I-APX

Adaptive Spectral Limiting
Uses CEDAR’s proprietary adaptive limiting technology to increase loudness while preserving transparency, depth, and musicality.

Spectral Limiting Engine
Calculates continuously changing spectral profiles that control peaks while maintaining the integrity of the original signal.

Loudness Maximization
Increases perceived loudness without relying on conventional single-band or multi-band limiting approaches.

High-Resolution Low Frequency Processing
Provides enhanced precision in bass-heavy material for greater loudness and transparency.

Transparent Peak Control
Constrains peak levels while retaining clarity, detail, and overall sonic integrity.

Spectral Control
Adjusts how independently limiting reacts across different frequency regions, ranging from classic limiter behavior to detailed spectral shaping.

Variable Tonal Character
Allows engineers to create richer, weightier sounds or brighter, smoother results through spectral adjustment.

Temporal LF Control
Controls how quickly limiting adapts in low-frequency regions, influencing warmth, loudness, and character.

Temporal HF Control
Controls adaptation speed in high-frequency regions for shaping brightness and smoothness.

Frequency-Dependent Processing
Applies different limiting behavior across the spectrum for more musical and transparent results.

Adaptive Attenuation Profiles
Continuously generates attenuation curves that change over time and frequency according to the audio content.

Link Control
Provides continuously variable control over channel linking and stereo image preservation.

Stereo Soundstage Preservation
Maintains the apparent position of instruments and sounds during limiting.

Independent Channel Processing
Can process channels separately for maximum loudness and flexibility.

Fully Linked Limiting
Can apply the same attenuation across channels to preserve stereo imaging.

Continuously Variable Channel Linking
Allows precise adjustment between completely independent and fully linked operation.

Enhanced Warmth and Vibrancy
Link processing helps maintain natural energy and richness in stereo material.

Predictive Transient Management
Uses additional latency to anticipate and manage transients with greater precision.

Improved Transient Clarity
Preserves the impact and definition of transient material while controlling peaks.

Smooth Limiting Response
Produces smoother gain reduction with reduced pumping and distortion.

Consistent Loudness Control
Maintains stable loudness levels while minimizing unwanted limiting artifacts.

Gain Control
Drives incoming audio into the limiter to achieve the desired amount of loudness enhancement.

Ceiling Control
Sets the maximum output level for clipping protection and delivery compliance.

True Peak Limiting
Functions as a True Peak limiter when oversampling is enabled.

Oversampling Processing
Detects and controls intersample peaks for more accurate limiting.

Intersample Peak Detection
Accounts for peaks that occur between digital samples to prevent overs.

Quantisation Control
Provides selectable output word lengths and mastering-grade delivery options.

Noise Shaping Options
Includes refined dithering and noise shaping for final output preparation.

Integrated Metering
Provides visual monitoring of input, output, peak levels, and limiting activity.

Attenuation Profile Display
Shows minimum and peak attenuation across the frequency spectrum in real time.

Mastering Optimized
Designed specifically for mastering applications requiring high loudness and transparency.

Streaming Delivery Ready
Suitable for preparing audio for streaming platform distribution.

Broadcast Production Ready
Supports professional broadcast mastering and delivery workflows.

Post Production Limiting
Provides precise loudness control for post-production projects.

Dialogue Mastering Support
Offers detailed loudness management for dialogue-focused content.

Classical Music Mastering
Adds loudness and weight while maintaining transparency and dynamics.

EDM Mastering
Enhances energy, depth, and loudness for electronic music production.

Creative Limiting Character
Can produce subtle coloration or stronger musical saturation when driven harder.

Single User License
Licensed for individual users.

Digital Download
Available as a downloadable software product for Mac and Windows systems.

iLok Authorization
Authorized using a physical iLok device or iLok Cloud.

Cross-Platform Support
Compatible with macOS and Windows operating systems.

Professional Plug-In Formats
Supports AAX Native, AU, and VST3 formats for integration with major DAWs.

Works in Major DAWs
Compatible with professional audio and video hosts supporting standard plug-in formats.

