Devices capable of tracking the user's gaze have become significantly more affordable over past few years, thus broadening their application, including in-home and office computers various customer service equipment. Although such devices comparatively low operating frequencies limited resolution, they are sufficient to supplement or replace classic input interfaces, as keyboard mouse. The biometric application we researched verifies a identity based on parameters acquired with low-cost eye...

The paper aims to discuss a case study of sensing analytics and technology in acoustics when applied reverberation conditions. Reverberation is one the issues that makes speech indoor spaces challenging understand. This problem particularly critical large with few absorbing or diffusing surfaces. One natural remedies improve intelligibility such conditions may be achieved through speaking slowly. It possible use algorithms reduce rate (RoS) real time. Therefore, find recommended values RoS...

This project aimed to investigate the correlation between virtual reality (VR) imagery and ambisonic sound. With increasing popularity of VR applications, understanding how sound is perceived in environments crucial for enhancing immersiveness experience. In experiment, participants were immersed a environment that replicated concert hall. Their task was assess correspondence scenes (which differed reverberation times their characteristics) observed invariant visual scene. The research...

The aim of this paper is three-fold. First, the basics binaural and ambisonic techniques are briefly presented. Then, details related to audio-visual recordings a remote performance Academic Choir Gdansk University Technology shown. Due COVID-19 pandemic, artists had choice, namely, stay at home not perform or perform. In fact, staying brought in possibility creating developing art while working online. During first months lock-down, audience was satisfied with music performances that were...

Abstract This paper describes a novel way to measure, process, analyze, and compare respiratory signals acquired by two types of devices: wearable sensorized belt microwave radar-based sensor. Both devices provide breathing rate readouts. First, the background research is presented. Then, underlying principles working parameters sensor, contactless device for monitoring breathing, are described. The measurement protocol then presented, proposed algorithm octave error elimination introduced....

Abstract The aim of the paper was to compare acoustic field around open and stopped organ pipes. wooden pipe located in anechoic chamber activated with a constant air flow, produced by an external air-compressor. Thus, long-term steady state response possible obtain. Multi-channel vector sensor used measure sound intensity distribution radiated energy. Measurements have been carried out on defined fixed grid points. A specialized Cartesian robot allowed for precise positioning probe....

Dyslexia (dysgraphia) therapy is often boring for children and, what even worse, its results can be unsatisfactory. Hence, many therapists insist on development new methods which would more interesting young patients. The Smart Pen such a tool. It designed supporting the of developmental dyslexia, with particular regard to dysgraphia.

A scent emitting multimodal computer interface is an important supplement of the polysensoric stimulation process. Such plays essential role in education and therapy children with developmental disorders (e.g. case autism or ADHD). The engineered may be a part equipment so-called world experience rooms but can also used separately, therefore enhancing substantially educational software. Emitting scents facilitate learning new material during science lessons and/or make them more attractive;...

The described application of granular computing is motivated because cardiovascular disease (CVD) remains a major killer globally. There increasing evidence that abnormal respiratory patterns might contribute to the development and progression CVD. Consequently, method would support physician in pattern evaluation should be developed. Group decision-making, tri-way reasoning, rough set-based analysis were applied computing. Signal attributes anthropomorphic parameters explored develop...

Numerous researches indicate that dyslexia and dysgraphia are nowadays major problems in schools. Smart Pen is a tool for supporting the therapy of developmental dyslexia, with particular regard to dysgraphia. It comprises display monitor equipped high-sensitivity touchpad specially de signed writing pressure sensors. The paper put emphasis on issues related design device development software providing vital part interface. allows monitoring some interface parameters important from point...

Objective assessment of speech intelligibility is a complex task that requires taking into account number factors such as different perception each sub-bands by the human hearing sense or physical properties frequency band signal. Currently, state-of-the-art method used for assessing quality transmission index (STI). It standardized way objectively measuring of, e.g., an acoustical adaptation conference rooms public address systems. The wide use this measure and implementation on numerous...

Modern eye tracking technology provides a means for communication with patients suffering from disorders of consciousness (DoC) or remaining in locked-in-state. However, being able to use an tracker controlling text-based contents by such requires preserved reading ability the first place. To our knowledge, this aspect, although great social importance, so far has seemed be neglected. In paper, we presented possibility using eye-tracking assessing comprehension skills post-comatose minimal...

An experimental multimodal system, designed for polysensory diagnosis and stimulation of non-communicative subjects, with severe brain injuries is presented. The user interface uses an eye-tracking device EEG monitoring the subject. system evaluated on 9 patients, data analysis methods are described, experiments correlating Glasgow Coma Scale extracted features describing subjects performance in therapeutic exercises exploiting eyetracker Performance metrics proposed, k-means clusters used...

Measurements and visualization of acoustic field around an organ pipe are presented. Sound intensity technique was applied for this purpose. were performed in free field. The activated with a constant air flow, produced by external compressor, aimed at obtaining long-term steady state responses generated signal. energy distribution measured defined fixed grid points means multichannel vector sensor. For precise positioning the probe specialized Cartesian robot applied. Obtained results made...

Abstract The main goal of this research study is focused on creating a method for loudness scaling based categorical perception. Its features, such as: way testing, calibration procedure securing reliable results, employing natural test stimuli, etc., are described in the paper and assessed against that uses 1/2-octave bands noise (LGOB) growth estimation. Mann-Whitney U-test employed to check whether proposed statistically equivalent LGOB. It shown functions obtained both methods similar...

Abstract Background A lack of communication with people suffering from acquired brain injuries may lead to drawing erroneous conclusions regarding the diagnosis or therapy patients. Information technology and neuroscience make it possible enhance diagnostic rehabilitation process patients traumatic injury post-hypoxia. In this paper, we present a new method for evaluation possibility assessment such patients’ state employing future generation computers extended advanced human–machine...

This work presents an approach that integrates the results of measuring, analyzing, and modeling air flow phenomena driven by pressurized in a flue organ pipe. The investigation concerns Bourdon Measurements are performed anechoic chamber using Cartesian robot equipped with 3D acoustic vector sensor (AVS) acquires both pressure particle velocity. Also, high-speed camera is employed to observe jet coming out from windway. For purpose, steam resulting dry ice hot water used. A numerical...