Evaluation of Head Movements in Short-term Measurements and Recordings with Human Subjects using Head-Tracking Sensors
Journal Title: Acta Technica Jaurinensis - Year 2015, Vol 8, Issue 3
Abstract
Measurements for spatial hearing research, binaural recordings, virtual reality techniques etc. often rely on Head-Related Transfer Functions of human subjects, head-tracking techniques etc. Individually measured HRTFs and recordings on human heads may result in more accurate localization and sound field rendering. On the other hand, the measurement and recording procedure raise new problems such as decreased signal-to-noise ratio or subject comfort. For measurements with human subjects lots of methods are used from free heads to different head fixations methods. This study analyses the range of unwanted head movements during measurements using different sensors and environmental conditions based on the circular angle variance, errors in yaw-pitch-roll directions and magnitude of standard deviation. Results show errors about 2 degrees and magnitudes of standard deviation of 2-8 cm depending on the situation as well as a preference for sitting instead of standing posture.
Authors and Affiliations
G. Wersényi, J. Wilson
Assessing the Need for Applying Multimodal Speed Distribution in Road Transport Macro Emission Estimation
Vehicles speed distribution is an important input parameter in lots of issues, such as kinematical traffic simulation model, road design, speed limit evaluation, road traffic noise prediction or vehicles emission estimat...
Characterisation of Diffuse and Local Necking of Aluminium Alloy Sheets using DIC Technique
This paper introduces a new method for the characterisation of the boundary of diffuse and local necking based on DIC measurements during tensile tests. A series of images illustrate the extension of diffuse necking and...
Individual Test Rig for Measuring the Creep Behaviour of Corrugated Board for Packaging
Corrugated board is one of the most important and most popular packaging materials worldwide for transporting goods. Due to its hygroscopic behavior, it has a tendency to creep when subjected to stress under a constant l...
Prediction of Electromagnetic Fields around High Voltage Transmission Lines
The electric and magnetic fields are present around the High Voltage Transmisssion Lines (HVTL) and reported to affect health of the workers working on these hotlines. The key parameter reportedly responsible for detrime...
A Simple Case of Pallet Setup Features Based Order Picking Routing Optimization
Order picking is the most labour-intensive and costly activities in many warehouses by consuming ca. 55 % of the total operating expenses. Order picking development strategies mostly concentrate on warehouse layout, stor...