SotF

About

SotF is ranked #10 of 23 in audio equalizer software on Inferse. It runs on Linux, macOS, Windows. There is a free plan.

Compared on audio equalizer software

Free plan

Yessotf.spinorama.org

System-wide control

Yessotf.spinorama.org

Parametric EQ

Yessotf.spinorama.org

Desktop operating systems

bothsotf.spinorama.org

Facts

Product

SotF is a free, open-source audio player and optimizer for sound in rooms and headphones.sotf.spinorama.org · 30 Sept 2026

Music playback

Its music player supports FLAC, MP3, AAC, ALAC, and Vorbis files.sotf.spinorama.org · 30 Sept 2026

Audio plugins

The product page lists more than 40 audio plugins, including EQ, compression, limiting, upmixing, binaural processing, convolution, and denoising.sotf.spinorama.org · 30 Sept 2026

Room correction

Room EQ measures and analyzes room response, then calculates correction filters to apply in a plugin chain.sotf.spinorama.org · 30 Sept 2026

Room EQ equipment

Room correction requires a measurement microphone and its calibration file, in addition to SotF and connected speakers.sotf.spinorama.org · 30 Sept 2026

Headphone EQ

Headphone EQ calculates parametric filters targeting the Harman curve and supports hundreds of measured headphone models.sotf.spinorama.org · 30 Sept 2026

Speaker EQ

Spinorama EQ provides correction for thousands of speakers from spinorama.org without requiring a microphone.sotf.spinorama.org · 30 Sept 2026

Audio export

SotF lists export support for CamillaDSP, Equalizer APO, EasyEffects, Wavelet, PipeWire, and Roon.sotf.spinorama.org · 30 Sept 2026

System audio

On macOS, a CoreAudio HAL virtual device can route audio from all apps through a configured SotF plugin chain.sotf.spinorama.org · 30 Sept 2026

Privacy

SotF says it collects no user data and uses no analytics, telemetry, cookies, or tracking.sotf.spinorama.org · 30 Sept 2026

Local processing

The application runs on the user's machine and does not upload music or listening history; speaker EQ queries the public Spinorama API for the searched speaker model.sotf.spinorama.org · 30 Sept 2026

Downloads

The download page lists macOS, Windows, and Linux releases, with stable desktop releases through platform stores and beta or command-line builds through GitHub Releases.sotf.spinorama.org · 30 Sept 2026

Support

Users can submit feedback or bug reports through GitHub and join the AudioScienceReview discussion linked from the product page.sotf.spinorama.org · 30 Sept 2026

Maker

The site credits SotF to Pierre F. Aubert.sotf.spinorama.org · 30 Sept 2026

Where it ranks on Inferse

• Best Audio Equalizer Software in 2026#10 of 23

Sources

• sotf.spinorama.org· checked 30 Sept 2026
• sotf.spinorama.org/guides/room-correction/· checked 30 Sept 2026
• sotf.spinorama.org/guides/headphone-eq/· checked 30 Sept 2026
• sotf.spinorama.org/guides/macos-daemon/· checked 30 Sept 2026
• sotf.spinorama.org/privacy/· checked 30 Sept 2026