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StartAITranscription

最終更新日:2024-10-22 15:07:04

1. API Description

Domain name for API request: trtc.tencentcloudapi.com.

Initiate the transcription bot. The backend will pull the stream through the bot to perform real-time speech recognition and deliver subtitles and transcription messages. The transcription bot supports two stream pulling modes, controlled by the TranscriptionMode field:

  • Pull the stream of the entire room.
  • Pull the stream of a specific user.

The server delivers subtitles and transcription messages in real-time through TRTC's custom messages, with CmdId fixed at 1. The client only needs to listen for the callback of custom messages. For example, see the C++ callback. Other clients, such as Android, Web, etc., can also be found at the same link.

A maximum of 20 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: StartAITranscription.
Version Yes String Common Params. The value used for this API: 2019-07-22.
Region Yes String Common Params. For more information, please see the list of regions supported by the product. This API only supports: ap-guangzhou, ap-singapore, ap-tokyo, na-siliconvalley.
SdkAppId Yes Integer TRTC's SdkAppId is the same as the SdkAppId used by the room that starts the transcription task.
RoomId Yes String TRTC's RoomId, which indicates the room number where the transcription task is started.
TranscriptionParams Yes TranscriptionParams Parameters of the transcription robot.
SessionId No String The unique ID passed by the caller is used by the server to deduplicate. Note: If this parameter is passed, the server will use it first to deduplicate. If this parameter is not passed, the server's deduplication strategy is as follows:
- If the TranscriptionMode field is 0, only one task can be opened in a room
- If the TranscriptionMode field is 1, only one task can be opened in a TargetUserId
RoomIdType No Integer The type of TRTC room number. 0 represents a numeric room number, and 1 represents a string room number. If not filled in, the default is a numeric room number.
RecognizeConfig No RecognizeConfig Speech recognition configuration.

3. Output Parameters

Parameter Name Type Description
TaskId String Used to uniquely identify a transcription task.
RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 example

Input Example

POST / HTTP/1.1
Host: trtc.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: StartAITranscription
<Common request parameters>

{
    "SdkAppId": 1234,
    "RoomId": "1234",
    "RoomIdType": 1,
    "TranscriptionParams": {
        "UserId": "abc",
        "UserSig": "abc",
        "MaxIdleTime": 60,
        "TranscriptionMode": 1,
        "TargetUserId": "abc"
    }
}

Output Example

{
    "Response": {
        "TaskId": "abc",
        "RequestId": "abc"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
FailedOperation.NotAbility Need to unlock the required ability
FailedOperation.NotAllowed This operation is not allowed, please submit a ticket to contact us
FailedOperation.SdkAppIdNotUnderAppId There is no resource for this SdkAppId In this AppId
FailedOperation.TaskExist Task already exists
InvalidParameter.UserSig UserSig is expired or wrong
InvalidParameter.UserSigNotAdmin
ResourceInsufficient.RequestRejection Insufficient resources.
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