本文为阿里云智能媒体服务IMS「云端智能剪辑」实际指南第四期,通过使用官网提供的花字模版或自定义设计花字,实现丰盛、精美的花字特效视频剪辑。

昱尘|作者

在视频前期剪辑中,“花字”是一种特地的存在。

通过应用适宜视频的花字,不仅能够丰盛视频内容,还能够让视频传播的信息更加容易让用户承受,加深观众对于视频内容的印象。

对于做短视频营销场景的客户来说,花字更是起着至关重要的作用,不仅能够加强视频传播信息的能力,还能够减少视频的成果精美度。

视频中罕用的花字,个别会蕴含几个因素:文字色彩、纹理、字体、多层描边、多层暗影以及背景及发光成果等。

本文次要介绍如何通过应用智能媒体服务IMS「云端智能剪辑」减少花字,将从「如何应用官网花字」以及「如何自定义设计花字」两方面来介绍弱小的花字能力。本文成果实现较为简单,将视频地址换成您本人的oss地址,即能够实现示例成果。

01 原始字幕

咱们参考市面上比拟支流的营销类短视频剪辑模式,以上面这个流程作为demo展现的模版。

  • 应用一张图片作为视频封面,减少主题目、副标题以及形容文字;
  • 应用三个横屏拍摄的视频作为主体内容,输入为竖屏视频(不便手机观看),高低减少背景含糊成果;
  • 每一个视频或者图片,对应一段TTS口播,让视频或者图片与口播对齐,保障视频的流畅性;
  • TTS口播同时搭配ASR字幕。

依照下面这个模版,咱们先看一个不应用任何简单字幕成果剪辑成的视频成果:

https://v.qq.com/x/page/p3502q8vcef.html

通过观看视频发现,该视频中的字幕存在一些问题:

l 视频背景比较复杂,在字幕色彩和视频底色比拟靠近时,会导致字幕不够清晰;

l 字幕比拟单调乏味,视频内容不够粗劣,容易让用户产生视觉疲劳,升高流传力;

l 字幕成果不够突出亮眼,无奈一眼就让用户把握视频要害信息。

原始字幕Timeline:

