Difference between Induction Loop Systems, Digital FM Solutions, Infrared Solutions

Differences in loop systems

Induction loop systems use electromagnetic fields to transmit audio from a microphone or other audio source to a hearing aid or cochlear implant. The hearing aid or implant must have a Telecoil or often referred to as T-coil, a particular type of receiver, to pick up the audio signals. Installation is required during construction to embed the loop underneath the floor finishing or above the ceiling panels, whichever meets the customer's requirements. Therefore coordination is important between different parties to ensure successful installation.

 

Digital FM solutions use a 2.4 GHz global frequency standard for wireless broadband communication to transmit audio. The audio source is connected to a transmitter, which transmits the audio to a receiver in a portable neckloop that listeners would have to wear to be able to hear. The receiver can be a portable device. Digital FM solutions are portable and do not require installation. However, the building owner has to assign manpower to issue and collect back the receivers and neckloops after every event. Moreover, it is required to sanitise the neck loop and charge the receivers after each use.

 

Infrared solutions use infrared light to transmit audio. The audio source is connected to a transmitter, which transmits the audio to a receiver, similar to the Digital FM Solution, and in the form of a neck loop that is portable and listeners would have to wear to be able to hear. The receiver is portable; however, the transmitters would require to be installed. Infrared requires a line of sight; if there is a lot of natural light, this might affect the coverage. However, the building owner has to assign manpower to issue and collect back the receivers and neckloops after every event. Infrared solutions are less affected by interference from other sources but require a direct line of sight between the transmitter and receiver.

 

Overall, Induction loop systems are the most cost-effective and do not require extra manpower to collect  receivers or neckloops in every event. Digital FM solutions need a receiver but do not require installation. Infrared solutions are less affected by interference but require a line of sight.

 

What should I choose for my space?

 

The best option for you will depend on the specific requirements, the environment in which the public will use the system, and the budget available. We recommend consulting a professional knowledgeable about assistive listening systems to determine the best option for your situation.

 

The Hearing Enhancement System by the Listening Lab is the most professional HES distributor and sole distributor of Ampetronic Induction Loop Systems in Singapore. Check the installation process we did at NUS University Cultural Centre (UCC) and OWWA School. To learn more, you may send your questions through our enquiry form, give us a call at +65 6817 5100 or send us an email to hes@listeninglab.sg.

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