"副音声" meaning in Japanese

{
  "forms": [
    {
      "form": "副音声",
      "ruby": [
        [
          "副",
          "ふく"
        ],
        [
          "音",
          "おん"
        ],
        [
          "声",
          "せい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "fukuonsei",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "副音聲",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ふくおんせい"
      },
      "expansion": "副(ふく)音(おん)声(せい) • (fukuonsei)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms read with on'yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "english": "primary audio channel",
          "roman": "shuonsei",
          "ruby": [
            [
              "主音声",
              "しゅおんせい"
            ]
          ],
          "translation": "primary audio channel",
          "word": "主音声"
        }
      ],
      "glosses": [
        "secondary audio channel in a multiple audio channel television broadcast (音声多重放送), used for commentary, audio in another language, etc."
      ],
      "id": "en-副音声-ja-noun-rQzI8Zq5",
      "links": [
        [
          "secondary",
          "secondary"
        ],
        [
          "audio",
          "audio"
        ],
        [
          "channel",
          "channel"
        ],
        [
          "multiple",
          "multiple"
        ],
        [
          "television",
          "television"
        ],
        [
          "broadcast",
          "broadcast"
        ],
        [
          "音声多重放送",
          "音声多重放送#Japanese"
        ],
        [
          "commentary",
          "commentary"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɸɯ̟kɯ̟õ̞ɰ̃se̞ː]"
    }
  ],
  "word": "副音声"
}

{
  "coordinate_terms": [
    {
      "english": "primary audio channel",
      "roman": "shuonsei",
      "ruby": [
        [
          "主音声",
          "しゅおんせい"
        ]
      ],
      "translation": "primary audio channel",
      "word": "主音声"
    }
  ],
  "forms": [
    {
      "form": "副音声",
      "ruby": [
        [
          "副",
          "ふく"
        ],
        [
          "音",
          "おん"
        ],
        [
          "声",
          "せい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "fukuonsei",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "副音聲",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ふくおんせい"
      },
      "expansion": "副(ふく)音(おん)声(せい) • (fukuonsei)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms read with on'yomi",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with 副 read as ふく",
        "Japanese terms spelled with 声 read as せい",
        "Japanese terms spelled with 音 read as おん",
        "Japanese terms with 3 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "secondary audio channel in a multiple audio channel television broadcast (音声多重放送), used for commentary, audio in another language, etc."
      ],
      "links": [
        [
          "secondary",
          "secondary"
        ],
        [
          "audio",
          "audio"
        ],
        [
          "channel",
          "channel"
        ],
        [
          "multiple",
          "multiple"
        ],
        [
          "television",
          "television"
        ],
        [
          "broadcast",
          "broadcast"
        ],
        [
          "音声多重放送",
          "音声多重放送#Japanese"
        ],
        [
          "commentary",
          "commentary"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɸɯ̟kɯ̟õ̞ɰ̃se̞ː]"
    }
  ],
  "word": "副音声"
}