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SubtitleMatrix

ASS 轉 JSON

格式轉換Advanced SubStation Alpha(ASS)
或者貼上字幕文字

這次轉換會改變什麼

有 1 項會被捨棄或需要你決定

  • 格式專屬內容

    來源格式保留在字幕之外的內容(非字幕區塊、檔案標頭文字、單條字幕的設定、被註解掉的事件)——目標格式沒有地方存放它們

這份清單來自這兩種格式的能力矩陣,而不是你載入的這份具體檔案。如果具體檔案用到了格式允許、但矩陣沒有建模的特性,可能會遺失更多。

這一頁把 ASS 轉成 JSON。拖曳檔案進來,或直接貼上文字,就會取回 JSON 版本;轉換完全在瀏覽器裡執行,不上傳、不需要帳號。

兩個格式存的東西不一樣:格式私有內容在 JSON 裡沒有落點。上方清單是從兩個格式各自能表達什麼算出來的,不是讀你的檔案,所以在載入之前就是同一個答案。JSON 是這一族裡丟得最少的一種目標——標題會過去,整張 ASS 樣式表也逐欄保留,時間則化成整數毫秒。

一份檔案可以,整季也可以:佇列依序處理,結果一起下載成一個 ZIP。

範例

一份典型的 ASS 檔案轉成 JSON

輸入

[Script Info]
Title: Example
ScriptType: v4.00+
WrapStyle: 0

[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1
Style: Title,Arial,36,&H0000FFFF,&H000000FF,&H00000000,&H00000000,-1,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1

[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:01.00,0:00:04.00,Default,,0,0,0,,Hello there.
Dialogue: 0,0:00:05.00,0:00:08.50,Default,,0,0,0,,{\i1}Italic{\i0} and {\b1}bold{\b0} text.
Dialogue: 0,0:00:09.00,0:00:12.00,Title,,0,0,0,,{\pos(320,240)}Positioned
Dialogue: 0,0:00:13.00,0:00:16.00,Default,,0,0,0,,{\k50}ka{\k30}ra{\k20}o{\k10}ke
Dialogue: 0,0:00:17.00,0:00:20.00,Default,,0,0,0,,Line one\NLine two
Dialogue: 1,0:00:21.00,0:00:24.00,Default,,0,0,0,,{\an7}Top left

輸出

{
  "version": 1,
  "title": "Example",
  "styles": {
    "Default": {
      "name": "Default",
      "Name": "Default",
      "Fontname": "Arial",
      "Fontsize": "20",
      "PrimaryColour": "&H00FFFFFF",
      "SecondaryColour": "&H000000FF",
      "OutlineColour": "&H00000000",
      "BackColour": "&H00000000",
      "Bold": "0",
      "Italic": "0",
      "Underline": "0",
      "StrikeOut": "0",
      "ScaleX": "100",
      "ScaleY": "100",
      "Spacing": "0",
      "Angle": "0",
      "BorderStyle": "1",
      "Outline": "2",
      "Shadow": "2",
      "Alignment": "2",
      "MarginL": "10",
      "MarginR": "10",
      "MarginV": "10",
      "Encoding": "1",
      "fontFamily": "Arial",
      "fontSize": 20,
      "primaryColor": "#ffffff",
      "outlineColor": "#000000",
      "bold": false,
      "italic": false
    },
    "Title": {
      "name": "Title",
      "Name": "Title",
      "Fontname": "Arial",
      "Fontsize": "36",
      "PrimaryColour": "&H0000FFFF",
      "SecondaryColour": "&H000000FF",
      "OutlineColour": "&H00000000",
      "BackColour": "&H00000000",
      "Bold": "-1",
      "Italic": "0",
      "Underline": "0",
      "StrikeOut": "0",
      "ScaleX": "100",
      "ScaleY": "100",
      "Spacing": "0",
      "Angle": "0",
      "BorderStyle": "1",
      "Outline": "2",
      "Shadow": "2",
      "Alignment": "2",
      "MarginL": "10",
      "MarginR": "10",
      "MarginV": "10",
      "Encoding": "1",
      "fontFamily": "Arial",
      "fontSize": 36,
      "primaryColor": "#ffff00",
      "outlineColor": "#000000",
      "bold": true,
      "italic": false
    }
  },
  "cues": [
    {
      "start": 1000,
      "end": 4000,
      "lines": [
        "Hello there."
      ],
      "style": "Default"
    },
    {
      "start": 5000,
      "end": 8500,
      "lines": [
        {
          "text": "Italic and bold text.",
          "tags": [
            {
              "kind": "italic",
              "start": 0,
              "end": 6
            },
            {
              "kind": "bold",
              "start": 11,
              "end": 15
            }
          ]
        }
      ],
      "style": "Default"
    },
    {
      "start": 9000,
      "end": 12000,
      "lines": [
        "Positioned"
      ],
      "style": "Title",
      "position": {
        "x": 320,
        "y": 240
      }
    },
    {
      "start": 13000,
      "end": 16000,
      "lines": [
        {
          "text": "karaoke",
          "tags": [
            {
              "kind": "karaoke",
              "start": 0,
              "end": 2,
              "value": "50"
            },
            {
              "kind": "karaoke",
              "start": 2,
              "end": 4,
              "value": "30"
            },
            {
              "kind": "karaoke",
              "start": 4,
              "end": 5,
              "value": "20"
            },
            {
              "kind": "karaoke",
              "start": 5,
              "end": 7,
              "value": "10"
            }
          ]
        }
      ],
      "style": "Default"
    },
    {
      "start": 17000,
      "end": 20000,
      "lines": [
        "Line one",
        "Line two"
      ],
      "style": "Default"
    },
    {
      "start": 21000,
      "end": 24000,
      "lines": [
        "Top left"
      ],
      "style": "Default"
    }
  ]
}

只有格式私有內容沒有落點;標題與整張樣式表都在產物裡,其餘逐行一致。

同一轉換遇到一份髒檔案

輸入

[Script Info]
; 一份真实的脏文件:BOM + CRLF + 认不出的覆写码 + Comment + 坏时间码
Title: Dirty sample
ScriptType: v4.00+

[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,1,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1

[Fonts]
fontname: Arial
!!!!!!!!!!!!!!!!!!!!!!!!!!!!

