语音同步合成WebSocket接口

前提条件

1. 本接口目前仅支持“华北-北京四”和“华东-上海一”区域使用，且必须提交工单申请开通后才能使用。
2. 使用本接口前，需要在MetaStudio控制台服务概览页面，开通“声音合成”的按需计费。

   详细操作为：单击“声音合成”卡片中的“去开通”，在弹出的“开通按需计费服务提示”对话框中，勾选同意协议。单击“确定”，开通按需计费。开通后的效果如图1所示。

   如需使用第三方声音进行语音合成，请购买出门问问声音套餐。

   图1 声音合成
   

功能介绍

该接口用于TTS流式合成音频，用于文本转化为语音，并实时返回合成的音频数据。

调用方法

1. 构造请求

   请求URL：wss://metastudio-api.{region}.myhuaweicloud.com:443/v1/{project_id}/ttsc/jobs

   region当前仅支持下述区域：

   • 华北-北京四：cn-north-4
   • 华东-上海一：cn-east-3

   project_id取值，详见获取项目ID。

2. 认证鉴权

   header需要增加X-Auth-Token字段用于鉴权。获取认证鉴权的方式，详见认证鉴权。

3. 发送请求

   发送请求的流程如下所示：

   1. 建立WebSocket连接。
   2. 发送音色模型预加载请求。
   3. 发送TTS合成请求，详见请求参数。

请求参数

请求示例

TTS语音合成请求示例，如下所示：

{
    "text": "<speak>是唐代诗人白居易创作的一首长篇叙事诗，此诗可分为三大段，从“汉皇重色思倾国”至“惊破霓裳羽衣曲”共三十二句为第一段。汉皇重色思倾国，御宇多年求不得。杨家有女初长成，养在深闺人未识。</speak>",
    "command": "START",
    "job_id": "a74dd97c243**********da7c4359ae4",
    "config": {
        "speed": 100,
        "pitch": 100,
        "volume": 140,
        "sample_rate": "auto",
        "business_type": "xxx",
        "voice_asset_id": "a74dd97c243**********da7c4359ae4"
    }
}

响应参数

响应示例

成功响应示例，如下所示：

{
	"error_code": "0",
	"error_msg": "SUCCESS",
	"job_id": "faf94e21c066**********a733740f8e",
	"is_end": false,
	"voice_data": "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",
	"sample_rate": "16000"
}

错误码