSet id=\"2\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"en\" codecs=\"mp4a.40.2\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"main\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"2\"/>",
          "  <Representation id=\"en\" bandwidth=\"128000\"/>",
          "</AdaptationSet>",
          "<AdaptationSet id=\"3\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"es\" codecs=\"mp4a.40.2\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"dub\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"2\"/>",
          "  <Representation id=\"es\" bandwidth=\"128000\"/>",
          "</AdaptationSet>",
          "<AdaptationSet id=\"4\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"en\" codecs=\"mp4a.40.2\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"commentary\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"2\"/>",
          "  <Representation id=\"en-c\" bandwidth=\"128000\"/>",
          "</AdaptationSet>"
        ]
      }
    },
    {
      "name": "two_codecs_described",
      "description": "A stereo AAC group and a 5.1 E-AC-3 group, each with the main audio and its audio description, bound to one description record.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/aac/en.m3u8"
        },
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "no",
          "description": "86c7524b3316ccd3c7f4f45a7efcf99b2c8ff047df293023874807a4980b1a0f",
          "group": "aac",
          "id": "en-ad",
          "language": "en",
          "name": "English described",
          "role": "description",
          "uri": "audio/aac/en-ad.m3u8"
        },
        {
          "bandwidth": 384000,
          "capability": "wai.audio.eac3",
          "channels": 6,
          "codecs": "ec-3",
          "default": "yes",
          "description": null,
          "group": "ec3",
          "id": "en-6",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/ec3/en-6.m3u8"
        },
        {
          "bandwidth": 384000,
          "capability": "wai.audio.eac3",
          "channels": 6,
          "codecs": "ec-3",
          "default": "no",
          "description": "86c7524b3316ccd3c7f4f45a7efcf99b2c8ff047df293023874807a4980b1a0f",
          "group": "ec3",
          "id": "en-ad-6",
          "language": "en",
          "name": "English described",
          "role": "description",
          "uri": "audio/ec3/en-ad-6.m3u8"
        }
      ],
      "records": [
        "{\"events\":[{\"begin\":4000,\"duck\":{\"gain\":400,\"ramp\":200},\"end\":6000,\"id\":\"d1\",\"represents\":\"visual.nonText\",\"text\":\"A boat leaves the harbour.\",\"voice\":{\"begin\":4210,\"end\":5790}},{\"begin\":9000,\"duck\":{\"gain\":1000,\"ramp\":0},\"end\":10000,\"id\":\"d2\",\"represents\":\"visual.text\",\"text\":\"A sign: NO MOORING.\",\"voice\":{\"begin\":9010,\"end\":9990}}],\"kind\":\"wai-description\",\"lang\":\"en\",\"script\":{\"model\":null,\"origin\":\"human\"},\"sig\":\"775243355bc902867f838325a5f56e12da7436da598ddf2f315283b9a320755a01f032f397f25c0b22092c1fc52fea1b9489ec59ba63e9acd20b3efb736c940d\",\"signer_pubkey\":\"d759793bbc13a2819a827c76adb6fba8a49aee007f49f2d0992d99b825ad2c48\",\"voicing\":{\"form\":\"track\",\"model\":null,\"origin\":\"human\",\"track\":\"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd\"}}"
      ],
      "outcome": {
        "hls": [
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"aac\",NAME=\"English\",LANGUAGE=\"en\",DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"2\",URI=\"audio/aac/en.m3u8\"",
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"aac\",NAME=\"English described\",LANGUAGE=\"en\",DEFAULT=NO,AUTOSELECT=YES,CHANNELS=\"2\",CHARACTERISTICS=\"public.accessibility.describes-video\",X-WAI-DESCRIPTION=\"86c7524b3316ccd3c7f4f45a7efcf99b2c8ff047df293023874807a4980b1a0f\",URI=\"audio/aac/en-ad.m3u8\"",
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"ec3\",NAME=\"English\",LANGUAGE=\"en\",DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"6\",URI=\"audio/ec3/en-6.m3u8\"",
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"ec3\",NAME=\"English described\",LANGUAGE=\"en\",DEFAULT=NO,AUTOSELECT=YES,CHANNELS=\"6\",CHARACTERISTICS=\"public.accessibility.describes-video\",X-WAI-DESCRIPTION=\"86c7524b3316ccd3c7f4f45a7efcf99b2c8ff047df293023874807a4980b1a0f\",URI=\"audio/ec3/en-ad-6.m3u8\""
        ],
        "dash": [
          "<AdaptationSet id=\"2\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"en\" codecs=\"mp4a.40.2\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"main\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"2\"/>",
          "  <Representation id=\"en\" bandwidth=\"128000\"/>",
          "</AdaptationSet>",
          "<AdaptationSet id=\"3\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"en\" codecs=\"mp4a.40.2\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"alternate\"/>",
          "  <Accessibility schemeIdUri=\"urn:tva:metadata:cs:AudioPurposeCS:2007\" value=\"1\"/>",
          "  <SupplementalProperty schemeIdUri=\"tag:transaction.science,2026:wai/description\" value=\"86c7524b3316ccd3c7f4f45a7efcf99b2c8ff047df293023874807a4980b1a0f\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"2\"/>",
