Routes audio from programs to different audio devices on windows. (community updates)

Some random notes about Windows Audio Processing Objects (APOs).

DeskFX 2026: Ultimate Windows 11 Audio Enhancer for Desktop Sound Quality

Per-app audio routing for Windows 10 and 11: send one program to several output devices at once, each with its own delay compensation and volume. Tauri 2 + Rust on Windows Core Audio, no virtual audio driver.

Real-time system audio transcription and translation pipeline using Node.js, FFmpeg (dshow), and AssemblyAI Streaming.

Play audio through two headphones at the same time on Windows. Free app for dual audio output. Watch movies together with separate headphones. No drivers needed.

Virtual audio output for Windows that streams your PC's sound to AirPlay, Sonos, and UPnP speakers.

Python library for capturing audio from a specific process (PID). Built on WASAPI process loopback for Windows. Linux (ALSA/PulseAudio/PipeWire) and macOS (CoreAudio) support planned.

Modern fork and rewrite of Voicemeeter Windows Volume with improvements, bugfixes, updated libs, brand new UI and more.

A real-time multi-device audio router for Windows that simultaneously broadcasts system sound to multiple headsets or speakers via C# WPF and NAudio.

A portable (SDL) audio synthesizer / tone generator inspired by the Korg ER-1

Headphone virtual 7.1 surround on Windows: custom APO + VB-Cable + HeSuVi, live output switching

Windows audio control: app volume & device routing, live meters, quick panel, hotkeys, tray wheel, OSD, automation & CLI. ｜ Windows 按应用音量与设备路由、实时电平、快速面板、快捷键、托盘滚轮、OSD、自动化与命令行。

Set the default Windows audio device, adjust volume/mute, toggle "Listen to this device," and control audio enhancements from the command line. Scriptable CLI with an optional GUI, for the audio automation Windows gives you no clean API to do.

A portable (SDL) audio synthesizer / tone generator that allows users to draw oscillators and envelopes.

A small Windows utility to disable Bluetooth Hands-Free (HFP) mode. Prevents low-quality “headset” audio and keeps Bluetooth in stereo. Designed for games and apps that break sound quality.

🔊 Software volume bridge for Windows USB audio devices — makes taskbar and keyboard volume controls work correctly.

A Windows utility that monitors and maintains your default audio device settings.

Megaknob allows you to control the volume of individual applications and the system master volume using a single rotary encoder.

A mixing desk for your whole PC - switch audio devices, route apps to outputs, save scenes, and automate it all. Open-source Windows audio control layer. No account, no telemetry.