{  "VideoTracks": [{    "VideoTrackClips": [{        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/cover.jpg",        "Width": 1,        "Height": 1,        "Type": "Image",        "AdaptMode": "Cover",        "ReferenceClipId": "speech_1",        "Effects": [{            "Type": "Text",            "Font": "HappyZcool-2016",            "Content": "敌人聚餐",            "Y": 0.5,            "FontSize": 80,            "Angle": "30",            "Alignment": "TopCenter",            "FontColor": "#ffffff"          },          {            "Type": "Text",            "Font": "HappyZcool-2016",            "Content": "同学聚会",            "Y": 0.6,            "FontSize": 80,            "Angle": "30",            "Alignment": "TopCenter",            "FontColor": "#ffffff"          },          {            "Type": "Text",            "Font": "HappyZcool-2016",            "Content": "家人团圆",            "Y": 0.7,            "FontSize": 80,            "Angle": "30",            "Alignment": "TopCenter",            "FontColor": "#ffffff"          },          {            "Type": "Text",            "Font": "HappyZcool-2016",            "Content": "共事团建",            "Y": 0.8,            "FontSize": 80,            "Angle": "30",            "Alignment": "TopCenter",            "FontColor": "#ffffff"          }        ]      },      {        "Comment": "火锅",        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/%E7%81%AB%E9%94%85.mp4",        "Y": 0.3,        "Width": 1080,        "Height": 608,        "AdaptMode": "Cover",        "Effects": [{          "Type": "Background",          "SubType": "Blur",          "Radius": 0.1        }],        "ReferenceClipId": "speech_2"      },      {        "Comment": "烤羊肉串",        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/%E7%83%A4%E7%BE%8A%E8%82%89%E4%B8%B2.mp4",        "Y": 0.3,        "Width": 1080,        "Height": 608,        "AdaptMode": "Cover",        "Effects": [{          "Type": "Background",          "SubType": "Blur",          "Radius": 0.1        }],        "ReferenceClipId": "speech_3"      },      {        "Comment": "大鱿鱼",        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/%E7%83%A4%E9%B1%BF%E9%B1%BC.mp4",        "Y": 0.3,        "Width": 1080,        "Height": 608,        "AdaptMode": "Cover",        "Effects": [{          "Type": "Background",          "SubType": "Blur",          "Radius": 0.1        }],        "ReferenceClipId": "speech_4"      },      {        "Comment": "陈腐蔬菜",        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/%E8%94%AC%E8%8F%9C.mp4",        "Y": 0.3,        "Width": 1080,        "Height": 608,        "AdaptMode": "Cover",        "Effects": [{          "Type": "Background",          "SubType": "Blur",          "Radius": 0.1        }],        "ReferenceClipId": "speech_5"      }    ]  }],  "AudioTracks": [{    "AudioTrackClips": [{        "Type": "AI_TTS",        "Content": "周末就来阿云美食城吧",        "Voice": "zhimi_emo",        "ClipId": "speech_1"      },      {        "Type": "AI_TTS",        "Content": "这里有入口醇香的老北京火锅!",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "HappyZcool-2016",          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 80,          "FontColor": "#ffffff"        }],        "ClipId": "speech_2"      },      {        "Type": "AI_TTS",        "Content": "这里有香喷喷的烤羊肉串!",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "HappyZcool-2016",          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 80,          "FontColor": "#ffffff"        }],        "ClipId": "speech_3"      },      {        "Type": "AI_TTS",        "Content": "这里有无比鲜嫩的大鱿鱼!",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "HappyZcool-2016",          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 80,          "FontColor": "#ffffff"        }],        "ClipId": "speech_4"      },      {        "Type": "AI_TTS",        "Content": "还有各种陈腐蔬菜等你来品味~",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "HappyZcool-2016",          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 80,          "FontColor": "#ffffff"        }],        "ClipId": "speech_5"      }    ]  }],  "SubtitleTracks": [{    "SubtitleTrackClips": [{        "Comment": "主题目",        "Type": "Text",        "Font": "HappyZcool-2016",        "Y": 0.05,        "FontSize": 200,        "Content": "阿云美食城",        "FontColor": "#CFFAFF",        "SizeRequestType": "Nominal",        "AdaptMode": "AutoScale",        "Spacing": 3,        "Alignment": "TopCenter"      },      {        "Comment": "副标题",        "Type": "Text",        "Font": "HappyZcool-2016",        "Y": 0.2,        "FontSize": 100,        "Content": "味蕾盛宴",        "FontColor": "#CFFAFF",        "SizeRequestType": "Nominal",        "AdaptMode": "AutoScale",        "Spacing": 3,        "Alignment": "TopCenter"      }    ]  }]}

02 32套官网花字

为了解决上述原始字幕文字不显著以及成果比拟差等一些问题,咱们能够用IMS中已集成的官网花字来丰盛视频内容。阿里云智能媒体服务新增32套高级花字。

花字成果示例:

https://help.aliyun.com/document_detail/449561.html

能够简略设置花字Id来一键式实现多种花字成果。应用官网花字对视频内容进行丰盛的成果如下:

https://v.qq.com/x/page/r3502mwbj8h.html

比照没有配置花字的原始字幕版本的成果,能够发现:应用官网花字制作的营销短视频,不再会因为视频底色变动而让人看不清字幕,从而更加能抓住观众的注意力,加深印象。

设置花字的形式也非常简便,间接设置一个花字Id即可,比方"EffectColorStyle": "CS0002-000011",如果须要批改文字字体,能够应用自定义字体性能或者应用咱们的官网内置字体库

官网花字Timeline:

