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Lawo VSC

Virtual Audio Device and App for macOS

A virtual audio device for macOS, Lawo VSC runs as a service without constraints beyond those imposed by the hardware, turning your local audio into clean, pristine RAVENNA/AES67 streams that can be shared on any AoIP network, and allowing you to receive audio streams.

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Modern broadcasting and audio infrastructures rely on AoIP networks, multi-channel audio as well as desktop and laptop ­computers. Lawo VSC is a powerful audio application designed specifically for macOS Sonoma (Version 14) and beyond on Apple workstations and laptops.

Supporting sampling rates of up to 96kHz, Lawo VSC is pure software built around a professional, low-latency driver with up to 128 audio channels per virtual audio device. On the network side, Lawo VSC carries uncompressed, bi-directional audio channels for up to 128 streams per virtual audio device—either in multicast or unicast mode.

Download the free version of Lawo VSC
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Connect Lawo VSC with any studio hardware or software

With Lawo VSC, users can connect any studio hardware or software they choose from the ever-expanding RAVENNA/AES67 universe. Open AoIP standards, including SMPTE ST2110 for audio transport and ST2022-7 for redundant setups, are also supported, turning Lawo VSC into a Swiss Army knife for a variety of professional audio and broadcast applications.

Lawo VSC is available in two versions. The free version, available for download from Lawo’s website, supports 1 virtual audio device with 2-channel senders and receivers on a single network interface. The Standard version of Lawo VSC provides the features described above and below.

Lawo VSC supports both light and dark modes.

Key Features Lawo VSC

  • Free and licensed versions
  • Intuitive user interface with light or dark appearance
  • PPM audio level meters for each audio channel
  • 1kHz test tone generator on any outgoing stream
  • Pre Listen function using any external or built-in audio device
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Specifications

Lawo VSC Specifications
Lawo VSC – Free version  Lawo VSC – Standard version 
Number of virtual audio devices 1 Up to 128
Number of senders and receivers Up to 2 Up to 128
Ins/Outs per virtual device Up to 2 Up To 128
Audio channel support per stream Up to 2 1~64
Sampling rates 44.1kHz, 48kHz 44.1~96kHz
PPM audio level meters Yes
1kHz test tone generator Yes
Pre-listen function Yes
Synchronization options PTP PTP or sync to incoming stream
Minimum packet time on senders 1ms 0.125ms
Streaming modes Unicast, Multicast
SMPTE 2022-7 (redundant stream support) — Yes
Stream announcement and discovery mDNS and SAP
Lawo HOME support Yes
Ember+ support Yes
NMOS support (IS-04/05) Yes (via Lawo HOME)
Transferable license — Yes
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