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Related Concept Videos

Echo01:06

Echo

1.1K
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
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Barriers to Effective Communication I01:30

Barriers to Effective Communication I

11.8K
A communication barrier is any distortion or interruption during a conversation, resulting in miscommunication of the message. A good communicator should know these barriers and continuously check for the listener's understanding by obtaining feedback.
Communication barriers include the following:
Physiological barriers: They are limitations caused by a person's health condition or disability, such as hearing loss, poor eyesight, illness, or unconsciousness. An example to overcome this...
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Barriers to Effective Communication II01:21

Barriers to Effective Communication II

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The barriers to effective communication also include cultural barriers, semantic barriers, gender barriers, and time constraints.
Cultural barriers:
Differences in values, beliefs, religion, knowledge, and tradition can significantly impact communication. Awareness of nonverbal cues is critical, especially when conversing with a patient from a different culture. What appears appropriate in one culture may be inappropriate in another.
Semantic barriers:
As a result of their tendency to use...
5.2K
Design Example: Vintage Mixing Console01:17

Design Example: Vintage Mixing Console

633
A sound engineer at a music company recently encountered a problem. The output from their newly acquired studio's vintage mixing console was too low for the requirements of modern recording equipment. To rectify this situation, the engineer decided to design an audio pre-amplifier using an operational amplifier (op-amp) to boost the signal level.
The specifications for the pre-amplifier were clear. It needed to amplify the audio signal by a factor of 10, have an input impedance above 10...
633
Design Example01:23

Design Example

608
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
608
Instrumentation Amplifier01:25

Instrumentation Amplifier

1.2K
An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
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Related Experiment Video

Updated: Mar 7, 2026

Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions
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Practical Barriers to Project ECHO Innovations

Karly Pippitt1, Scott Junkins, Susan Baggaley

  • 1Assistant professor of Family and Preventive Medicine and adjunct assistant professor of Neurology, University of Utah School of Medicine, Salt Lake City, Utah; karly.pippitt@hsc.utah.edu. Associate professor; medical director, Pain Management Center; and Vice Chair, Pain Medicine, Department of Anesthesia, University of Utah School of Medicine, Salt Lake City, Utah. Clinical instructor and Vice Chair, Clinical Operations, Department of Neurology, University of Utah School of Medicine, Salt Lake City, Utah.

Academic Medicine : Journal of the Association of American Medical Colleges
|February 22, 2017
PubMed
Summary

No abstract available in PubMed .

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