ACALES
ACALES
ACALES
ACALES
ACALES
ACALES
ACALES
ACALES
ACALES
ACALES
ACALES
ACALES
ACALES
ACALES
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ACALES

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When ordering 5 licenses: pay 4, 1 free!

ACALES - more than just language understanding

ACALES (Adaptive CAtegorical Listening Effort Scaling) is a measurement method for hearing care professionals and audiologists to record subjective listening effort. In addition to the comparison of alternative hearing systems and their settings, the measurement method enables progress monitoring and checking of acclimatization to the hearing systems.

Listening Effort - What is it?

A convivial evening in the restaurant, a large family celebration or an excursion - who does not know it, conversations in noisy surroundings are perceived as more exhausting than in a quiet environment.

In most situations in which people largely understand everything but speak of increased listening effort, the volume of the speech is higher than the volume of the ambient noise. Although a high individual speech intelligibility can be achieved, hearing-impaired people in particular report that it takes a great deal of effort to achieve this speech intelligibility. But how can this subjectively perceived so-called listening effort be measured individually? With ACALES!

ACALES - that's how it works

The ACALES measurement method makes it possible to measure the mental 'listening load' or the listening effort that a person has to expend in order to understand speech in background noise. This is an additional dimension in addition to speech intelligibility. When measuring the subjective listening effort, the patient / customer uses a 13-point scale from "effortless" to "extremely strenuous" to rate how strenuous it is to follow a speaker in background noise. The measurement of the subjective listening effort is particularly suitable when speech intelligibility measurements cannot reveal any differences between the hearing systems or the maximum of 100% speech understanding has been achieved. With the help of ACALES, the customer evaluates both everyday-relevant and challenging listening situations. Furthermore, the subjective added value of comfort features such as background noise algorithms or directional microphones can be measured.

System requirements

  • PC / laptop, CPU, memory and hard disk space, sound card
  • speaker
  • Tablet PC or mobile phone
  • PC / laptop with Microsoft ® Windows ® 7 or higher - CPU (at least 1.6 GHz clock frequency) - RAM (at least 4 GB) - Hard disk space (at least 250 MB) - Sound card - Speakers (at least 1 speaker 0 °) - Two speakers are recommended ( 0 ° and 135 °) - optional: tablet PC or mobile phone for the customer to enter answers - Internet connection

Here you can download a trial version. When you start the program for the first time, you have the option of requesting a free 30-day test license.