{  "VideoTracks": [{    "VideoTrackClips": [{        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/cover.jpg",        "Width": 1,        "Height": 1,        "Type": "Image",        "AdaptMode": "Cover",        "ReferenceClipId": "speech_1",        "Effects": [{            "Type": "Text",            "Content": "敌人聚餐",            "Y": 0.5,            "FontSize": 80,            "Angle": "30",            "Alignment": "TopCenter",            "EffectColorStyle": "CS0001-000015"          },          {            "Type": "Text",            "Content": "同学聚会",            "Y": 0.6,            "FontSize": 80,            "Angle": "30",            "Alignment": "TopCenter",            "EffectColorStyle": "CS0001-000015"          },          {            "Type": "Text",            "Content": "家人团圆",            "Y": 0.7,            "FontSize": 80,            "Angle": "30",            "Alignment": "TopCenter",            "EffectColorStyle": "CS0001-000015"          },          {            "Type": "Text",            "Content": "共事团建",            "Y": 0.8,            "FontSize": 80,            "Angle": "30",            "Alignment": "TopCenter",            "EffectColorStyle": "CS0001-000015"          }        ]      },      {        "Comment": "火锅",        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/%E7%81%AB%E9%94%85.mp4",        "Y": 0.3,        "Width": 1080,        "Height": 608,        "AdaptMode": "Cover",        "Effects": [{          "Type": "Background",          "SubType": "Blur",          "Radius": 0.1        }],        "ReferenceClipId": "speech_2"      },      {        "Comment": "烤羊肉串",        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/%E7%83%A4%E7%BE%8A%E8%82%89%E4%B8%B2.mp4",        "Y": 0.3,        "Width": 1080,        "Height": 608,        "AdaptMode": "Cover",        "Effects": [{          "Type": "Background",          "SubType": "Blur",          "Radius": 0.1        }],        "ReferenceClipId": "speech_3"      },      {        "Comment": "大鱿鱼",        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/%E7%83%A4%E9%B1%BF%E9%B1%BC.mp4",        "Y": 0.3,        "Width": 1080,        "Height": 608,        "AdaptMode": "Cover",        "Effects": [{          "Type": "Background",          "SubType": "Blur",          "Radius": 0.1        }],        "ReferenceClipId": "speech_4"      },      {        "Comment": "陈腐蔬菜",        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/%E8%94%AC%E8%8F%9C.mp4",        "Y": 0.3,        "Width": 1080,        "Height": 608,        "AdaptMode": "Cover",        "Effects": [{          "Type": "Background",          "SubType": "Blur",          "Radius": 0.1        }],        "ReferenceClipId": "speech_5"      }    ]  }],  "AudioTracks": [{    "AudioTrackClips": [{        "Type": "AI_TTS",        "Content": "周末就来阿云美食城吧",        "Voice": "zhimi_emo",        "ClipId": "speech_1"      },      {        "Type": "AI_TTS",        "Content": "这里有入口醇香的老北京火锅!",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "KaiTi",          "Spacing": 2,          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 70,          "AdaptMode": "AutoWrap",          "EffectColorStyle": "CS0001-000014"        }],        "ClipId": "speech_2"      },      {        "Type": "AI_TTS",        "Content": "这里有香喷喷的烤羊肉串!",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "KaiTi",          "Spacing": 2,          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 70,          "AdaptMode": "AutoWrap",          "EffectColorStyle": "CS0001-000014"        }],        "ClipId": "speech_3"      },      {        "Type": "AI_TTS",        "Content": "这里有无比鲜嫩的大鱿鱼!",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "KaiTi",          "Spacing": 2,          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 70,          "AdaptMode": "AutoWrap",          "EffectColorStyle": "CS0001-000014"        }],        "ClipId": "speech_4"      },      {        "Type": "AI_TTS",        "Content": "还有各种陈腐蔬菜等你来品味~",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "KaiTi",          "Spacing": 2,          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 70,          "AdaptMode": "AutoWrap",          "EffectColorStyle": "CS0001-000014"        }],        "ClipId": "speech_5"      }    ]  }],  "SubtitleTracks": [{    "SubtitleTrackClips": [{        "Comment": "主题目",        "Type": "Text",        "Y": 0.05,        "FontSize": 200,        "Content": "阿云美食城",        "FontColor": "#CFFAFF",        "SizeRequestType": "Nominal",        "AdaptMode": "AutoScale",        "Spacing": 2,        "Alignment": "TopCenter",        "EffectColorStyle": "CS0002-000003"      },      {        "Comment": "副标题",        "Type": "Text",        "Y": 0.2,        "FontSize": 100,        "Content": "味蕾盛宴",        "FontColor": "#CFFAFF",        "SizeRequestType": "Nominal",        "AdaptMode": "AutoScale",        "Spacing": 2,        "Alignment": "TopCenter",        "EffectColorStyle": "CS0002-000011"      }    ]  }]}

03 自定义设计花字

当官网花字仍无奈满足视频制作成果的需要,咱们也反对自定义花字性能。您能够灵便组织多层描边成果,多层暗影成果,咱们也反对设置高斯含糊,实现字幕发光成果。

在具体Timeline设置前,咱们先来看一下自定义设计花字的成片成果。

https://v.qq.com/x/page/h3502f25vuk.html

自定义花字的API协定:

https://help.aliyun.com/document_detail/198823.html

首先,咱们来看一个多层描边的花字示例。咱们以官网花字CS0001-000016这个成果为例。

CS0001-000016花字

仔细观察,能够晓得这个花字是通过从外到内叠加色彩逐步变深的多层描边来实现的,通过在SubtitleEffects中设置多层色彩逐步变深的描边成果即可实现这个花字。

