Sonic EQ by Metric Halo is a modern version of the original Sonic EQ developed by Dr. James A. Moorer for Lucasfilm's SoundDroid project. It was later enhanced for the Sonic Solutions mastering DAWs and is now available for contemporary DAWs with enhanced features and capabilities.

Sonic EQ v4 offers a high-precision, six-band parametric equalizer designed for professional audio applications, including mixing, mastering, and post-production. Each band in the EQ supports 2nd to 8th order filters, utilizing a low-noise 64-bit state-space EQ structure, providing a full, sweet yet powerful musicality.

Key features of Sonic EQ v4 include:

• Six-band Parametric EQ: Each band supports high-order filters for precise frequency control.
• SpectraFoo™ Analysis: Built-in spectrum analysis and level metering for real-time visual feedback.
• Adjustable UI Size: Customizable interface to fit different screen resolutions and user preferences.
• High Musicality: Delivers a musical sound quality, suitable for a wide range of audio processing tasks.
• Special Filters: Includes laboratory-grade filters for vinyl (RIAA encode/decode) and early digital formats.
• Cross-platform Preset Manager: Ensures consistent settings across different DAWs and platforms.

Sonic EQ v4 is ideal for forensic restoration, sound design, high-end mastering, post-production, recording, re-recording, multi-tracking, or live sound, providing precision and versatility.