Freesound Labs

Dear freesounders,

we are happy to announce that we’ve just launched a new Freesound-side site called Freesound Labs. Freesound Labs is a directory of projects, hacks, apps, research and other initiatives that use content from Freesound or use the Freesound API. Our aim is to keep on updating this directory as we come across more and more Freesound powered projects. If you know of projects that should be listed in this directory and are not there, please let us know 😉

We hope that you enjoy navigating Freesound Labs and getting to know what amazing things people are doing with content from Freesound. In the end, all this is possible thanks to all of your contributed sounds, so you can feel proud of it 🙂





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Introducing the Modular Samples library

Hi everyone,

We’re glad to announce that we’re in the process of uploading around 70GB of analog synthesizer samples to Freesound*, aka the Modular Samples library, consisting of 40,000 samples organised in 461 packs, recorded from 20 different analog synthesizers and released with the CC0 license !

All sounds are tagged with instrument names, note names, midi note numbers and, when available, different velocity layers. Check them out at

All this has been possible thanks to the incredible efforts of Richard Taylor, who has been creating this library for many years and has now kindly offered it to us to upload to Freesound. Make sure to check the Modular Samples library’s official page, facebook and soundcloud profiles. Thanks Richard!



* At the time of this writing we have only uploaded around 10% of the whole library, you can expect the upload process to continue during the following days…

UPDATE 10/7/2015: The Modular Samples library has been now completely uploaded!


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Problems processing sounds [fixed]

Hi everyone,

as some of you might have noticed, we’re having problems processing sounds. Don’t worry about your sounds, they’re safe and you can continue uploading, but they won’t be processed (and moderated) until the problems are fixed.

Thank you for your understanding, we’ll let you know when processing is up and running again!

[edit: problem has been fixed and sounds are being reprocessed]



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Special dare: celebrating 10 years of Freesound !!!

Yes, it is true: Freesound is 10 years old!
I am launching one of our friendly competitions celebrating the occasion. Find out more and get involved:

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10 years zip right past…

Dear Freesounders,

You maybe didn’t know this yet, but Freesound has just turned 10 this month! The project started out as an all-red website back in the days. It was built on rather shabby technology and has by now grown way beyond its initial goals. Way back in 2005 I took Xavier Serra‘s idea of “having a website where composers can exchange sounds” for ICMC 2005. I hacked together something rather rudimentary and invited some of my friends over. We started adding a few sounds and very quickly Freesound unexpectedly exploded into a massive sprawling community.

Freesound was rewritten from scratch to support the high demand and by now I’m no longer involved in Freesound on a fulltime basis: other amazingly capable people at the Music Technology Group have taken over while I moved a bit more to the background. I still keep an honorary position in Freesound as the “Self-Proclaimed Benevolent Dictator for Life” which is probably why I’m writing this happy post…! 😉

So, what about the next 10 year? Well, many plans are brewing!! As you might know, a lot of research is being carried out in the Music Technology Group, including plenty of research related to Freesound. Work is being done to improve the way in which sounds are stored, analysed and described. Improvements in searching and browsing would be a first result from this work. Improvements in uploading and describing sounds a second. The Freesound Team is also starting collaborations with third parties and preparing really exciting new research and development projects that will support Freesound in the coming years. Stay tuned, future looks promising!

So, what about some fun nerdy statistics?

  • 240 000 sounds, uploaded by 13 000 people. If all sounds were played after one another, Freesound would by now play for 146 days straight!
  • More than 4 million people have signed up to download sounds more than 65 million times.
  • More than 50 000 people visit us each day.

In order to celebrate this joyous day, one of our moderators who you all know as AlienXXX has created a new “Freesound Dare” that matches the 10 year anniversary theme! We dare you to join it!

Best Greetings,

Bram – in the name of the Freesound Team

PS: have you freed your sound today??!

