Audio Over IP

Audio Over IP is a Windows application that allows you to stream raw¹ system audio over the network with low latency.

Features

• Sender Mode (Server): Broadcast your system's audio to multiple connected clients.
• Receiver Mode (Client): Connect to one or multiple senders and play the audio through one or multiple playback devices at once.
• Audio Resampling: Automatically handles sample rate conversion between different audio devices while offering multiple resampling algorithms to choose from.

Important Considerations

Security

The audio stream is not encrypted. Do not use this software for transmitting sensitive audio data on untrusted networks.

Bandwidth

Raw system audio can generate very high bitrates, so your network must be able to stream large amounts of data reliably in real time.

Example:
Audio device configuration (e.g. SteelSeries Sonar - Gaming):

• Channels: 8
• Bit depth: 24‑bit
• Sample rate: 96,000 Hz

Important note:
WASAPI always processes audio internally at 32‑bit, so the actual captured format becomes:

• Channels: 8
• Bit depth: 32‑bit
• Sample rate: 96,000 Hz

Resulting Bandwidth Requirement:
With only one client connected, the server already needs to transmit more than 24 Mbit/s.

Screenshots

Installation (Using the prebuilt binaries)

1. Download the the latest release here: Releases
2. Unzip the exe file to any location and run it
3. Done. The app is a portable and self contained exe file with no installation required

Manual Compilation & Development

Prerequisites

Since this application relies on the Windows Core Audio API (WASAPI), it is currently Windows-only.

To build and run the project from source, you need:

• Go (version 1.25 or later)
• Node.js (version 22.21 or later + npm)
• Wails CLI: Install it with go install github.com/wailsapp/wails/v2/cmd/wails@latest
• GCC Compiler: Required for CGO (e.g., MinGW-w64)

Compiling the code

1. Clone the repository:

   git clone https://github.com/ElTheLedge/Audio-Over-IP.git
   cd Audio-Over-IP

2. Check necessary wails dependencies:

   # WebView2, Nodejs and npm need to appear with status "Installed"
   wails doctor

3. Run in Development Mode: This will start the application with hot-reloading enabled for both backend and frontend.

   # The Wails CLI handles both Go and npm dependencies automatically
   wails dev

4. Build for Production: To create a standalone .exe file:

   # The Wails CLI handles both Go and npm dependencies automatically
   wails build

   The output binary will be located in the build/bin directory.

Tech Stack

• Backend: Go (Golang)
• Frontend: React, TypeScript, Vite
• UI Framework: Tailwind CSS, shadcn/ui, radix-ui
• App Framework: Wails v2
• Audio API: Windows Core Audio API
• Networking: Gorilla WebSocket

License

This Project is licensed under the EUPL License

Footnotes

1. "raw" as in 32-bit PCM (WAV formatted) Audio provided by the Windows Core Audio API ↩