Soundtheory Gullfoss

Spec sheet

Purpose

Gullfoss is an intelligent equalizer that analyzes audio and adjusts it to improve clarity, detail, spatiality, and balance.Read 7 Oct 2026 · soundtheory.com

Trial

The fully functional trial lasts two weeks and requires an iLok account and iLok License Manager.Read 7 Oct 2026 · soundtheory.com

Privacy

Soundtheory’s privacy notice says it may collect identity, contact, financial, transaction, technical, profile, usage, and marketing data, and says it does not collect special categories of personal data.Read 7 Oct 2026 · soundtheory.com

Headquarters

5 South Parade, Summertown, Oxford OX2 7JL, United KingdomRead 28 Sep 2026 · soundtheory.com

Founded

2016Read 28 Sep 2026 · soundtheory.com

Company

Soundtheory says it emerged in 2016 after nearly 14 years of research; its listed address is in Summertown, Oxford, United Kingdom.Read 7 Oct 2026 · soundtheory.com

Audio specifications

It supports mono or stereo processing, M/S-compatible stereo, and sample rates from 16 kHz to 384 kHz.Read 7 Oct 2026 · soundtheory.com

Auditory model

Its real-time analysis uses Soundtheory’s computational auditory perception model to identify audible elements competing for attention.Read 7 Oct 2026 · soundtheory.com

Editions

The product includes Gullfoss, Gullfoss Live for live mixing and tracking, and Gullfoss Master tuned for mastering.Read 7 Oct 2026 · soundtheory.com

Latency

The standard and Master editions have approximately 20 ms latency; Live has latency below 2 ms and handles transients differently.Read 7 Oct 2026 · soundtheory.com

License activations

Soundtheory says an iLok license provides two activations, using dongle, machine, or cloud activation.Read 7 Oct 2026 · soundtheory.com

License duration

Licenses purchased from June 16, 2024 are limited to 25 years; licenses purchased before that date are perpetual.Read 7 Oct 2026 · soundtheory.com

Mix balancing

Gullfoss can address balance issues between sound elements even when the individual tracks are unavailable.Read 7 Oct 2026 · soundtheory.com

Supported systems

The plug-in supports macOS 10.9 or later and Windows 7 or later, and requires a 64-bit host supporting AU, VST, VST3, or AAX Native.Read 7 Oct 2026 · soundtheory.com

Use cases

Soundtheory describes Gullfoss as suitable for amateur musicians through professional mastering engineers, and for mixing and mastering applications.Read 7 Oct 2026 · soundtheory.com

Plans and prices

Every Soundtheory Gullfoss plan and price →

Where Specifiction places it

• AI Audio Mixing Software#16 of 417.7
• Audio Plugins#18 of 407.7