Essential Information About NUGEN ISL 2 Software
- Transparent True Peak limiter with look-ahead for reliable "brick-wall" limiting compliant with modern standards.
- TPlim and Auto Release control for automatic, precise, and inaudible protection, even on bass-heavy content.
- Innovative visual metrics (steering and ducking) to preserve the original soundstage and ambiance.
- Stereo and surround compatibility up to 7.1.4, ideal for mastering, post-production, and broadcast.
What NUGEN ISL 2 Is Used For
ISL 2 is designed to cleanly cap "inter-sample" peaks and ensure True Peak compliance across all types of programs: music, podcasts, video, cinema, and broadcast. Positioned at the end of the chain, it prevents codec-related distortions (MP3, AAC, etc.) and delivers masters optimized for streaming services while preserving dynamic integrity and spatialization.
Main Features
Standardized True Peak Limiting
Based on the True Peak algorithms from the ITU-R BS.1770 recommendation (including Apple "afclip" detection), ISL 2 provides compliant and reliable limiting for music, post-production, and broadcast. A dedicated "TPmax" mode facilitates meeting delivery criteria.
Intelligent and Transparent Protection
The TPlim control automatically adjusts the transfer curve for minimal yet effective protection. The Auto Release follows the content in real time, adapts to low frequencies, and avoids artifacts even in demanding situations.
Metrics That Guide Your Settings
The steering and ducking indicators offer clear insight into the limiter's action. ISL 2 analyzes the incoming spectral content and applies micro-adjustments to enhance transparency without sacrificing ease of use.
Optimized for Streaming and Broadcast
Manage your levels confidently for Apple Music, Spotify, Tidal, and broadcast without fear of inter-sample reconstruction errors. ISL 2 protects your masters from transcoding distortions and ensures faithful translation across all platforms.
Technical Specifications
System Requirements
- macOS: 10.9 or later
- Windows: Windows 7 or later
- Memory: Minimum 1 GB RAM
Supported Plug-in Formats
- macOS: VST-3, AU, AAX
- Windows: VST-3, AAX
Standards and Compliance
- True Peak algorithms compliant with ITU-R BS.1770 (revisions up to BS.1770-4)
- Apple "afclip" inter-sample peak detection
- "Brick-wall" limiting with TPmax adjustment
Features
- Transparent look-ahead for handling instantaneous peaks
- TPlim control with automatic curve adjustment
- Adaptive Auto Release to prevent distortion
- Steering and ducking metrics to preserve directionality and ambiance
- Management of inter-sample clips and protection during data compression (MP3, AAC, etc.)
Channel Compatibility
- ISL 2st: Mono and Stereo
- ISL 2: Surround up to 7.1.4 (post & film)
- ISL 2st DSP & ISL 2 DSP: Avid HDX compatible editions (ISL 2 DSP up to 7.1.2, not 7.1.4)
Available Editions
- ISL 2st - Mono/Stereo production
- ISL 2 - extended surround compatibility
- ISL 2st DSP & ISL 2 DSP - for Avid HDX systems
Typical Applications
- Mixing and mastering for streaming services
- Broadcast-compliant audio and Apple "afclip" inter-sample monitoring
- Transparent limiting at the end of the chain and protection of downstream compression
- Quality preservation for podcasts and high-resolution files
- Loudness and audio compliance for video production
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