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Main research areas
- reconstruction of damaged audio signals
- reconstruction of archive audio signals
- compression of audio signals
- obtaining information from music signals
- measurement, analysis and identification of noise sources
- measurements in acoustics and electroacoustics
- analysis and modeling of electroacoustic and audio systems
- sound for virtual and augmented reality
Laboratory equipment
- Anechoic chamber with remote controlled positioning system
- Listening room with a multi-channel sound system meeting international recommendations for subjective listening tests
- Head and torso simulator for measuring communication devices and headphones
- Brüel & Kjæj Pulse LAN-XI measuring system, acoustic camera for noise source identification, intensity probe, laser vibrometer
- Audio analyzers Audio Precision APx500 series with extension for electroacoustic measurements
- Measuring systems for electroacoustics and NTi Audio sound level meters
- Software for simulation and measurement of spatial acoustics EASE, EASERA, Dirac, Reflex, omnidirectional sound source, binaural head and torso simulator for sound quality measurement
Research groups
Partners
- Commpanies: Honeywell, Audified
- Research institutions and schools: Acoustics Research Institute (ARI) of the Austrian Academy of Sciences (www.kfs.oeaw.ac.at/), University of Vienna (www.univie.ac.at/), École polytechnique fédérale de Lausanne (EPFL) (www.epfl.ch/), Université du Maine (www.univ-lemans.fr), Helmut-Schmidt-Universität (www.hsu-hh.de)
Main practical research results
- Hardware and software of the modular system for audio signal processing (http://www.audified.com/projekt/ft-ti1-495/page5/page5.html)
- Hardware and software for the spatial acoustic effects system (http://www.audified.com/projekt/ft-ta3010/page5/page5.html)
- Audio analyzer Audio FX Analyzer (http://splab.cz/en/research/zpracovani-akustickych-signalu/resene-projekty/audio-fx-analyzer-2)
- Surveillance system for audio broadcasting and streaming
- Software for removing the non-linear distortion of audio signals
- Plug-in module VST3 for synthesis of virtual microphone output from 3D microphone signals in A-format or B-format (http://splab.cz/en/download/software/virtualmic)
- Software for modeling and equalization of the linear distortion of sound systems
Main research publications
- Approximal operator with application to audio inpainting
- Audio Inpainting: Revisited and Reweighted
- A Survey and an Extensive Evaluation of Popular Audio Declipping Methods
- Fractional-Octave Filters for Energy-Efficient Noise Measurement for Sensor Networks
- Enhancement of Conventional Beat Tracking System Using Teager–Kaiser Energy Operator