LIMITr v1.0
Professional True Peak Limiter with Dual-Stage Processing.
Overview
LIMITr is a professional-grade true peak limiter designed for broadcast, streaming, and mastering applications. Featuring dual-stage limiting with independent transient and sustained processing, ITU-R BS.1770-4 compliant true peak detection, and eight algorithm styles, LIMITr delivers transparent loudness maximization without artifacts.
Built on a sophisticated dual-stage architecture, LIMITr separates transient and sustained signals for optimal processing. The transient stage features ultra-fast attack with program-dependent release, while the sustained stage provides smooth, adaptive envelope control. This approach preserves punch and dynamics while achieving maximum loudness.
LIMITr includes independent channel linking for transient and release stages, multiband sidechain filtering with optional clipper for bypassed frequencies, up to 16x oversampling, comprehensive LUFS metering, and linear phase filtering for surgical precision.
Key Features
⚙️ Dual-Stage Limiting Engine
- Transient Stage – Instant attack with algorithm-specific ultra-fast release
- Sustained Stage – Moderate attack with adaptive release
- Smooth Crossover – User-adjustable stage transition time (Attack knob, 0-30s)
- Program-Dependent Release – Automatic release adjustment based on limiting density
- Dual-Stage Release – Fast initial release + slow tail for natural decay
- Independent Channel Linking – Separate transient (0-100%) and release (0-100%) linking controls
- Precision Controls – Input Gain: 0-48dB | Ceiling: -100dB to +3dB
- Adaptive Lookahead – 0-10ms user-adjustable
🎚️ Eight Limiting Algorithms
- Transparent – Minimal coloration, balanced transient/sustained response
- Punchy – Enhanced transients, asymmetric character for kick/bass
- Dynamic – Adaptive response based on spectral content
- Allround – Versatile processing for general use
- Aggressive – Ultra-fast response optimized for D&B/EDM
- Modern – Clean, transparent limiting for loud mastering (>-6 LUFS)
- Bus – Gentle glue compression for submixes
- Safe – Conservative limiting with maximum headroom
🎯 True Peak Limiting (ITU-R BS.1770-4)
- Oversampled Detection
- Dual-Stage Protection
- Adaptive Headroom
- Program-Dependent Hold
🔗 Multiband Sidechain Processing
- Precision Frequency Filtering – Independent HPF and LPF
- Frequency-Selective Limiting – Optionally clip bypassed frequencies
- Enhanced Clipper – Soft/hard modes with transient preservation
- Algorithm-Specific Character – Clipper adapts behavior to match main algorithm
- Transient Detection – Automatically reduces clipping on detected transients
- Linear Phase Mode – Optional FIR filters (101 taps) for zero phase distortion
- Minimum Phase IIR – Ultra-low latency Butterworth filtering (default)
- External Sidechain – Optional external key input for creative ducking effects
🎵 Advanced Signal Processing
- Bass Protection – Frequency splitting prevents sub-bass over-limiting
- Spectral Weighting – Frequency-aware detection favors mid/high content
- Transient Detection – Real-time kick/snare identification for intelligent processing
- Dual Envelope Followers – Independent fast and slow envelopes track signal dynamics
- DC Blocker – Leaky integrator removes DC offset without affecting low frequencies
- Delta Mode – Listen to only the limited signal for precision auditing
- Unity Mode – Disable input gain for true 1:1 passthrough (analysis only)
⚡ Oversampling & Dither
- Up to 16x Oversampling – Polyphase IIR half-band filters for alias-free limiting
- Automatic Sample Rate Limiting – Oversample capped at high sample rates
- Latency Reduction – Dynamic latency scaling
- E-Weighted TPDF Dither – Noise-shaped dither for 16-bit or 24-bit output
- Triangular PDF – Optimal decorrelation prevents patterning
- Psychoacoustic Shaping – Frequency-dependent noise shaping reduces audibility
📊 Comprehensive LUFS Metering (ITU-R BS.1770-4)
- Integrated LUFS – Gated measurement for entire program (click to reset)
- Short-Term LUFS – 3-second windowed measurement
- Momentary LUFS – 400ms windowed measurement
- Max Momentary – Peak momentary value (click to reset)
- LRA (Loudness Range) – Dynamic range in LU units (click to reset)
- True Peak (dBTP) – ITU-R BS.1770-4 compliant peak measurement
- Max True Peak Hold – Persistent peak indicator (click to reset)
- K-Weighting Filters – Perceptually-weighted measurement
- Real-Time Display – Vertical input/output meters with gain reduction meter
- Clip Indicators – 300ms hold visual warning for peaks
- Mode Switching – Toggle between dBFS and LUFS display
🎛️ Professional Interface
- Resizable GUI – Maintains aspect ratio with smooth scaling
- Real-Time Metering – High-resolution input/output and gain reduction meters
- Direct Value Entry – Shift + double-click on knobs for numeric input
- Fine-Tune Mode – Shift + drag for ultra-precise parameter adjustment
- Floating Value Display – Context-sensitive parameter readouts
- Visual Feedback – Color-coded buttons indicate active processing states
- Informative Tooltips – Detailed parameter descriptions on hover
- Algorithm Color-Coding – Each algorithm has distinctive color for quick identification
Technical Details
| Plugin Type | VST3 |
| Supported OS | Windows 10+ |
| Space Required | 6MB |
| Version | 1.0 |
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