Assistive Listening Knowledge Base
  • Industry guidance
  • Undated (read )

A Guide to Assistive Listening Systems

From https://assistivelisteningknowledgebase.org/evidence/iscve-assistive-listening-guide/ · record checked 13 October 2026

  • Institute of Sound, Communications and Visual Engineers
  • Institute of Sound, Communications and Visual Engineers (copy hosted by the Center for Hearing Access)

Trade body (ISCVE, a professional audio industry institute; the guide names no funder)

Summary

ISCVE's introductory guide asks purchasers to define users, coverage, access, audio sources and responsibility for running a system.

Key findings

  • Page 5 describes infrared receivers connected to headphones or earbuds, or to hearing devices through neckloops. Page 7 asks venues to provide enough receivers for the expected audience and keep public-use receivers maintained, clean and charged; its one-per-25-seats rule of thumb is not a jurisdiction-specific requirement.
  • Pages 3-5 ask purchasers to identify users, coverage areas, confidentiality, simultaneous use of adjacent rooms including above and below, building constraints, and who will operate, maintain, distribute and clean equipment.
  • Page 3 asks whether users can bring their own devices and whether the system works satisfactorily with a range of typical smartphones and receivers; it also asks who will instruct users and deal with problems.
  • Page 4 asks that all room audio sources reach the assistive listening system, including media playback and both ends of video calls. It calls for a dedicated feed protected against inadvertent adjustment, so changes to the main sound-system output do not change the assistive feed.
  • Page 5 describes direct telecoil access as a loop advantage, while acknowledging that an indirect system can have benefits that outweigh that convenience in some situations. Building metal, magnetic noise, spill and installation access can constrain loops.
  • Page 6 recommends testing a proposed Wi-Fi system's network and latency under normal traffic and operating conditions before installation, because both network and smartphone contribute delay.
  • Page 7 explains that a neckloop transfers audio magnetically to a hearing aid with a telecoil, and that neckloops can be intended for general use or a specific receiver. Venue receivers must be maintained, cleaned and kept charged.
  • Page 7 asks for a list of system uses and requirements before technology selection, and a test certificate, as-installed drawings, operating instructions, maintenance requirements and equipment handbooks after installation.

Limits

An introductory industry guide, not a purchasing-outcome study or a regulation. No publication date is printed; PDF creation and modification metadata are from November 2023, which does not establish a publication date. Its Auracast discussion predates products entering the market and is not used here as a current compatibility account. Its receiver rule of thumb is not a substitute for jurisdiction-specific receiver requirements. Classroom sound-field systems and personal listeners are outside this library's venue-system scope.

Read the original

centerforhearingaccess.org/wp-content/uploads/ISCVE-Guide-Assistive-Listening-Systems.pdf

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

Cited in

Cite this source

Institute of Sound, Communications and Visual Engineers. A Guide to Assistive Listening Systems. Institute of Sound, Communications and Visual Engineers (copy hosted by the Center for Hearing Access). n.d. https://centerforhearingaccess.org/wp-content/uploads/ISCVE-Guide-Assistive-Listening-Systems.pdf (accessed 13 October 2026).

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/iscve-assistive-listening-guide/

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