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Related Concept Videos

Sound Intensity Level00:53

Sound Intensity Level

Humans perceive sound by hearing. The human ear helps sound waves reach the brain, which then interprets the waves and creates the perception of hearing. The loudness of the environment in which a person is located determines whether they can distinguish between different sound sources.
The human ear can perceive an extensive range of sound intensity, necessitating the use of the logarithmic scale to define a physical quantity—the intensity level. It is a ratio of two intensities and hence a...
Sound Intensity00:58

Sound Intensity

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 emitted...
Intensity and Pressure of Sound Waves01:05

Intensity and Pressure of Sound Waves

The intensity of sound waves can be related to displacement and pressure amplitudes by using their wave expressions and the definition of intensity. The critical step to achieve this is to write the power delivered by the particles on the wave as the product of force and velocity and simplify the force per unit area as the pressure. The velocity of the medium's particles can be derived from the displacement.
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Intensity Of Electromagnetic Waves01:22

Intensity Of Electromagnetic Waves

The energy transport per unit area per unit time, or the Poynting vector, gives the energy flux of an electromagnetic wave at any specific time. For a plane electromagnetic wave with E0 and B0 as the peak electric and magnetic fields and traveling along the x-axis, the time-varying energy flux can be given by the following equation:
Fineness Modulus01:19

Fineness Modulus

The fineness modulus (FM) of aggregate is a numerical index that measures the coarseness or fineness of the particles. It is calculated by adding the cumulative percentages of aggregate retained on each of a specified series of sieves and dividing the sum by 100.
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IR Frequency Region: Fingerprint Region01:03

IR Frequency Region: Fingerprint Region

IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the C=O, C=N, and C=C occur between 1600–1850 cm−1.
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Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels
08:32

Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels

Published on: January 28, 2022

Fitting range of the BAHA Intenso.

Arjan J Bosman1, F M Snik, Emmanuel A M Mylanus

  • 1Department of Otorhinolaryngology, University Medical Centre, St. Radboud, Nijmegen, The Netherlands. a.bosman@kno.umcn.nl

International Journal of Audiology
|November 21, 2009
PubMed
Summary

The BAHA Intenso, a powerful behind-the-ear sound processor, offers boneconduction gain for mixed hearing loss patients. Its fitting range is suitable for specific boneconduction thresholds, providing adequate dynamic range.

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Last Updated: Jun 18, 2026

Assembly and Characterization of an External Driver for the Generation of Sub-Kilohertz Oscillatory Flow in Microchannels
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Published on: January 28, 2022

ARL Spectral Fitting as an Application to Augment Spectral Data via Franck-Condon Lineshape Analysis and Color Analysis
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ARL Spectral Fitting as an Application to Augment Spectral Data via Franck-Condon Lineshape Analysis and Color Analysis

Published on: August 19, 2021

Area of Science:

  • Audiology
  • Hearing device technology

Background:

  • Conventional hearing aids are unsuitable for some patients with mixed hearing loss.
  • The BAHA Intenso is a new, more powerful behind-the-ear bone-anchored auditory (BAHA) sound processor.

Purpose of the Study:

  • To evaluate the audiometric characteristics of the BAHA Intenso sound processor.
  • To determine the fitting range and boneconduction gain provided by the BAHA Intenso.

Main Methods:

  • Audiometric evaluation in 23 patients with mixed hearing loss and contraindications for conventional hearing aids.
  • Measurement of boneconduction gain at octave frequencies (500 Hz to 4 kHz).
  • Determination of the fitting range using speech reception thresholds and loudness growth functions.

Main Results:

  • Median boneconduction gain ranged from 0 dB at 500 Hz to 12 dB at 2 kHz, with significant interindividual variability.
  • The fitting range was limited to specific boneconduction thresholds at different frequencies (e.g., 58 dB HL at 2 kHz).
  • Loudness growth functions indicated an adequate aided dynamic range.

Conclusions:

  • The BAHA Intenso provides measurable boneconduction gain for patients with mixed hearing loss.
  • The fitting range of the BAHA Intenso is defined by specific boneconduction thresholds, accommodating a particular patient group.
  • The device demonstrates an adequate aided dynamic range, suggesting potential benefit for eligible patients.