Results 261 to 270 of about 4,862,994 (312)

New (stage) parameter for conductor's acoustics

The Journal of the Acoustical Society of America, 2008
During fine-tuning of the stage acoustics of the main auditorium of Casa da Musica, designed by the Office for Metropolitan Architecture, in Porto (Portugal) we were confronted with conflicting comments with respect to the acoustic effect of different canopy positions.
Braak, van den, E.W.M., Luxemburg, van, L.C.J.   +1 more
openaire   +2 more sources

Footstep Recognition with Psyco-acoustics Parameter

APCCAS 2006 - 2006 IEEE Asia Pacific Conference on Circuits and Systems, 2006
The characteristics of a footstep are determined by the gait, the footwear and the floor. Accurate footstep analysis would be useful in various applications, home security service, surveillance and understanding of human action since the gait expresses personality, age and gender.
Akitoshi Itai, Hiroshi Yasukawa
openaire   +1 more source

Acoustic Parameter Estimation

2016
This chapter introduces methods for the estimation of two important acoustic parameters using spherical microphone arrays: the direction of arrival of sound from a localized sound source, and the signal-to-diffuse energy ratio at a particular position in a sound field.
Daniel P. Jarrett, Emanuël A. P. Habets, Patrick A. Naylor   +2 more
openaire   +1 more source

The Effects of Aging on Acoustic Parameters of Voice

Folia Phoniatrica et Logopaedica, 2012
<b><i>Background/Aims:</i></b> There are no studies of the phonatory parameters of elderly Iranian speakers. The purpose of this study was to obtain normative acoustic data for a group of elderly Iranian male and female speakers over 70 years of age. Four selected acoustic parameters [fundamental frequency (F0), jitter, shimmer,
Ali, Dehqan, Ronald C, Scherer, Gholamali, Dashti, Alireza, Ansari-Moghaddam, Sepideh, Fanaie   +4 more
openaire   +2 more sources

Nonlinearity acoustical parameter and its relation with Rao’s acoustical parameter of liquid state

The Journal of the Acoustical Society of America, 1983
Sound-speed properties of liquids are calculated in terms of the easily measurable parameters on the assumption that the isochoric temperature derivative of the sound speed is the dominant factor with significant contribution to influencing the thermo-acoustic properties. Using this simple model it is shown that Beyer’s parameter of nonlinearity, Rao’s
openaire   +1 more source

Acoustic Parameters Critical for an Appropriate Vibrato

Journal of Voice, 2012
A plethora of investigations have studied the acoustic characteristics of vibrato such as the rate, extent, onset (time from initiation of phonation until the first peak of vibrato), and periodicity. Despite extensive research, the degree to which various parameters of vibrato contribute to its acceptability remain unclear.The present study sought to ...
Supraja, Anand, Judith M, Wingate, Brenda, Smith, Rahul, Shrivastav   +3 more
openaire   +2 more sources

Acoustic Parameters in Human Speaker Recognition

Language and Speech, 1990
Four speaker identification tests were conducted using five female speakers known to the listeners. Starting from acoustic recordings of reiterant “ma” syllables, the perceptual importance of the following three factors was investigated: F o height, F o
openaire   +2 more sources

Quantification of the Parameters of the Acoustic Reflex in Normal Ears

International Journal of Audiology, 1986
Measurement of the acoustic stapedial reflex parameters has proved to be a useful tool for evaluating the function of the acoustic-facial reflex. However, there is no agreement about the definitions of the parameters; moreover, most of the data have been obtained by manual measurement methods. The authors describe a computerized analytical method which
SELLARI FRANCESCHINI, STEFANO, BRUSCHINI, PAOLO, L. Pardini, BERRETTINI, STEFANO   +3 more
openaire   +3 more sources

Robust estimation of the acoustic attenuation parameter

ICASSP '87. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005
Because of the effect even additive Gaussian noise at the input has on the actual estimation of the attenuation parameter, Q, least squares estimation techniques make poor Q estimators. The errors in Q estimation may have a near Cauchy distribution. Maximum likelihood (ML) estimators based on Laplacian and Cauchy noise are derived and tested on various
openaire   +1 more source

Voice Acoustic Parameters as Predictors of Depression

Journal of Voice
To analyze whether voice acoustic parameters are discriminant and predictive in patients with and without depression.Observational case-control study. The following instruments were administered to the participants: Self-Reporting Questionnaire (SRQ-20), Beck Depression Inventory-Second Edition (BDI-II), Voice Symptom Scale (VoiSS) and voice collection
Wegina Jordana, Silva, Leonardo, Lopes, Melyssa Kellyane Cavalcanti, Galdino, Anna Alice, Almeida   +3 more
openaire   +2 more sources