          "  <Representation id=\"en-ad\" bandwidth=\"128000\"/>",
          "</AdaptationSet>",
          "<AdaptationSet id=\"4\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"en\" codecs=\"ec-3\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"main\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"6\"/>",
          "  <Representation id=\"en-6\" bandwidth=\"384000\"/>",
          "</AdaptationSet>",
          "<AdaptationSet id=\"5\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"en\" codecs=\"ec-3\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"alternate\"/>",
          "  <Accessibility schemeIdUri=\"urn:tva:metadata:cs:AudioPurposeCS:2007\" value=\"1\"/>",
          "  <SupplementalProperty schemeIdUri=\"tag:transaction.science,2026:wai/description\" value=\"86c7524b3316ccd3c7f4f45a7efcf99b2c8ff047df293023874807a4980b1a0f\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"6\"/>",
          "  <Representation id=\"en-ad-6\" bandwidth=\"384000\"/>",
          "</AdaptationSet>"
        ]
      }
    },
    {
      "name": "machine_voice",
      "description": "A description voiced by a synthesized voice: its rendition is marked machine-generated.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/aac/en.m3u8"
        },
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "no",
          "description": "fcbb31d5cea2d2597f5d9e1f85ff12158db6942f7c49d94c4a84ee2a315e74ab",
          "group": "aac",
          "id": "en-ad",
          "language": "en",
          "name": "English described",
          "role": "description",
          "uri": "audio/aac/en-ad.m3u8"
        }
      ],
      "records": [
        "{\"events\":[{\"begin\":4000,\"duck\":{\"gain\":400,\"ramp\":200},\"end\":6000,\"id\":\"d1\",\"represents\":\"visual.nonText\",\"text\":\"A boat leaves the harbour.\",\"voice\":{\"begin\":4210,\"end\":5790}},{\"begin\":9000,\"duck\":{\"gain\":1000,\"ramp\":0},\"end\":10000,\"id\":\"d2\",\"represents\":\"visual.text\",\"text\":\"A sign: NO MOORING.\",\"voice\":{\"begin\":9010,\"end\":9990}}],\"kind\":\"wai-description\",\"lang\":\"en\",\"script\":{\"model\":null,\"origin\":\"human\"},\"sig\":\"e7c28302ae4c9886fd5c707e571766a5252738a7e92bb5edeed4d71fc33c0b10a61e1a2f1176a170bf7af37578577b5213f9f12f37839264b2b255a724473701\",\"signer_pubkey\":\"d759793bbc13a2819a827c76adb6fba8a49aee007f49f2d0992d99b825ad2c48\",\"voicing\":{\"form\":\"track\",\"model\":\"abababababababababababababababababababababababababababababababab\",\"origin\":\"machine\",\"track\":\"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd\"}}"
      ],
      "outcome": {
        "hls": [
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"aac\",NAME=\"English\",LANGUAGE=\"en\",DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"2\",URI=\"audio/aac/en.m3u8\"",
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"aac\",NAME=\"English described\",LANGUAGE=\"en\",DEFAULT=NO,AUTOSELECT=YES,CHANNELS=\"2\",CHARACTERISTICS=\"public.accessibility.describes-video,public.machine-generated\",X-WAI-DESCRIPTION=\"fcbb31d5cea2d2597f5d9e1f85ff12158db6942f7c49d94c4a84ee2a315e74ab\",URI=\"audio/aac/en-ad.m3u8\""
        ],
        "dash": [
          "<AdaptationSet id=\"2\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"en\" codecs=\"mp4a.40.2\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"main\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"2\"/>",
          "  <Representation id=\"en\" bandwidth=\"128000\"/>",
          "</AdaptationSet>",
          "<AdaptationSet id=\"3\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"en\" codecs=\"mp4a.40.2\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"alternate\"/>",
          "  <Accessibility schemeIdUri=\"urn:tva:metadata:cs:AudioPurposeCS:2007\" value=\"1\"/>",
          "  <SupplementalProperty schemeIdUri=\"tag:transaction.science,2026:wai/description\" value=\"fcbb31d5cea2d2597f5d9e1f85ff12158db6942f7c49d94c4a84ee2a315e74ab\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"2\"/>",
          "  <Representation id=\"en-ad\" bandwidth=\"128000\"/>",
          "</AdaptationSet>"
        ]
      }
    },
    {
      "name": "alternate",
      "description": "An AC-3 main and an Opus alternate in one group: the alternate is not chosen unasked, so the two do not compete.",
      "entries": [
        {
          "bandwidth": 384000,
          "capability": "wai.audio.ac3",
          "channels": 6,
          "codecs": "ac-3",
          "default": "yes",
          "description": null,
          "group": "a",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/a/en.m3u8"
        },
        {
          "bandwidth": 128000,
          "capability": "wai.audio.opus.packet",
          "channels": 2,
          "codecs": "opus",
          "default": "no",
          "description": null,
          "group": "a",
          "id": "en-alt",
          "language": "en",
          "name": "English stereo",
          "role": "alternate",
