Profileimage by Christian Hoelzel Audio-Enthusiast (Entwickler und Tontechniker) from Wien

Christian Hölzel


Last update: 12.02.2020

Audio enthusiast (developer and sound engineer)

Graduation: Technical University Vienna (Electrical engineering/Microelectronics)
Hourly-/Daily rates: show
Verhandelbar, projektbezogen
Languages: German (Native or Bilingual) | English (Full Professional)


digital signal processing Matlab audio production audio recording DSP MacOs Embedded C Programming Embedded C++ Embedded C/C++ Embedded development GIT (BitBucket) Sound engineering




Digital signal processing, MATLAB, C, C++, Git, Audio, Logic, Sound engineering

Project history

01/2010 - Present
Live sound engineer
Freelancer (< 10 employees)
• Concert sound mixing
• Operation of complex wireless microphone systems
• Production and tour management
• Clients: Cari Cari, Paul Plut, Viech, Inner Tongue, Haiyti, Sweet Sweet Moon, …
• Venues: Konzerthaus Vienna, Arena Open Air Vienna, Primavera Sound Barcelona, Sziget Festival Budapest, MS Dockville Festival Hamburg, Festsaal Kreuzberg Berlin, Paradiso Amsterdam, Paleo Festival Nyon, Pohoda Festival Trenčín, Great Escape Festival Brighton, Nova Rock Festival Nickelsdorf, Pin Festival Skopje, Posthof Linz, Orpheum Graz, ...

07/2017 - 12/2019
Freelance consultant and R&D engineer for Signal Processing
Wisycom (10-50 employees)
• Optimization and evaluation of signal processing algorithms in MATLAB
• Fixed-point conversion of MATLAB code for the implementation on FPGA

08/2014 - 06/2017
R&D Engineer for System Design and Signal Processing
AKG Acoustics (50-250 employees)
Development of a high-end digital wireless microphone system:
• Optimization and evaluation of signal processing algorithms in MATLAB and C
• Documentation of high-level use cases and flowcharts
• Research on the topic “Bidirectional Control Link”
• Management of subprojects in the form of embedded software tasks that were outsourced to the company’s site in India and to an external vendor in Denmark

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