Speech Paragraph Labeling

Starting Labeling

1. Log in to the ModelArts management console. In the left navigation pane, choose Data Management > Label Data.
2. In the labeling job list, select a labeling type from the All type drop-down list, click the job to be performed based on the labeling type. The details page of the job is displayed.
   Figure 1 Selecting a labeling type
   
3. The job details page displays all data of the labeling job.

Synchronizing Data Sources

ModelArts automatically synchronizes data and labeling information from datasets to the labeling job.

To quickly obtain the latest data in the OBS bucket, click Synchronize Data Source on the Unlabeled tab page of the labeling job details page to add the data uploaded using OBS to the dataset.

Symptom:

After the labeled data is uploaded to OBS and synchronized, the data is displayed as unlabeled.

Possible causes:

Automatic encryption is enabled in the OBS bucket.

Solution:

Create an OBS bucket and upload data again, or disable bucket encryption and upload data again.

Labeling Audio Files

The labeling job details page displays the Unlabeled and Labeled tabs. The Unlabeled tab page is displayed by default.

1. In the audio file list on the Unlabeled tab page, click the target audio file. In the area on the right, the audio file is displayed. Click below the audio file to play the audio.
2. Select an audio segment based on the content being played, and enter the audio file label and content in the Speech Content text box.
   Figure 2 Speech paragraph labeling
   
3. After entering the content, click Label to complete the labeling. The audio file is automatically moved to the Labeled tab page.

Viewing the Labeled Audio Files

On the labeling job details page, click the Labeled tab to view the list of labeled audio files. Click the audio file to view the labeling information on the right.

Modifying Labeled Data

After labeling data, you can modify labeled data on the Labeled tab page.

• Modifying a label: On the labeling details page, click the Labeled tab, and select the audio file to be modified from the audio file list. In the right area, modify labeling information and click Label to complete the modification.
• Deleting a label: Click Delete in the Operation column of the target number to delete the label of the audio segment. Alternatively, you can click above the labeled audio file to delete the label. Then click Label.

Adding an Audio File

In addition to the data synchronized, you can directly add data on labeling job details page for labeling.

1. On the labeling job details page, click the Unlabeled tab, click Add data in the upper left corner.
2. Configure input data and click OK.
   Figure 3 Importing data
   

Deleting Audio Files

You can quickly delete the audio files you want to discard.

On the Unlabeled or Labeled tab page, select the audio files to be deleted, and then click Delete File in the upper left corner. In the displayed dialog box, select or deselect Delete the source files from OBS as required. After confirmation, click OK to delete the audio files.

If you select Delete the source files from OBS, audio files stored in the corresponding OBS directory will be deleted when you delete the selected audio files. Deleting source files may affect other dataset versions or datasets using those files. As a result, the page display, training, or inference is abnormal. Deleted data cannot be recovered. Exercise caution when performing this operation.

Managing Annotators

If team labeling is enabled for a labeling job, view its labeling details on the Annotator Management tab page. Additionally, you can add, modify, or delete annotators.

1. Choose Data Management > Label Data. On the My Creations tab page, view the list of all labeling jobs.
2. Locate the row that contains the target team labeling job. (The name of a team labeling job is followed by .)
3. Choose More > Annotator Management in the Operation column. Alternatively, click the job name to go to the job details page, and choose Team Labeling > Annotator Management in the upper right corner.
   Figure 4 Annotator management (1)
   
   Figure 5 Annotator management (2)
   

• Adding an annotator

  Click Add Member, select a member name, and click OK.

  Click Send Email in the Operation column to send the labeling job to the annotator by email.

• Modifying annotator information

  Click Modify in the Operation column to modify the role of the annotator.

• Deleting an annotator

  Click Delete in the Operation column to delete the annotator.