Assistive Listening Systems - also referred to as ALDs (Assistive Listening Devices), help to improve the sound quality & clarity of reproduced sound (such as a PA systems, audio messaging, TV audio, etc) for many people with degrees of hearing impairment.
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Though the most common system - Audio Frequency Induction Loop Systems (or AFILS) - may be well known to many users and installers, there is an increasing range of alternative technologies and transmission options available to support assistive listening in different applications and building types.
HowToAV talks to Assistive Listening expert Per Persson of Williams AV to discuss the benefits of ALDs and how to choose the right technology for users' needs.
JUMP TO:
0:00 Intro
0:36 What is an Induction Loop?
1:16 How does RF & IR differ to Induction Loops?
2:02 RF Assistive Listening devices (Radio Frequency)
2:57 IR Assistive Listening devices (Infrared)
3:52 Digital Assistive Listening devices
4:22 Wifi Assistive Listening devices
5:32 Bluetooth Assistive Listening devices
6:50 Which Assistive Listening system is best?

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