创建文生音频任务

以下内容来自 Apifox 快照，可能包含兼容层字段或旧示例；公开调用请以本页的协议说明和当前模型列表为准。

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  "description": "官方文档:https://platform.vidu.cn/docs/text-to-audio",
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          "description": "文本提示词用于生成音频的描述。字符长度不能超过 1500 个字符"
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        "model": {
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          "description": "模型名称可选值：audio1.0"
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          "description": "Callback 协议\n需要您在创建任务时主动设置 callback_url，请求方法为 POST，当视频生成任务有状态变化时，Vidu 将向此地址发送包含任务最新状态的回调请求。回调请求内容结构与查询任务API的返回体一致\n回调返回的“status”包括以下状态：\n- processing 任务处理中\n- success 任务完成（如发送失败，回调三次）\n- failed 任务失败（如发送失败，回调三次）\nVidu采用回调签名算法进行认证，详情见：回调签名算法"
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        "duration": {
          "type": "string",
          "description": "音频时长默认 10，可选范围：2～10 秒内"
        },
        "seed": {
          "type": "string",
          "description": "\t随机种子随机种子，若不传或传0则自动生成随机数，传固定值生成确定性结果"
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