[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Comment: 0,0:00:00.00,0:00:01.00,Default,,0,0,0,,这是一条注释,不该变成字幕
Dialogue: 0,0:00:01.00,0:00:04.00,Default,,0,0,0,,Hello, world
Dialogue: 0,0:00:05.00,0:00:08.00,Default,,0,0,0,,{\fad(300,300)}Unmodelled override
Dialogue: 0,0:00:09.00,0:00:12.00,Default,,0,0,0,,{\an7\pos(320,240)}Both, wrong order
Dialogue: 0,0:00:13.00,0:00:16.5,Default,,0,0,0,,One decimal centisecond
Dialogue: 0,0:00:17.00,0:00:20.00,Default,,0,0,0,,Soft\nbreak
Dialogue: 0,0:00:xx.00,0:00:24.00,Default,,0,0,0,,Broken timecode

輸出

{
  "version": 1,
  "title": "Dirty sample",
  "styles": {
    "Default": {
      "name": "Default",
      "Name": "Default",
      "Fontname": "Arial",
      "Fontsize": "20",
      "PrimaryColour": "&H00FFFFFF",
      "SecondaryColour": "&H000000FF",
      "OutlineColour": "&H00000000",
      "BackColour": "&H00000000",
      "Bold": "1",
      "Italic": "0",
      "Underline": "0",
      "StrikeOut": "0",
      "ScaleX": "100",
      "ScaleY": "100",
      "Spacing": "0",
      "Angle": "0",
      "BorderStyle": "1",
      "Outline": "2",
      "Shadow": "2",
      "Alignment": "2",
      "MarginL": "10",
      "MarginR": "10",
      "MarginV": "10",
      "Encoding": "1",
      "fontFamily": "Arial",
      "fontSize": 20,
      "primaryColor": "#ffffff",
      "outlineColor": "#000000",
      "bold": true,
      "italic": false
    }
  },
  "cues": [
    {
      "start": 1000,
      "end": 4000,
      "lines": [
        "Hello, world"
      ],
      "style": "Default"
    },
    {
      "start": 5000,
      "end": 8000,
      "lines": [
        "{\\fad(300,300)}Unmodelled override"
      ],
      "style": "Default"
    },
    {
      "start": 9000,
      "end": 12000,
      "lines": [
        "Both, wrong order"
      ],
      "style": "Default",
      "position": {
        "x": 320,
        "y": 240
      }
    },
    {
      "start": 13000,
      "end": 16500,
      "lines": [
        "One decimal centisecond"
      ],
      "style": "Default"
    },
    {
      "start": 17000,
      "end": 20000,
      "lines": [
        "Soft",
        "break"
      ],
      "style": "Default"
    }
  ]
}

真實檔案會帶混合換行、散落空白與留空欄位;右欄是本站從這些損壞裡仍然讀出的結構。

常見問題

ASS 轉 JSON 後,[Script Info] 的 PlayResX 與 WrapStyle 去哪了?

丟棄。JSON 只保留標題,PlayResX、WrapStyle、Collisions 等其餘全域鍵沒有對應欄位;這是這個方向唯一的有損項目。

ASS 轉 JSON 時,整張樣式表都會保留嗎?

會,而且逐欄保留,包括本站沒有特別建模的欄位,另外還附上解析後的字型、字級、主色、描邊色與粗斜體旗標。每個樣式在 styles 物件裡都有自己的鍵。

ASS 轉 JSON 後,0:00:04.13 會變成什麼?

4130,整數毫秒。ASS 的百分秒直接換算成毫秒,不四捨五入、也不寫成時間碼字串;2.9 秒的字幕仍是 2.9 秒。

ASS 的 Comment: 與 Picture: 事件會寫進 JSON 嗎?

不會。只有 Dialogue: 行會成為字幕段落;Comment:、Picture:、Sound: 這些非字幕事件沒有對應結構,會被丟棄並記入有損說明。

ASS 轉 JSON 後,一條兩行字幕怎麼存?

存在同一條字幕段落的 lines 陣列裡,兩個元素仍屬於同一條字幕,播放器會一起顯示;帶樣式的行會在該元素下附上 tags,標出斜體或粗體的起訖位置。

ASS 的 [Fonts] 內嵌字型會跟著 JSON 走嗎?

不會。[Fonts] 與 [Graphics] 是給渲染器的附件,不是字幕,JSON 結構裡沒有它們的位置,會被列為格式私有內容的損失。

JSON 轉回 ASS 時會遺失什麼?

精度。JSON 的毫秒寫進 ASS 只能保留到百分秒,單一時間點最多差 5 毫秒;這份清單和去程不同,因為兩個方向保留的東西不一樣。

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