          "uri": "audio/a/en-alt.m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "hls": [
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"a\",NAME=\"English\",LANGUAGE=\"en\",DEFAULT=YES,AUTOSELECT=YES,CHANNELS=\"6\",URI=\"audio/a/en.m3u8\"",
          "#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=\"a\",NAME=\"English stereo\",LANGUAGE=\"en\",DEFAULT=NO,AUTOSELECT=NO,CHANNELS=\"2\",URI=\"audio/a/en-alt.m3u8\""
        ],
        "dash": [
          "<AdaptationSet id=\"2\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"en\" codecs=\"ac-3\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"main\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"6\"/>",
          "  <Representation id=\"en\" bandwidth=\"384000\"/>",
          "</AdaptationSet>",
          "<AdaptationSet id=\"3\" contentType=\"audio\" mimeType=\"audio/mp4\" lang=\"en\" codecs=\"opus\" segmentAlignment=\"true\">",
          "  <Role schemeIdUri=\"urn:mpeg:dash:role:2011\" value=\"alternate\"/>",
          "  <AudioChannelConfiguration schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\" value=\"2\"/>",
          "  <Representation id=\"en-alt\" bandwidth=\"128000\"/>",
          "</AdaptationSet>"
        ]
      }
    },
    {
      "name": "member_missing",
      "description": "An entry with no bandwidth.",
      "entries": [
        {
          "uri": "audio/aac/en.m3u8",
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main"
        }
      ],
      "records": [],
      "outcome": {
        "refuse": "rendition-malformed"
      }
    },
    {
      "name": "default_not_a_word",
      "description": "default written as a JSON boolean.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": true,
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/aac/en.m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "refuse": "rendition-malformed"
      }
    },
    {
      "name": "no_entry",
      "description": "No entry at all.",
      "entries": [],
      "records": [],
      "outcome": {
        "refuse": "rendition-malformed"
      }
    },
    {
      "name": "language_malformed",
      "description": "A language of one letter.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "e",
          "name": "English",
          "role": "main",
          "uri": "audio/aac/en.m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "refuse": "rendition-malformed"
      }
    },
    {
      "name": "channels_zero",
      "description": "No channel.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 0,
          "codecs": "mp4a.40.2",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/aac/en.m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "refuse": "rendition-malformed"
      }
    },
    {
      "name": "channels_past_bound",
      "description": "33 channels.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 33,
          "codecs": "mp4a.40.2",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/aac/en.m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "refuse": "rendition-malformed"
      }
    },
    {
      "name": "uri_quote",
      "description": "A quotation mark in the URI.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/\"en\".m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "refuse": "rendition-malformed"
      }
    },
    {
      "name": "name_quote",
      "description": "A quotation mark in the name.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "Eng\"lish",
          "role": "main",
          "uri": "audio/aac/en.m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "refuse": "rendition-malformed"
      }
    },
    {
      "name": "role_unknown",
      "description": "A role of karaoke.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.aac",
          "channels": 2,
          "codecs": "mp4a.40.2",
          "default": "no",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "karaoke",
          "uri": "audio/aac/en.m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "refuse": "rendition-malformed"
      }
    },
    {
      "name": "capability_not_listed",
      "description": "AC-4, which §8.10.1 does not list.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.audio.ac4",
          "channels": 2,
          "codecs": "ac-4",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/aac/en.m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "refuse": "rendition-capability"
      }
    },
    {
      "name": "capability_video",
      "description": "A video capability.",
      "entries": [
        {
          "bandwidth": 128000,
          "capability": "wai.video.avc",
          "channels": 2,
          "codecs": "avc1.64001f",
          "default": "yes",
          "description": null,
          "group": "aac",
          "id": "en",
          "language": "en",
          "name": "English",
          "role": "main",
          "uri": "audio/aac/en.m3u8"
        }
      ],
      "records": [],
      "outcome": {
        "refuse": "rendition-capability"
      }
    },
    {
      "name": "codecs_of_another",
      "description": "E-AC-3 named ac-3.",
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