System Requirements

Audio Pipeline

Kizuna handles audio entirely in native code (Rust). No GStreamer or other media framework is required for voice chat.

Required System Packages

Linux

Package	Purpose
alsa-lib / libasound2	Audio device access (ALSA backend)
pipewire or pulseaudio	Audio server
pipewire-pulse	PulseAudio compatibility layer (required on PipeWire systems)
paplay (from pulseaudio-utils or pipewire-pulse)	Audio output subprocess

Arch:

sudo pacman -S alsa-lib pipewire pipewire-pulse

Debian/Ubuntu:

sudo apt-get install libasound2 pipewire pipewire-pulse

Fedora:

sudo dnf install alsa-lib pipewire pipewire-pulse

macOS

No additional packages required. CoreAudio is used natively.

Windows

No additional packages required. WASAPI is used natively.

Screen Capture

Linux

Screen capture on Linux requires a Portal-compatible desktop environment (GNOME, KDE, etc.). On Wayland, the xdg-desktop-portal service must be running.

macOS

Screen capture requires the app to be granted screen recording permission in System Settings > Privacy & Security.

Server Requirements

Resource	Minimum
CPU	2 cores
RAM	512 MB
Storage	1 GB (grows with uploaded files)
Network	UDP ports 40000-40099 open for WebRTC