Master Thesis, Removal of noise from speech

Background of thesis project
The acoustic operator environment is essential for Volvo Construction Equipment machines. Our cabins are known for their low internal noise levels and that operators will experience a productive work shift in this environment. In order to further refine this environment we seek solutions for improved communication with the machine and its operator. This communication solution should ideally work regardless of whether the operator or speaker are located on the inside or outside of the cabin or working remotely.
Our work at Volvo CE is now focused on electrical, remote controlled and autonomous machines. Please see the following link for more information: https://www.dn.se/ekonomi/fjarrstyrda-hjullastare-och-forarlosa-dumprar-uppkopplade-mot-5g-nat-framtiden-for-volvo/
Suitable background

The student/students should have a background in Signal Processing or similar, with good MATLAB programming skills.
Description of thesis work
In this thesis work the target is to develop methods for removing background machine noise from relevant sounds such as speech. The project is split in two parts, depending on whether there are one or two students. It can also be seen as a core part and an optional part, if there is only one student.
There are two approaches that should be tested, but the project could be limited to either one of them, if there is only one student doing the work. The approaches to be implement and evaluate are blind source separation or adaptive noise cancellation.
Thesis Level: Master

Language: Swedish or English

Starting date: 2020-01-13

Number of students:1 or 2

Tutor
Nicklas Frenne Specialist Sound Quality 016-541 4726


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The Volvo Group is one of the world’s leading manufacturers of trucks, buses, construction equipment and marine and industrial engines under the leading brands Volvo, Renault Trucks, Mack, UD Trucks, Eicher, SDLG, Terex Trucks, Prevost, Nova Bus, UD Bus and Volvo Penta.

Volvo Construction Equipment is a global company driven by passion, curiosity and by our purpose: to build the world we want to live in. We believe that only through imagination and teamwork can we develop a world that is cleaner, smarter and more connected. Our company culture reflects this belief through the care and trust it places in our customers, employees and suppliers. People are at the heart of our business. It is through our strong network of talented, enquiring and innovative minds that we have been able to pave the way towards a more sustainable future. The global construction industry is our arena and our employees are our greatest assets.

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