Adding audio watermark

The audio watermark, or audio signature, embeds a user's personal information into the audio as an inaudible watermark if they record during a meeting. If the audio file is shared without permission, Zoom can help identify which participant recorded the meeting. 

Note: This option requires enabling the meeting options Only signed-in users can join the meeting or Only signed-in users with specified domains can join meetings.

This article covers:

• How to enable audio watermark
• How to request information on an audio file

Prerequisites for adding an audio watermark

• Account owner or admin privileges
• Zoom desktop client
  • Windows: 4.3.46185.0120 or higher
  • macOS: 4.3.53325.0120 or higher
  • Linux: 2.7.162522.0121 or higher
• Zoom mobile app
  • iOS: 4.3.0 (54294.0122) or higher
  • Android: 4.3.46193.0120 or higher

How to enable audio watermark

Account

To enable audio watermark for all users in the account:

1. Sign in to the Zoom web portal as an admin with the privilege to edit account settings.
2. In the navigation panel, click Account Management then Account Settings.
3. Click the Meeting tab.
4. Under Schedule Meeting, verify that Add audio watermark is enabled.
5. If the setting is disabled, click the toggle to enable it. If a verification dialog box appears, click Turn On to verify the change.
6. (Optional) If you want to make this setting mandatory for all users in your account, click the lock icon , and then click Lock to confirm the setting.

   Note: This will require the meeting options Only signed-in users can join the meeting or Only signed-in users with specified domains can join meetings to also be locked on.

How to request information on an audio file

If you need to know who recorded an audio file, submit a request to Zoom Support. In your request, include the Meeting ID, date and time of occurrence, and the recording file (video or audio file).

Note: The file must have audio of at least 2 minutes in length.