نتایج جستجو برای: acoustic correlation

تعداد نتایج: 473159  

2013
Bruno do Nascimento Teixeira

This paper describes the team MTM participation in the MediaEval 2013 campaign. We submitted one run at shot level that explores spatial correlation between acoustic-visual features. The motion features are computed to represent the video.The Mel Frequency Cepstral Coefficients (MFCC) of the acoustic signal, and their first and second order derivatives are exploited to represent audio. One main...

2011
Hiroshi Kibishi Seiichi Nakagawa

We have previously proposed a statistical method for estimating the pronunciation proficiency and intelligibility of presentations made in English by non-native speakers. To investigate the relationship between various acoustic measures and the pronunciation score and intelligibility, we statistically analyzed the speaker’s actual utterances to find combinations of acoustic features with a high...

Journal: :AJNR. American journal of neuroradiology 2014
D Y Kim J H Lee M J Goh Y S Sung Y J Choi R G Yoon S H Cho J H Ahn H J Park J H Baek

BACKGROUND AND PURPOSE The increased cochlear signal on FLAIR images in patients with acoustic neuroma is explained by an increased concentration of protein in the perilymphatic space. However, there is still debate whether there is a correlation between the increased cochlear FLAIR signal and the degree of hearing disturbance in patients with acoustic neuroma. Our aim was to investigate the cl...

2011
Hyunseok Oh Michael H. Azarian Michael Pecht

In order to estimate health conditions of fan bearings and predict their remaining life before failure, relevant features associated with their degradation must be identified. There are few published papers that deal with the selection of relevant features from acoustic emission signals for health condition estimation and life prediction of bearings in cooling fans. For this study, acoustic emi...

Journal: :Cortex; a journal devoted to the study of the nervous system and behavior 2015
Dominique T Vuvan Marilia Nunes-Silva Isabelle Peretz

A major theme driving research in congenital amusia is related to the modularity of this musical disorder, with two possible sources of the amusic pitch perception deficit. The first possibility is that the amusic deficit is due to a broad disorder of acoustic pitch processing that has the effect of disrupting downstream musical pitch processing, and the second is that amusia is specific to a m...

2013
Qi Meng Jian Kang

A large-scale subjective survey was conducted in six shopping malls in Harbin City, China, to determine the influence of social and behavioural characteristics of users on their evaluation of subjective loudness and acoustic comfort. The analysis of social characteristics shows that evaluation of subjective loudness is influenced by income and occupation, with correlation coefficients or contin...

Background & Aim: Acute acoustic trauma is an important cause of sensorineural hearing loss (SNHL). Determination of the frequency and contributing factors for vestibular disorders is important, therefore, the current study was performed to assess these factors in patients referred to the ears, nose, and throat (ENT) clinic of one of the hospitals in Tehran, Iran, during the years 2017 to 2019....

2017
Jun Zhang Yi Zhang Yang Li Ruimin Chen K Kirk Shung Grace Richter Qifa Zhou

PURPOSE The aim of this study is to correlate the intraocular pressure (IOP) change with the acoustic impedance of the cornea, in order to propose a noncontact and noninvasive method for IOP monitoring. METHODS AND MATERIALS A highly focused transducer (frequency 47-MHz; bandwidth 62%) was made to measure the echo from the anterior and posterior surfaces of intact porcine eyes, respectively. ...

Journal: :جنگل و فرآورده های چوب 0
حوری شریف نیا دانشگاه تربیت مدرس سعید کاظمی نجفی گروه علوم و صنایع چوب و کاغذ، دانشکده منابع طبیعی ، دانشگاه تربیت مدرس مهدی احمدی نجف آبادی دانشگاه صنعتی امیر کبیر

with the aim of identifying failure mechanism in oriented strand boards, failure behavior of wood strands under tensile load was investigated using acoustic emission technique. resinated and unresinated strands were arranged at top, middle and bottom section of the board before pressing. tensile and acoustic emission tests were performed simultaneously on treated and control samples. using tens...

Journal: :iranian journal of otorhinolaryngology 0
mohammad faraji rad department of neurosurgery, mashhad university of medical sciences, mashhad, iran

acoustic neuromas (an) are schwann cell-derived tumors that commonly arise from the vestibular portion of the eighth cranial nerve also known as vestibular schwannoma(vs) causes unilateral hearing loss, tinnitus, vertigo and unsteadiness. in many cases, the tumor size may remain unchanged for many years following diagnosis, which is typically made by mri. in the majority of cases the tumor is s...

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