Freesound
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Screenshot Universitat Pompeu Fabra | |
Created by | Bram de Jong, Freesound Team |
---|---|
URL | freesound |
Commercial | No |
Registration | Yes and required |
Launched | April 5, 2005 |
Current status | Active |
Content license | Creative Commons |
Freesound is a collaborative repository of Creative Commons licensed audio samples, and non-profit organisation, with more than 500,000 sounds and effects (as of May 2021),[1] and 8 million registered users (as of March 2019). Sounds are uploaded to the website by its users, and cover a wide range of subjects, from field recordings to synthesised sounds. Audio content in the repository can be tagged and browsed by folksonomic means as well as standard text-based search. Audio content in the repository is also analysed using the open-source audio analysis tool Essentia, which powers the similarity search functionality of the site. Freesound has a RESTful API through which third-party applications can access and retrieve audio content and its metadata.
Licensing
Freesound originally used the
All of these licenses allow use and distribution of the samples (modified or unmodified) for non-commercial purposes, and in the case of CC0 and CC BY also for commercial purposes. The Sampling Plus license does not allow unmodified samples to be distributed commercially, and therefore, like CC BY-NC, fails the Definition of Free Cultural Works and the Debian Free Software Guidelines, and is not free enough to be used on Wikipedia, free software programs, and other projects requiring free content.
Release
The Freesound Project was officially launched on April 5,
Features
- Metadata tags
- GeoTagging
- Sample packs
- Remix tree
- Similarity search
- Sound Bookmarks
- Forum
- Follow users and tags
- Waveform display
- HTML5/Flash preview
- RESTful API
- CC licensing
The features of Freesound are designed to make the sound files on the website easy to index, search, and browse. Since the licenses used (except
Software architecture
The Freesound platform is based on technology developed by the Music Technology Group of the Pompeu Fabra University, Barcelona.
- Similarity searches based on automatically extracted audio features using Essentia[4] audio analysis tool.
- Spectral centroid waveform display[5]
The following web technologies are also used:
- Python scripting
- PostgreSQL database
- Apache Solr text search
References
- ^ "We just reached 500k sounds… and Freesound got faster! | the Freesound Blog".
- ^ Myers, Rob. (August 29, 2009). The Freesound Project. Retrieved May 20, 2017, from http://www.furtherfield.org/reviews/freesound-project Archived July 9, 2014, at the Wayback Machine
- ^ de Jong, B. (January 13, 2007). Major motion picture using Freesound sample!!! The Freesound Project Announcements / News. Retrieved July 6, 2010, from https://freesound.org/index.php?start=39 Archived July 16, 2011, at the Wayback Machine
- ^ Essentia website
- ^ Source code available here.