AES67 Network Audio Bridge
Networked audio for
every Mac app.
A virtual audio device that connects any macOS application to AES67 networks. PTP-synced, sub-millisecond latency, zero configuration required.
Latency
<1ms
Channels
2–64ch
Sample Rate
192kHz
Bit Depth
32bit
Features
PTP Sync
IEEE 1588 precision time protocol. Sub-microsecond clock sync with automatic master election and slave tracking.
RTP Streaming
AES67-compliant RTP transport. Send and receive multi-channel audio with configurable encoding and packet timing.
SAP Discovery
Automatic stream discovery via Session Announcement Protocol. See all available streams on your network instantly.
NMOS IS-04/05
Full AMWA NMOS Node and Connection API support. Interoperate with broadcast-grade infrastructure.
Multitrack Recording
Record incoming audio streams directly to WAV files. Single file, per-stream, or per-channel modes.
Web Dashboard
Built-in HTTP server with real-time meters, PTP status, and stream monitoring at localhost:8080.
Specifications
| Channels | 2–64, configurable |
| Sample Rates | 44.1 / 48 / 96 / 192 kHz |
| Bit Depth | 16 / 24 / 32 bit (L16, L24, L32) |
| Latency Presets | Low (~6ms), Normal (~10ms), Safe (~20ms) |
| PTP | IEEE 1588-2008, Slave + Master mode |
| Discovery | SAP / RFC 2974, NMOS IS-04 v1.3 |
| Connection | NMOS IS-05 v1.1 |
| IPC | POSIX shared memory, lock-free ring buffer |
| Platforms | macOS 13+, Apple Silicon & Intel |
Quick Start
Install the driver
sudo ./scripts/install_driver.shStart the daemon
sudo akulab-bridged -i en0 -m 239.69.0.1Select the audio device
System Settings → Sound → "Akulab Bridge"