Upgrade from ISL 1 to ISL 2, the transparent True Peak limiter with surround support up to 7.1.4 for mastering, post and broadcast.

ISL 2 uses the standardised True Peak algorithms of ITU-R BS.1770, including Apple afclip detection, preventing the inter-sample peaks that would otherwise cause distortion when audio is later converted to MP3 or AAC. Its TPlim control automatically adjusts the transfer curve for minimally invasive brick-wall protection, while auto-release monitors low-frequency content and adapts dynamically. Steering and ducking meters guide you to the right settings, whether you are preserving directional integrity or atmospheric ambience. This makes ISL 2 suitable for mastering for streaming services as well as broadcast, podcasts and audio for video.

Features

• True Peak limiting to ITU-R BS.1770-4 with Apple afclip detection
• TPmax limit and TPlim control
• Protection against distortion from MP3, AAC and other codecs
• Transparent end-of-chain limiting
• Surround support up to 7.1.4
• For mastering, broadcast, podcasts and video

Technical details

• Type: Upgrade (plug-in)
• Operating systems: Windows, macOS
• Plug-in formats: VST3, Audio Unit (macOS only), AAX
• Architecture: 64-bit
• Licensing: Internet connection required for activation
• Requirement: Upgrade – requires ISL 1

System requirements

• macOS 10.9 or later
• Windows 7 or later
• RAM: 1 GB

The licence is registered with the manufacturer at http://www.nugenaudio.com/register.php. You will receive your serial number and the download link by e-mail immediately after purchase.