# AudioFX > open-source equalizer app for LineageOS **Wikidata**: [Q131153403](https://www.wikidata.org/wiki/Q131153403) **Source**: https://4ort.xyz/entity/audiofx ## Summary AudioFX is an open-source equalizer application designed specifically for the LineageOS operating system. It functions as a mobile audio tool that allows users to adjust sound parameters freely, operating under a license that provides libre access to its original source code. ## Key Facts - **Software Type:** AudioFX is classified as an equalizer, a mobile app, and open-source software. - **Platform:** The application is built for LineageOS (Wikidata ID: Q28059734). - **Latest Version:** Version 2.2.0 (referenced November 12, 2024). - **Aliases:** Also known as "Audio FX." - **Licensing:** As open-source software, it is available for free use and redistribution with a permissive license. - **Source Access:** The software provides libre access to its original source code. ## FAQs ### Q: What is the primary function of AudioFX? A: AudioFX is an equalizer application that allows users to manipulate audio settings on mobile devices. It is specifically tailored for the LineageOS operating system. ### Q: Is AudioFX free to use? A: Yes, as an instance of open-source software, AudioFX is free for anyone to use and redistribute in its current state under a permissive license. ### Q: Can users modify the AudioFX source code? A: While the software provides libre access to the original source code, the definition of its software class notes that open-source licenses do not necessarily grant the right to modify the code, only to use and redistribute it. ### Q: Where can I find the current version of AudioFX? A: The most recent documented version is 2.2.0, with source references dating to November 12, 2024, available through repositories such as APKMirror. ## Why It Matters AudioFX represents the practical integration of open-source philosophy into the daily mobile user experience. As a core component of the LineageOS ecosystem, it solves the problem of audio customization without relying on proprietary, "black-box" solutions often found in commercial operating systems. By providing an equalizer that is open-source, it offers transparency regarding how audio processing is handled on the device. Furthermore, AudioFX exemplifies the broader impact of the open-source movement within the Android development community. It demonstrates how the libre access to source code—championed by the platform it runs on—can produce specialized tools that rival or enhance standard system utilities. It allows a global community of developers and users to verify the software's functionality, ensuring that the tool remains free and accessible, aligning with the foundational principles of open knowledge and collaboration. ## Notable For - **Ecosystem Integration:** It is the dedicated audio manipulation tool for the LineageOS operating system, a major open-source Android distribution. - **Open Standards:** It is a distinct example of open-source software applied to system-level hardware control (audio processing). - **Accessibility:** The software is notable for providing "libre access" to its codebase, distinguishing it from closed-source equalizer apps. - **Nomenclature:** It is identified alternatively as "Audio FX" in technical databases. ## Body ### ### Definition and Classification AudioFX is a mobile application defined within knowledge bases as an "open-source equalizer app for LineageOS." Structurally, it is an instance of three distinct classes: an **equalizer** (audio signal processing), a **mobile app** (software designed for portable devices), and **open-source software** (software with a permissive license). ### ### Technical Specifications The software is designed to operate on **LineageOS** (Wikidata ID: Q28059734), which is a free and open-source operating system for smartphones and tablets based on the Android mobile platform. The application has a documented version history, with the specific release **version 2.2.0** cited in records dated November 12, 2024. ### ### Open-Source Context and Licensing As an entity classified under open-source software, AudioFX adheres to the core principles of this software category. This classification implies that the software is released under a permissive license, granting users the right to freely use and redistribute the application in its current state. While the software provides "libre access" to its original source code—allowing for inspection and verification—the definition of its broader software class specifies that such access does not automatically confer the right to modify the code. This distinguishes it from proprietary software, where the source code is typically restricted and inaccessible to the end-user. AudioFX serves as a practical implementation of the "open knowledge" taxonomy, serving as a subclass of source-available and freely redistributable software. ### ### Media and Representation Visual documentation of the software is maintained in open knowledge repositories, such as the Wikimedia Commons file `LineageOS_21_J5_2016_AudioFX.png`, which depicts the application's user interface. The application is tracked across various knowledge bases under its primary label "AudioFX" and alias "Audio FX." ## References 1. [Source](https://www.apkmirror.com/apk/lineageos/audiofx-2/)