Windows Sound Scheme Registry Location and WAV Files

This article explains the exact locations where the Windows Registry Editor (Regedit) stores user-specific sound scheme events and their associated WAV audio files. It covers the primary registry paths under the current user hive, how the sound assignments are structured within those keys, and where the system references custom or default sound files.

The Primary Registry Key for Sound Schemes

Windows stores all user-specific sound scheme events, program associations, and assigned WAV file paths in the following registry location:

HKEY_CURRENT_USER\AppEvents\Schemes\Apps

Inside this path, sound events are organized by application and event type.

Registry Hierarchy and Structure

To locate specific sound events and their assigned audio files, navigate through the subkeys under Apps:

  1. Application Subkeys

    • .Default: Contains standard Windows system events (e.g., Asterisk, Critical Stop, Device Connect, Notification).
    • Explorer: Contains Windows Explorer-specific sounds (e.g., Empty Recycle Bin, Navigating).
    • Third-Party / Additional Applications: Custom applications that register sound events appear here under their own named subkeys.

  2. Event Subkeys
    Inside each application folder, you will find individual event keys representing specific actions (such as SystemHand, SystemNotification, or ActivatingDocument).

  3. Scheme State Subkeys (.Current and .Default)
    Under each individual event key, Windows creates subkeys for the available schemes:

    • .Current: Defines the audio file assigned to the event under the active sound scheme.
    • .Default: Defines the fallback audio file assigned to the “Windows Default” scheme.
    • [SchemeName]: Any custom sound schemes saved by the user will appear here as separate subkeys.

Locating the WAV File Path

To find or modify the audio file assigned to an event:

  1. Open Regedit and navigate to HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\[EventName]\.Current.
  2. Double-click the (Default) string value (REG_SZ) in the right pane.
  3. The Value data field contains the full file path to the .wav file (for example, C:\Windows\Media\Windows Background.wav).
  4. If the value data is blank, no sound is played for that event.

Supporting Registry Keys

Windows uses two adjacent keys under HKEY_CURRENT_USER\AppEvents to manage the Sound Control Panel interface: