Detecting explicit content in songs

We’ve done some research about how to automatically detect explicit content in songs using only the music itself, and no additional metadata. Since it’s a sensitive and subjective issue, we did not want to use a black-box model, but rather build a modular system whose decisions can be traced back…

Real-time Music Visualization on the iPhone GPU

“Hack as you are” — Story of a Hackathon at Deezer

Today, more and more employees decide to work for a company not only to climb the career ladder or for financial reasons, but in order to…

I went to a conference on tech leadership, and you should too

In the past few weeks, I got a lot of those. For some reason in our community (or at least, in the subset of it I am currently involved with), a tech conference should be about learning actual technical skills (this…

Women’s Voices — A Product Story

Part. 1: Women’s Voices — A Product Story Part. 2: Women’s Voices — A Brand Story Part. 3: Women’s Voices — A Data Story Part. 4: Women’s Voices — A…

From Paris to Bordeaux, an interview with Deezer’s CTO

On this (special) occasion, the…

Visualize your music DNA with Data

At Deezer, we take the world of music and make it personal. That’s why we designed Flow, your personal soundtrack, and a dynamic home page to help you find your perfect tracks in no time. But does personal content only revolve around music recommendation? Of course not! This article will…

Women & Hip-Hop

Playlist inspired by the article: Women & Hip-Hop playlist - Listen now on Deezer | Music Streaming nielswww.deezer.com Introduction Hip-Hop was born in 1973 on 1520 Sedgwick Avenue in the Bronx, NYC. On January 4th 2018, it became the most consumed music genre in the United States, surpassing rock for the first time in history. In between those years, Hip-Hop and especially rap music…

Releasing Spleeter: Deezer R&D source separation engine

In a nutshell We are releasing Spleeter to help the research community in Music Information Retrieval (MIR) leverage the power of a state-of-the-art source separation algorithm. It comes in the form of a Python Library based on Tensorflow, with pretrained models for 2, 4 and 5 stems separation. Spleeter will be presented…

Updating Kubernetes CA certificates the hard way

So buckle up; it might be a bumpy ride! The hard way yes, but automated! At Deezer, Kubernetes has…

Towards an Accessible Player

The “Able Player”, a fully accessible music player that we used as an example of best-practices. You can find out more about it here Earlier this year, Deezer hosted one of its regular Hackathons, giving developers from different teams the chance to collaborate on ad-hoc projects or fun ideas they…

Are you chilling right now? Contextualizing music recommendations

As you may know, Sonar Festival is one of the biggest electronic music festivals in Europe and takes place every June in Barcelona. Alongside the festival, Sonar organizes a technical challenge as part of the Sonar +D. For this event, Sonar has partnered with…

‘Hey Siri, play my Flow on Deezer’ (part 2): integrating SiriKit with Deezer

Following WWDC19 announcements, Deezer quickly decided to support Media Intent with SiriKit. To know more about all the benefits of integrating a voice assistant in your app, you can read this post written by Anna Louis, Product Owner of Voice at Deezer. Adding support of SiriKit…

A journey towards Atomic Design on Android

This expansion…

Back from Kubecon & CloudnativeCon Europe 2021: key learnings and takeaways

At Deezer, we think that taking part in the community is of utmost importance. Contributing to open source projects is the best way to do so, but participating in community events should not be overlooked. And when you work on Kubernetes platforms like we…

‘Hey Siri, play my Flow on Deezer’ (part 1.): a product introduction

Voice interactive devices and services have significantly spread over the last four years. Consequently, voice assistants have become smarter and more sophisticated in their ability to handle new and complex demands. Moreover, voice assistance has also become an available feature in more and more devices. In 2018, Apple announced that…

From 2 weeks to 15 minutes — How we optimized playlist generation

HAMR@ISMIR2018 — Deezer HQ

We hosted the 2018 ISMIR edition of the HAMR Hackathon. It was awesome, people from all over the world collaborated on fun and innovative research topics during two days. A lot of very cool projects emerged. Most of them won’t stick but some will, and that -you have to admit…

My first job as a Web Engineer, from doubt to fulfillment

This is what you’ll typically find in the ‘requirements’ section of a tech job vacancy: “Has strong knowledge in several languages, is “full-stack”, is able to create strong architecture, scalable and flexible, has experience in understanding large and complex code bases, must be proactive and organized, has a great team…

Women’s Voices — A Data Story

Part. 1: Women’s Voices — A Product Story Part. 2: Women’s Voices — A Brand Story Part. 3: Women’s Voices — A Data Story Part. 4: Women’s Voices — A…

What’s Right with Errors

You’re enjoying your app when suddenly an error message pops up, reading “Error: Something went wrong” Or you’re developing a new feature and attempting to interact with this outdated API that just returns NO when you call [Obscure.sharedManager doYourMagic] … And you’re frustrated!

Deezer at ICASSP 2017

I went to ICASSP in New Orleans to present a (small) part of the research done at Deezer in the R&D team. It was the opportunity to exchange with the community and gather much valuable knowledge and ideas. Our work was about using Convolutional Neural Networks (CNNs) to solve a…

Creating cron job vitals with Prometheus Pushgateway

Software Engineering is often all about automating what can be automated. That’s why we build cron jobs. cron is a utility that can be found in any Unix-like system, used to schedule tasks and commands that need to be executed repeatedly (i.e. every hour or every day). For example, we…

Some Fun with Deezer Data and Elastic Graph

A year ago the Elastic team released the Graph product, whose promise is to offer: a new way to discover, and explore, the relationships that live in your data. Here we will describe how Graph could be used on Deezer data to rebuild our “Similar Artists” feature. What do we…

Musicathon — Let’s Rock IT Innovation