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A new feature you’ll like…

Dear Freesounders,

It is christmas time (again), and the freesound team has prepared a present for you…
We have been working on a new functionality* which has just been deployed, and that will allow you to follow freesound users and get notifications when these users upload new sounds! But not only that, you’ll also be able to follow groups of tags, and be notified when new sounds are uploaded that have these tags. It all works in the following way:

  • When visiting a user profile, you’ll find a “Follow” button right under the user avatar. Click on this button to start following that user.
  • When browsing sounds by tags, you’ll find a “Follow tags” button under the group of tags that you selected for browsing. By clicking this button, you’ll start following sounds tagged with all of these tags.
  • In your settings page, you can tick the new checkbox that says “Receive weekly stream update email notifications” to turn on notifications for new sounds uploaded by the users you follow or with the tags you follow. We will only send you one email per week, with a summary of all updates, and we are only going to send that email if there are updates.
  • Once you start following users and tags, you can use your new activity stream page to show all updates from users and tags you follow. By default this page shows updates for the last week (just like the email notification), but you can also specify other periods of time and, for example, list sounds uploaded by the users you follow that were uploaded during the last month. You’ll find a link to the activity stream in your home page.

Hmmm.. that is all! We hope you enjoy this new functionality and, as always, please tell us if you find things that are not working as expected!

keep on Freesounding!

* thanks to nunoh who joined the team for a while and did most of the implementation of this functionality

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CCMixter needs your help

CCMixter, one of the first open platforms for Creative Commons music sharing out there is in trouble. The site was started by Creative Commons themselves many years ago, but understandably “let go” because Creative Commons is a legal organisation, not a music publishing one! Now CCMixter needs your help.

About 5 years ago the main creator and developer -good friend of!- had to move on to other things in life and the site was taking over by new management. Not wanting to turn the site into a commercial venture, CCMixter was kept on life support for as long as possible. A heap of volunteers are keeping the site up, but lately it is becoming too much work for the volunteers to keep up with the work. This is mostly due to some much needed development work.

CCMixter is now doing an indiegogo campaign to raise some funds for better hosting and development work – we thought you might want to know about this…

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Dare 30 – Support the developers

Hello Freesounders

Sometimes I promote the Freesound Dares (our friendly competitions) here on the main page. But sometimes I forget…
So, I am trying to make up for it, because this dare is definitely worth promoting.

This time the dare is not about samples at all. It is about recognizing, helping and encouraging free-software developers.
In particular, the developer of an android app called UFXLoops. – Don’t let the name fool you. This app is actually a DAW powerfull enough to allow you to build a complete music piece.
Full details of the dare are here:

Now, if you have only seen this now and you did not know about the dare, I have extended the deadline to 30 Nov 2014. So you still have time to participate!

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Dare-28 – a chance to have your music played on an online radio

Hello Freesounders

Just thought I would post here to raise awareness of the dare that is currently going on. The entry voted the best piece will be played on an online radio. It could be yours!
Read here for details and rules:

But hurry: deadline for submissions is 20 Sep 2014!

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Help us improve Freesound! (2.0)

Dear Freesounders,

some of you will already know that as part of our research towards improving Freesound, we’ve been working on a tag recommendation system for Freesound. The goal of this system is to make it easier for you to tag your sounds and at the same time to try to get more comprehensive sound descriptions. The better the sounds are described, the better Freesound will be 🙂

One year ago we opened an online experiment to evaluate the tag recommendation system that is currently implemented in Freesound. Your participation and feedback was very helpful, and since then we’ve been working on a new version which includes some radical changes that we think will be very useful. For that reason, we are opening now a new online experiment in which we want to compare the new system with the one currently implemented in Freesound.

The new experiment is called Freesound tagging experiment 2, and in it you’ll have to annotate a total of 15 sounds. In the experiment, not all of the participants will be using the new interface to annotate these sounds, so don’t be surprised if you only see the typical tag recommendation interface. After the experiment is finished, we will deploy a beta-testing version of the new interface so those who could not try it this time, will be able to do it later.

We kindly ask you to participate in the new experiment that we have set up at Please carefully read the instructions and follow all steps until the experiment is finished. It will take around 20 minutes.

So that is all for the moment, thank you very very very much in advance for your participation.  I hope you find the experiment interesting!

keep on Freesounding!

ps: you can leave comments and suggestions here

EDIT: Thank  you all for participating! The experiment has been closed now with almost 200 participants! We really appreciate your effort 🙂



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