Audio Over Wi-Fi Assistive Listening Systems

Summary

IAHA's explainer on audio over Wi-Fi: how it works, its advantages and limitations, and the standards it names.

Key findings

• Describes a bring-your-own-device model: sound goes from the venue's sound system to an audio server on its Wi-Fi network and on to listeners' phones or tablets, then to hearing aids or cochlear implants by Bluetooth, a neckloop with the telecoil, or headphones.
• Lists as advantages that listeners use their own devices, can move across large areas, and can choose among several channels; that venues handle less shared equipment and fewer hygiene concerns; and that it can be deployed where loops or infrared may not be feasible.
• Lists as limitations: delay that varies with the environment, device and configuration; dependence on the quality of the Wi-Fi network; the need for a smartphone, an app and the confidence to install it; and the need for headphones or a way to connect hearing aids. It notes that a significant share of the people concerned do not have a smartphone.
• States that "No peer reviewed studies are available" on the benefits of Wi-Fi systems for people with hearing loss.
• Advises venues to tell visitors before they attend to bring their own device, to give access to and instructions for the app, and to provide alternative receivers for those without a smartphone.
• Under standards, states that a venue "cannot guarantee compliance with ADA Table 219.3" if listeners are expected to bring their own devices, and that neckloops must give a signal meeting IEC 60118-4 when measured as IEC 62489-1 specifies.
• Lists among the limitations of Wi-Fi systems that "Performance depends on the quality and stability of the Wi-Fi network".

Limits

A short explainer with no data or references behind its advantages and limitations. IAHA is an industry association whose members include manufacturers; the page does not say which members make Wi-Fi or competing systems. The page carries no date (copyright 2026). The site also features a Williams AV guide to real-time Wi-Fi audio, from a maker of Wi-Fi systems.

Read the original

iaha-global.com/assistive-listening-technologies/audio-over-wifi

Link checked 9 October 2026. We link to the original and do not host copies.

Cited in

• Which hearing devices can receive which systems?Open
• Which systems satisfy the ADA and building codes, and does a listener's own phone count?Disputed
• Auracast, hearing loop, infrared, RF or Wi-Fi: which suits which room?Disputed
• How many receivers and neckloops does each code require, and how should a loan pool be run?Partly answered
• How many listeners carry a telecoil, an Auracast-capable device or a smartphone?Disputed
• What do listeners prefer, and how often do they use venue systems?Partly answered
• How much delay does Wi-Fi streaming add, and when does it matter?Not reliable yet
• What does Wi-Fi streaming need from the venue's network and from listeners' phones?Partly answered
• What does each system cost to install and to run over its life?Open
• Do neckloops give telecoil users good sound from FM, infrared, Wi-Fi and Auracast receivers?Not reliable yet

Cite this source

The original gives no date, so the citation says “n.d.”. The accessed date is when this library last checked the link; use the date you read it. To point readers to this summary instead, link to https://assistivelisteningknowledgebase.org/evidence/iaha-2026-wifi/

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