Color字段为RGB色彩值,Type设置为Outline示意描边,Bord、Shift设置成0-1的小数时,示意绝对字体大小的值,理论渲染时会乘以FontSize值,这样即可实现不同字体大小下,花字成果根本保持一致。

SubtitleEffects是一个JSON数组,越靠前的在渲染时会越在底层,所以底层描边Bord须要比下层描边Bord设置的稍大一些,否则底层的描边会被下层的描边遮住,从而失去成果。

该花字的文字色彩为红色,设置字体为站酷高兴体,据此能够设置字幕轨道参数为如下。

CS0001-000016花字SubtitleTrackClips参数解析:

{  "Type": "Text",  "FontSize": 130,  "Content": "阿里云剪辑",  "Spacing": 2,  "Alignment": "TopCenter",  "Font": "HappyZcool-2016",  "FontColor": "#ffffff",  "SubtitleEffects": [{    "Color": "#c6f295",    "Type": "Outline",    "Blur": 0.0,    "XBord": 0.16,    "YBord": 0.16,    "XShift": 0.0,    "YShift": 0.0,    "Opacity": 1.0  }, {    "Color": "#99dda3",    "Type": "Outline",    "Blur": 0.0,    "XBord": 0.12,    "YBord": 0.12,    "XShift": 0.0,    "YShift": 0.0,    "Opacity": 1.0  }, {    "Color": "#66c19c",    "Type": "Outline",    "Blur": 0.0,    "XBord": 0.08,    "YBord": 0.08,    "XShift": 0.0,    "YShift": 0.0,    "Opacity": 1.0  }, {    "Color": "#138b8a",    "Type": "Outline",    "Blur": 0.0,    "XBord": 0.04,    "YBord": 0.04,    "XShift": 0.0,    "YShift": 0.0,    "Opacity": 1.0  }]}

咱们再来看如何自定义实现字幕发光成果

CS0002-000015花字

咱们以CS0002-000015这个花字成果为例。认真看,这个花字整体是由两局部组成的,一部分为底部的文字投影,一部分为下层的文字主体。

再细细察看,能够发现,文字投影局部最外是由一层淡蓝色发光成果形成,两头是一层描边,描边两头蕴含深蓝色的文字实体。发光的成果咱们是通过给暗影减少含糊成果来实现。

下层文字主体局部,是由一个层描边蕴含文字主体的轮廓形成,文字主体局部有半透明成果,所以该花字成果解析的字幕轨道参数如下:

CS0002-000015花字SubtitleTrackClips参数解析:

{  "Type": "Text",  "FontSize": 130,  "Content": "阿里云剪辑",  "Y": 0.3,  "Spacing": 2,  "SizeRequestType": "Nominal",  "Alignment": "TopCenter",  "Font": "HappyZcool-2016",  "FontColor": "#00e6ff",  "FontColorOpacity": 0.5607843137254902,  "SubtitleEffects": [{      "Color": "#1be6ff",      "Type": "Shadow",      "Blur": 0.14,      "XBord": 0.02,      "YBord": 0.02,      "XShift": 0.04,      "YShift": 0.04,      "Opacity": 1.0    },    {      "Color": "#008c9e",      "Type": "Shadow",      "Blur": 0.0,      "XBord": 0.04,      "YBord": 0.04,      "XShift": 0.04,      "YShift": 0.04,      "Opacity": 1.0    },    {      "Color": "#29e6ff",      "Type": "Outline",      "Blur": 0.0,      "XBord": 0.02,      "YBord": 0.02,      "XShift": 0.04,      "YShift": 0.04,      "Opacity": 1.0    },    {      "Color": "#ffffff",      "Type": "Outline",      "Blur": 0.0,      "XBord": 0.02,      "YBord": 0.02,      "XShift": 0.0,      "YShift": 0.0,      "Opacity": 1.0    }  ]}

依照下面这个自定义花字的办法,咱们能够实现任意想实现的花字成果。下面这个探店营销短视频的timeline就这样实现进去了。

自定义花字营销视频Timeline:

{  "VideoTracks": [{    "VideoTrackClips": [{        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/cover.jpg",        "Width": 1,        "Height": 1,        "Type": "Image",        "AdaptMode": "Cover",        "ReferenceClipId": "speech_1",        "Effects": [{            "Type": "Text",            "Content": "敌人聚餐",            "Y": 0.5,            "FontSize": 100,            "Angle": "30",            "Alignment": "TopCenter",            "FontColor": "#FDC219",            "FontURL": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/AliHYAiHei.ttf",            "SubtitleEffects": [{                "Type": "Outline",                "Bord": 0.06,                "Color": "#FDFDFD"              },              {                "Type": "Outline",                "Bord": 0.02,                "Color": "#040404"              }            ]          },          {            "Type": "Text",            "Content": "同学聚会",            "Y": 0.6,            "FontSize": 100,            "Angle": "30",            "Alignment": "TopCenter",            "FontColor": "#FDC219",            "FontURL": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/AliHYAiHei.ttf",            "SubtitleEffects": [{                "Type": "Outline",                "Bord": 0.06,                "Color": "#FDFDFD"              },              {                "Type": "Outline",                "Bord": 0.02,                "Color": "#040404"              }            ]          },          {            "Type": "Text",            "Content": "家人团圆",            "Y": 0.7,            "FontSize": 100,            "Angle": "30",            "Alignment": "TopCenter",            "FontColor": "#FDC219",            "FontURL": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/AliHYAiHei.ttf",            "SubtitleEffects": [{                "Type": "Outline",                "Bord": 0.06,                "Color": "#FDFDFD"              },              {                "Type": "Outline",                "Bord": 0.02,                "Color": "#040404"              }            ]          },          {            "Type": "Text",            "Content": "共事团建",            "Y": 0.8,            "FontSize": 100,            "Angle": "30",            "Alignment": "TopCenter",            "FontColor": "#FDC219",            "FontURL": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/AliHYAiHei.ttf",            "SubtitleEffects": [{                "Type": "Outline",                "Bord": 0.06,                "Color": "#FDFDFD"              },              {                "Type": "Outline",                "Bord": 0.02,                "Color": "#040404"              }            ]          }        ]      },      {        "Comment": "火锅",        "MediaUrl": "https://your-bucket.oss-cn-shanghai.aliyuncs.com/%E7%81%AB%E9%94%85.mp4",        "Y": 0.3,        "Width": 1080,        "Height": 608,        "AdaptMode": "Cover",        "Effects": [{          "Type": "Background",          "SubType": "Blur",         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"Width": 1080,        "Height": 608,        "AdaptMode": "Cover",        "Effects": [{          "Type": "Background",          "SubType": "Blur",          "Radius": 0.1        }],        "ReferenceClipId": "speech_5"      }    ]  }],  "AudioTracks": [{    "AudioTrackClips": [{        "Type": "AI_TTS",        "Content": "周末就来阿云美食城吧",        "Voice": "zhimi_emo",        "ClipId": "speech_1"      },      {        "Type": "AI_TTS",        "Content": "这里有入口醇香的老北京火锅!",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "KaiTi",          "Spacing": 2,          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 70,          "AdaptMode": "AutoWrap",          "FontColor": "#FFFFFF",          "SubtitleEffects": [{              "Color": "#0420B6",              "Type": "Shadow",              "XBord": 0.07,              "YBord": 0.07,              "YShift": 0.06            },            {              "Color": "#F2213F",              "Type": "Shadow",              "XBord": 0.07,              "YBord": 0.07,              "YShift": 0.03            },            {              "Color": "#000000",              "Type": "Shadow",              "XShift": 0.01,              "YShift": 0.01            },            {              "Color": "#000000",              "Type": "Outline",              "XBord": 0.01,              "YBord": 0.01            }          ]        }],        "ClipId": "speech_2"      },      {        "Type": "AI_TTS",        "Content": "这里有香喷喷的烤羊肉串!",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "KaiTi",          "Spacing": 2,          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 70,          "AdaptMode": "AutoWrap",          "FontColor": "#FFFFFF",          "SubtitleEffects": [{              "Color": "#0420B6",              "Type": "Shadow",              "XBord": 0.07,              "YBord": 0.07,              "YShift": 0.06            },            {              "Color": "#F2213F",              "Type": "Shadow",              "XBord": 0.07,              "YBord": 0.07,              "YShift": 0.03            },            {              "Color": "#000000",              "Type": "Shadow",              "XShift": 0.01,              "YShift": 0.01            },            {              "Color": "#000000",              "Type": "Outline",              "XBord": 0.01,              "YBord": 0.01            }          ]        }],        "ClipId": "speech_3"      },      {        "Type": "AI_TTS",        "Content": "这里有无比鲜嫩的大鱿鱼!",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "KaiTi",          "Spacing": 2,          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 70,          "AdaptMode": "AutoWrap",          "FontColor": "#FFFFFF",          "SubtitleEffects": [{              "Color": "#0420B6",              "Type": "Shadow",              "XBord": 0.07,              "YBord": 0.07,              "YShift": 0.06            },            {              "Color": "#F2213F",              "Type": "Shadow",              "XBord": 0.07,              "YBord": 0.07,              "YShift": 0.03            },            {              "Color": "#000000",              "Type": "Shadow",              "XShift": 0.01,              "YShift": 0.01            },            {              "Color": "#000000",              "Type": "Outline",              "XBord": 0.01,              "YBord": 0.01            }          ]        }],        "ClipId": "speech_4"      },      {        "Type": "AI_TTS",        "Content": "还有各种陈腐蔬菜等你来品味~",        "Voice": "zhimi_emo",        "Effects": [{          "Type": "AI_ASR",          "Font": "KaiTi",          "Spacing": 2,          "Alignment": "TopCenter",          "Y": 0.65,          "FontSize": 70,          "AdaptMode": "AutoWrap",          "FontColor": "#FFFFFF",          "SubtitleEffects": [{              "Color": "#0420B6",              "Type": "Shadow",              "XBord": 0.07,              "YBord": 0.07,              "YShift": 0.06            },            {              "Color": "#F2213F",              "Type": "Shadow",              "XBord": 0.07,              "YBord": 0.07,              "YShift": 0.03            },            {              "Color": "#000000",              "Type": "Shadow",              "XShift": 0.01,              "YShift": 0.01            },            {              "Color": "#000000",              "Type": "Outline",              "XBord": 0.01,              "YBord": 0.01            }          ]        }],        "ClipId": "speech_5"      }    ]  }],  "SubtitleTracks": [{    "SubtitleTrackClips": [{        "Comment": "主题目",        "Type": "Text",        "Y": 0.05,        "FontSize": 200,        "Content": "阿云美食城",        "Spacing": 2,        "SizeRequestType": "Nominal",        "Alignment": "TopCenter",        "Font": "HappyZcool-2016",        "FontColor": "#F688AA",        "SubtitleEffects": [{            "Color": "#F688AA",            "Type": "Shadow",            "Blur": 0.30,            "XBord": 0.15,            "YBord": 0.15          },          {            "Color": "#FFFFA0",            "Type": "Shadow",            "Blur": 0.08,            "XBord": 0.08,            "YBord": 0.08          },          {            "Color": "#A33952",            "Type": "Shadow",            "XBord": 0,            "YBord": 0,            "XShift": 0.04,            "Opacity": 1.0          },          {            "Color": "#F5D2CC",            "Type": "Shadow",            "XBord": 0,            "YBord": 0,            "XShift": -0.04,            "Opacity": 1.0          }        ]      },      {        "Comment": "副标题",        "Type": "Text",        "Y": 0.2,        "FontSize": 100,        "Content": "味蕾盛宴",        "SizeRequestType": "Nominal",        "Spacing": 2,        "Alignment": "TopCenter",        "Font": "HappyZcool-2016",        "FontColor": "#F9FAFA",        "SubtitleEffects": [{            "Color": "#F4DF50",            "Type": "Shadow",            "Blur": 15,            "XBord": 7,            "YBord": 7          },          {            "Color": "#464120",            "Type": "Outline",            "XBord": 2,            "YBord": 2          }        ]      }    ]  }]}

以上视频制作中,没有任何工夫截取的参数设置,通过轨道对齐性能,实现口播和视频绝对齐,实现全流程自动化剪辑。轨道对齐示例文档请参考:

https://help.aliyun.com/document_detail/2507542.html

智能媒体服务IMS「云端智能剪辑」是基于云计算和人工智能技术的视频剪辑生产服务,能为用户提供直播剪辑、视频剪辑、模版工厂、数字人制作等外围性能,并可应用 AI 辅助剪辑生产。该产品可广泛应用于互联网、文化传媒、广告营销、教育金融等行业,满足企业进行规模、高效、便捷、智能的视频内容生产需要。

理解更多产品信息,请点击阿里云云端智能剪辑:https://www.aliyun.com/product/apsaravideo/ice/editor?spm=517...

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