نتایج جستجو برای: audio equipment

تعداد نتایج: 143933  

2010
Thomas Fedtke Johannes Hensel

Many applications in objective audiometry measure and evaluate responses of the hearing system to acoustic shortterm stimuli. One of the earliest and best known among these signals of short duration is the 'reference pulse' specified in standard IEC 60645-3. This definition of an electrical reference signal dates back to times when audiometric equipment essentially consisted of analogue compone...

Journal: :Journal of Electronics and Informatics 2023

Harmonics refers to a form of electrical distortion that can adversely impact power systems, equipment, and the overall quality supply. The presence non-linear loads, such as electronic devices, cause current waveform deviate from ideal sine wave, resulting in higher frequency currents are multiples fundamental frequency. These distortions lead several negative effects, reduced factor, increase...

Journal: :Expert Systems With Applications 2021

• High-performance of deep belief networks for environmental sound classification. Audio-based classification construction equipment and tools. unmanned monitoring sites. In this paper, we propose a Deep Belief Network (DBN) based approach the audio signals to improve work activity identification remote surveillance projects. The aim is obtain an accurate flexible tool consistently executing ma...

Journal: :international journal of society, culture & language 2014
seyyed ahmad mousavi ali akbar farahani saleh arizavi

in this study, it was intended to investigate the persian native speakers’ perception of gerunds by three different elicitation techniques i.e., written, audio, and pictorial through translation. eighty intermediate learners of english were asked to select persian translation of the gerund formsin these elicitation techniques. they were asked to choose one option from a pair of written first la...

: This study investigated the impact of audio-visual input enhancement teaching techniques on improving English as Foreign Language (EFL) learnersˈ collocation learning as well as their accuracy concerning collocation use in narrative writing. In addition, it compared the impact and efficiency of audio-visual input enhancement in two learning contexts, namely traditional and mo...

This study aimed to investigate the effect of pre-teaching new vocabulary items via audio-visuals on Iranian EFL learners’ reading comprehension ability. The question this study tried to answer is if pre-teaching new vocabulary items via audio-visuals have any effect on Iranian EFL learners’ reading comprehension ability. To find the answer to the question, 30 intermediate level stu...

Background and purpose: The aim of this research was to compare the efficacy of relaxation, and relaxation combined by periodic visual stimulation and periodic audio stimulation on blood pressure and heart rate of university students. Materials and methods: This experimental study was conducted in 36 psychology students in Allameh Tabatabaee University. The students were randomly selected and...

Hassanzadeh, Mohammad, Marefat, Fahimeh,

Incidental vocabulary learning is often seen as superior to direct instruction on many occasions. Meanwhile, upon the emergence of the World Wide Web, second language (SL) learners have been introduced to 'podcasts' (recorded audio and video online broadcasts) which could be authentic sources of vocabulary learning. The relatively recent phenomenon of video podcast (vodcast) might be considered...

2009
Günther Schatter

The aim of this paper is twofold: This paper presents a summary of our recent efforts for the enhancement of a computer-assisted Digital Audio Broadcasting Receiver with several alterations such as a personalization, service scanning, integration of podcasting into broadcasting, and a speech-based interfaces with an information retrieval system. The prototype is based on the mandatory features ...

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