نتایج جستجو برای: acoustic intensity
تعداد نتایج: 263781 فیلتر نتایج به سال:
Various studies have examined the acoustic features in infant directed speech (IDS) and adult directed speech (ADS). However, there are few speech corpora with prominence annotation from multiple listeners or analysis of the acoustic properties of the stressed versus unstressed words, most studies and corpora focusing on syllabic stress. In order to fill this gap, the current study analyzes the...
In order to gain knowledge about the interaction between topdown expectations of listeners concerning prosodic prominence and its acoustic correlates, two exploratory empirical studies were carried out. First, native and nonnative subjects rated prominences of speech read at normal and very fast —prosodically very different — speech. Later, these ratings were compared with introspective promine...
Sound intensity measurements using two microphones have traditionally been processed using a cross-spectral method with inherent error in the finite-sum and finite-difference formulas. The phase and amplitude gradient estimator method (PAGE) has been seen experimentally to extend the bandwidth of broadband active intensity estimates by an order of magnitude. To provide an analytical foundation ...
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...
This research aimed 1) to compare the results of scansion with those of an acoustic analysis, 2) to classify the problematic feet of cadence, which is identical to the foot types in casual speech, and 3) to clarify the relation of scansion to acoustic analyses. Additionally, it tried to establish the necessity and clarify what benefits of acoustic analyses will provide readers of poems with pro...
اندازه گیری شدت صدا (sound intensity) برای تشخیص منابع نویز در یک مجموعه متراکم از قطعات در حال کار و مرتبط با یکدیگر در خودرو کابردهای فراوانی دارد. خوشبختانه بر اساس تلاشهای محققان [ j.y.chunf] and [f. j. fahy] سیستمی طراحی شده که میتوان بدون استفاده از اتاقک آکوستیک شدت صوت را با دقت خوبی در محیط های آزاد اندازه گیری کرد.
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