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Related Concept Videos

Auditory Perception01:17

Auditory Perception

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The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
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Perceiving Loudness, Pitch, and Location01:21

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The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
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Perception of Sound Waves01:01

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The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
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Sound as Pressure Waves01:17

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Sound waves, which are longitudinal waves, can be modeled as the displacement amplitude varying as a function of the spatial and temporal coordinates. As a column of the medium is displaced, its successive columns are also displaced. As the successive displacements differ relatively, a pressure difference with the surrounding pressure is created. The gauge pressure varies across the medium.
The pressure fluctuation depends on the difference in displacements between the successive points in the...
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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Engagement capstone projects: A collaborative approach to a case study in psychoacoustics.

Roberto San Millán-Castillo1, Eduardo Latorre-Iglesias2, Martin Glesser3

  • 1Departamento de Teoría de la Señal y las Comunicaciones, Universidad Rey Juan Carlos, Fuenlabrada, Comunidad de Madrid 28943, Spain.

The Journal of the Acoustical Society of America
|November 1, 2022
PubMed
Summary

Engagement capstone projects encourage timely submission by involving undergraduates in open-source software development. This approach aims to prevent delays and student discouragement in science degrees.

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Area of Science:

  • Engineering Education
  • Software Engineering
  • Acoustics

Background:

  • Undergraduate science students often delay capstone projects due to job market pressures or project dissatisfaction.
  • Timely completion of capstone projects is crucial for degree progression.

Purpose of the Study:

  • To introduce and evaluate an "Engagement capstone project" methodology.
  • To address challenges leading to delayed capstone project submissions in technical degrees.

Main Methods:

  • Students contribute to the open-source MOSQITO software, which offers psychoacoustic sound quality metrics.
  • A framework ensures engagement from students and supervisors, mitigating discouragement.

Main Results:

  • The proposed methodology showed potential in overcoming common challenges.
  • Early results indicate a viable solution for reducing late capstone project submissions.

Conclusions:

  • Engagement capstone projects offer a promising approach to ensure timely project completion.
  • This model can help retain student motivation and facilitate successful degree conclusion.