The Modified Bark Spectral Distortion (MBSD), used for an objective speech quality measure, was presented previously [1]. The MBSD measure takes into account the noise masking threshold in order to use only audible distortions in the calculation of the distortion measure. Preliminary simulation results have shown improvement of the MBSD over the conventional BSD. In this paper, performance of t...

Alteration of defibrillation threshold by antiarrhythmic drugs: a theoretical framework" (1981). Weldon School of Biomedical Engineering Faculty Publications. Paper 84.

BACKGROUND There is a paucity of work addressing the distractive, affect-enhancing, and motivational influences of music and video in combination during exercise. PURPOSE We examined the effects of music and music-and-video on a range of psychological and psychophysical variables during treadmill running at intensities above and below ventilatory threshold (VT). METHODS Participants (N = 24...

A linear threshold element computes a function that is a sign of a weighted sum of the input variables. The best known lower bounds on the size of threshold circuits are for depth-2 circuits with small (polynomial-size) weights. However, in general, the weights are arbitrary integers and can be of exponential size in the number of input variables. Namely, obtaining progress in lower bounds for ...

A sample of 20 men (10 right-handed, 10 left-handed) was selected. Using the method of constant stimuli, the number of correct responses and the differential threshold for weight and roughness for both hands, were studied. The findings were: (1) In the weight test, the number of correct responses was greater and the differential threshold lower in the right-handed than in the left-handed subjec...

Assessment of odor thresholds is a widely recognized method of measuring olfactory abilities in humans. To date no attempts have been made to assess whether chemical complexity of odors used can produce more reliable results. To this end, we performed two studies of repeated measures design with 121 healthy volunteers (age 19-62 years). In Study 1, we compared thresholds obtained from tests bas...

In this paper, we consider a biologically-inspired Boolean function P D that models a simple task of detecting global spatial patterns on a twodimensional map. We prove that P D is computable by a threshold circuit of size (i.e., number of gates) O( √ n logn), which is an improvement on the previous upper bound O(n), while our circuit has larger depth O( √ n) and total wire length O(n log n). M...

The effects of intensity on the difference limen for frequency (DLF) in normal-hearing and in hearing-impaired listeners are incorporated into the temporal model of frequency discrimination proposed by Goldstein and Srulovicz [Psychophysics and Physiology of Hearing, edited by E. F. Evans and J.P. Wilson (Academic, New York, 1977)]. A simple extension of the temporal mode, which includes the de...

A periodical multi-secret threshold cryptosystem enables a sender to encrypt a message by using a cyclical sequence of keys which are shared by n parties and periodically updated. The same keys appear in the same order in each cycle, and thus any subset of t + 1 parties can decrypt the message only in the periodical time-frames, while no subset of t corrupted parties can control the system (in ...

In this paper, we propose a speech enhancement method by exploiting masking properties of human auditory system. The masking properties are exploited to calculate a masking threshold. The spectral components which lie above the threshold are audible to human listeners. These audible spectral components in the proposed method are suppressed as a predefined attenuation factor of the original nois...