General Specifications
Product Type: Adaptive Limiter Plug-In
Product Identifier: I-APX
Processing Function: Loudness Maximization And Peak Limiting
Technology: Adaptive Limiting And Spectral Limiting
Application: Mastering, Broadcast, Post Production, Dialogue Processing
License Type: Single User License
Authorization Method: Physical iLok Or iLok Cloud
Platform Support: macOS, Windows

Core Technology
Adaptive Limiting: Yes
Spectral Limiting: Yes
Dynamic EQ-Based Limiting: Yes
Multi-Band Processing: Yes
Continuously Variable EQ Profiles: Yes
Channel-Independent Processing: Yes
Transparency Preservation: Yes
Soundstage Preservation: Yes
Depth Preservation: Yes
Transient Prediction: Yes
Lookahead Processing: Yes

Limiting Features
Peak Limiting: Yes
Adaptive Peak Control: Yes
Loudness Maximization: Yes
Transient Management: Yes
Clipping Prevention: Yes
Intersample Peak Detection: Yes
True Peak Limiting: Yes
Oversampling Support: Yes
Low-Frequency Resolution Enhancement: Yes
Stereo Image Control: Yes

Processing Controls
Gain: Yes
Ceiling: Yes
Link: Yes
Spectral Control: Yes
Temporal LF Control: Yes
Temporal HF Control: Yes
Oversampling: Yes
Quantisation: Yes

Gain Control
Function: Input Drive Prior To Limiting
Purpose: Loudness Maximization

Ceiling Control
Function: Maximum Output Level Setting
Purpose: Clipping Protection And Delivery Compliance

Link Control
Function: Stereo Channel Coupling Adjustment
Operation Range: Independent Channel Limiting To Fully Linked Limiting
Purpose: Stereo Soundstage Control

Spectral Control
Function: Spectral Limiting Character Adjustment
Higher Settings: Richer And Heavier Tonal Balance
Lower Settings: Brighter Or Smoother Tonal Balance

Temporal Controls
Temporal LF Control: Low-Frequency Profile Change Rate
Temporal HF Control: High-Frequency Profile Change Rate
Purpose: Dynamic Spectral Response Adjustment

Oversampling
Function: Intersample Peak Detection And Control
True Peak Operation: Enabled When Oversampling Is Active
Clipping Prevention: Enhanced

Quantisation
Output Bit Depth Selection: Yes
Noise Shaping: Yes
Delivery Optimization: Yes

Metering
Integrated Metering: Yes
Loudness Monitoring: Yes
Peak Monitoring: Yes
Output Level Monitoring: Yes
Gain Reduction Monitoring: Yes

Processing Characteristics
Enhanced Transient Clarity: Yes
Transparent Limiting: Yes
Reduced Pumping Artifacts: Yes
Reduced Distortion: Yes
Consistent Loudness Control: Yes
High-Efficiency Processing: Yes

Applications
Mastering: Yes
Post Production: Yes
Broadcast Production: Yes
Dialogue Processing: Yes
Streaming Content Preparation: Yes
EDM Mastering: Yes
Classical Music Mastering: Yes
Loudness Compliance Processing: Yes
Final Mix Processing: Yes

Plug-In Formats
AAX Native 64-Bit: Supported
AU: Supported
VST3: Supported

DAW Compatibility
Host Compatibility: Major Audio And AV Hosts Supporting AAX, AU And VST3

Operating System Requirements
macOS: OS X 10.13 Or Later
Windows: Windows 10 64-Bit Or Later

Pro Tools Compatibility
Pro Tools 12 Ultimate 64-Bit: Supported
Pro Tools 2018 Ultimate 64-Bit: Supported
Pro Tools 2019 Ultimate 64-Bit: Supported
Pro Tools 2021 Ultimate 64-Bit: Supported
Pro Tools 2022 Ultimate 64-Bit: Supported
Pro Tools 2024 Ultimate 64-Bit: Supported

Licensing
Authorization: iLok USB Key Or iLok Cloud
Delivery Method: Digital Download