Voicemeeter Wake

A small native Windows (Win32) tray application that wakes up your headphones by restarting the Voicemeeter audio engine after a long silence.

You need to have Voicemeeter (any version) installed first to use this tool.

I wrote this tool for my headset; it may not work for yours. If it does, lucky you!

Why

Some(one of my) wireless headphones/headsets go into sleep after a period of silence and cannot self-wake on new audio playback. I have to manually reboot the headset every time, which is annoying. While investigating, I found that restarting the Voicemeeter audio engine re-initializes the output device and wakes them up. Every time audio returned, I still had to click "restart audio engine" in Voicemeeter to wake my headset. To avoid that, I wrote this tool that implements the silence-to-playback trigger using the official Voicemeeter Remote API.

How it works

• Detects the running Voicemeeter edition and installation path from the registry, loads the official VoicemeeterRemote64.dll from the installation to initialize the connection.
• You select one hardware output bus (A1..A3 on Banana, A1..A5 on Potato) that routes to your headset.
• After the selected output has been silent (level < silence threshold) for the configured "arm silence" time, the monitor is armed.
• The next time playback is detected (level ≥ play threshold for 3 consecutive samples), it sends Command.Restart = 1 to Voicemeeter, triggering the audio engine restart.
• A cooldown period and a fresh full silence window are required before it can trigger again, to avoid restart loops.

Build

Uses Pixi to provision the MinGW-w64 UCRT GCC 15 toolchain, CMake and Ninja:

pixi run configure   # CMake configure (Ninja, Release)
pixi run build       # build voicemeeter-wake.exe
pixi run test        # run the audio-monitor unit tests
pixi run run         # launch the app

The GCC runtime is statically linked. The executable uses Windows' system UCRT (ucrtbase.dll).

Usage

• Main window shows the selected outputs' peak level, monitor state, silence timer, restart stats and a concise operation log.
• Closing the window minimizes to the tray; right-click the tray icon for Show / Pause / Restart now / Exit.
• Settings are stored under HKCU\Software\VoicemeeterWake; run-at-startup uses the standard HKCU\...\Run key.
• Operation logs are kept in memory for the current process and are discarded when the application exits.

Notes

• Voicemeeter Standard exposes A1/A2 as one shared output level in the Remote API, so those two physical outputs cannot be monitored independently.
• Restarting the engine causes a short (~1 s) audio interruption; that is inherent to the wake-up mechanism.

Disclaimer

Unofficial third-party tool. Not affiliated with, endorsed by, or sponsored by VB-AUDIO SOFTWARE. Voicemeeter is a product of VB-AUDIO SOFTWARE; it is donationware, and its author welcomes all kinds of participations.

This project dynamically loads the VoicemeeterRemote64.dll that is already installed with Voicemeeter (via its registry UninstallString). The DLL is never bundled with or redistributed by this project.