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Related Concept Videos

Design Example01:23

Design Example

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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...
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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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Design Example: Designing Water Slide01:18

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The loudness of a sound source is related to how energetically the source is vibrating, consequently making the molecules of the propagation medium vibrate. To measure the loudness of a source, the physical quantity of interest is the intensity. This is defined as the energy emitted per unit of time per unit of area perpendicular to the sound wave's propagation direction. Since the total energy is greater if the source vibrates for a longer duration and over a larger area, dividing the...
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A Participatory Design Approach to Develop an Interactive Sound Environment Simulator.

Geir K Hanssen1, Yngve Dahl1

  • 1SINTEF, Information and Communication Technology, Trondheim, Norway.

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Participatory design enhances communication between patients and audiologists by involving them in creating a sound simulator. This approach offers practical solutions for complex healthcare challenges.

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Area of Science:

  • Human-Computer Interaction
  • Audiology
  • Healthcare Design

Background:

  • Effective communication is crucial in audiology consultations.
  • Current tools may not fully address patient and audiologist needs.
  • Interactive simulators can bridge communication gaps.

Purpose of the Study:

  • To evaluate the value of participatory design in creating an interactive sound environment simulator.
  • To improve communication and understanding between patients and audiologists.

Main Methods:

  • Qualitative research approach.
  • A three-step process: problem investigation, design, and evaluation.
  • Involving patients and audiologists directly in the design process.

Main Results:

  • Patients and audiologists actively participated in the simulator's design.
  • Their involvement led to specific, observable effects on the design outcomes.
  • Key lessons were learned regarding user involvement in technology design.

Conclusions:

  • Participatory design is a feasible and effective method for developing healthcare tools.
  • This approach successfully addresses complex issues faced by patients and practitioners.
  • The interactive sound simulator design facilitated better consultation dynamics.