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A LESSON HEARD IS A LESSON LEARNED
Did you know around 15% of students would fail a 16 dB hearing screening? This affects their ability to hear
lectures clearly, which makes engaging in discussions and collaborating with peers challenging.
All students deserve the opportunity to hear their instructors clearly, which is why the Americans with
Disabilities Act requires all classrooms to be equipped with an assistive listening system (ALS). Providing
this technology isn’t just a legal requirement; it’s the right thing to do. Listen Technologies offers assistive
listening and communication solutions that foster inclusive educational environments.
First, you must have an audio source. Whether it’s a single microphone, an aux output of a mixing board, computer audio, or whatever audio you’re using in that space.
Then, run that audio signal to a transmitter that will rebroadcast the audio, wirelessly.
Audio will be picked up by a receiver that the student generally will pick up from IT and the student will then listen to the audio through a compatible headset, or directly to the hearing aid via neck loop. Some technologies will transmit the audio directly to a hearing aid.
Though they operate similarly, each wireless listening platform has specific functional characteristics that can help determine what type of system is best for your needs.
ListenRF
Radio frequency (RF) systems function essentially the same as an FM radio station. An RF transmitter with an antenna broadcasts the audio signal. Since RF signals can penetrate most walls, the antenna is often mounted to the transmitter, though it can be remotely positioned. Each user, equipped with a compact portable receiver and personal listening device, can hear the audio signal. The receiver can be worn on a belt clip, in a pocket, or on a lanyard and allows the user to move about freely with no reception loss or dropouts.
Available in both 72 MHz or 216 MHz
Transmitters are connected to the audio source or sources and send the radio frequency signal to the antenna. ListenRF transmitters offer outstanding audio clarity, digital signal strength meter, and shows status information for channel selection and programming.
The ListenRF antenna transmits the signal over radio frequency to individual receivers.
ListenRF receivers use Intelligent Digital Signal Processing (iDSP) making them the best in the industry. They’re tuned to the radio frequency channel to receive and deliver the audio directly to the listener’s ear. All receivers offer outstanding audio clarity with the best ranges and reception.
Listen offers a variety of headsets and an integrated neck loop that offer crisp, clear sound and intelligibility.
ListenWIFI
Listen’s Wi-Fi technology (ListenWIFI) offers an innovative platform for wireless audio delivery and allows venues to use their existing network to do so. Providing one or more audio channels to a network audio interface lets the interface and Wi-Fi network function as the transmission system, broadcasting to Wi-Fi audio receivers and/or personal BYOD smartphones.
ListenWIFI features new hardware, including state-of-the-art Receivers, Beacons, 2-, 4-, 8-, and 16-channel servers, and enhances software that simplifies system configuration and management.
The ListenWIFI experience
ListenWIFI servers operate on existing networks and can easily be configured from the management software. They are stackable to meet growing needs.
The ListenWIFI LWR-1050 receivers help meet legislative compliance requirements while giving guests a choice between accessing the audio via the receivers or their own smartphones by downloading the free customizable app.
Beacons make connecting to the right channel simple. They simply send a signal to smartphones or receivers using Bluetooth® wireless technology. The signal tells the smartphone or receiver which channel is broadcasting the audio in that space. The specific range is customizable through the manager software.
Fully customize the listening experience through the ListenWIFI manager software and the ListenWIFI app. You control the colors, text banners, sliding promotional banners, custom channel names, and welcome ad or video. They’re intuitive and easy to use, allowing users to set their language preference and scan QR codes directly within the app.
ListenIR
An infrared (IR) assistive listening system operates much like an RF system, except the signal is transmitted via infrared light. An IR transmitter is connected to one or more infrared radiators that emit that infrared signal into the room. Radiators must be positioned in the coverage space since IR does not penetrate structural boundaries (walls, floors, ceilings) and only IR receivers within the room, with line-of-sight radiator visibility, can receive the audio. Two models of iDSP receivers – the most advanced IR receivers – are available.
ListenIR is secure and reliable
The infrared transmitter transmits a clear, reliable audio signal to and provides the power for one or more radiators/emitters.
ListenIR radiators deliver twice the IR power and up to six times the coverage area of similar products. This provides extensive, reliable coverage for a better experience.
Listen’s infrared receivers are made of transparent plastic to ensure the signal is received regardless of where in the room you are. They deliver sound directly to the listener without amplifying ambient noise for superior intelligibility and sound. They can be used with ear speakers, earbuds, or neck loops.
The integrated neck loop is a reliable and effective way for listeners with telecoil-equipped hearing aids and cochlear implants to utilize your assistive listening system.
From signage to headphones, to cable management, accessories enhance the functionality of your infrared assistive listening system.
ListenTALK
A simple one or two-way communication system for challenging environments. ListenTALK uses DECT wireless protocol, an industry standard for voice intelligibility, that provides a broadcast range of up to 200 meters (over 650 feet). The Transceiver (meaning it transmits and receives audio), while two models of listen-only receivers are available. They all employ secure 64-bit encryption, are powered by long-life Lithium-ion rechargeable batteries, and include a belt clip and lanyard.
ListenTALK is a simple, yet powerful communication tool ideal for assignable assistive listening systems, guided tours, group training, and more. No wires, no complicated setup, no worries.
ListenTALK offers both one-way and two-way communication
ListenTALK systems require one transceiver device to operate and can be used with additional transceivers or your choice of receivers. Pair these devices with docking trays or with built-in near field communication by simply tapping the devices together.
Choose from different headsets designed for a variety of environments, from a quiet museum to a loud manufacturing floor. Mix and match different headsets at any time to meet your needs, with Noise Reduction Rating (NRR) options available.
Docking stations give you a simple and convenient way to charge, store, and program ListenTALK transceivers.
Each charging slot features a tension lock that ensures secure charging connectivity, and each slot can be used to store ID cards or other items that are exchanged for and returned when the receiver is not in use.
From lanyards and neck loops to protective cases, ListenTALK accessories complement every application by adding functionality and features to customize your system based on the needs of your environment.
Hearing Loop
A hearing loop, sometimes referred to as an induction loop, T-Loop, is an assistive listening system that provides access to audio for those with hearing loss via their hearing aid or cochlear implant. It takes the audio source and transfers it directly to a hearing aid without background noise, interference or acoustic distortion.
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An induction loop system will only produce a quality and intelligible audio signal if the source sound is captured correctly. The sound may be a voice, in which case a microphone is required, or an audio signal such as a TV or mixing desk which can be captured using a line connection.
A hearing loop amplifier is usually referred to as a ‘driver’ and is at the heart of a hearing loop system. A loop driver should not be confused with a voltage driver speaker amplifier as they are specifically designed to drive current into the loop cable.
This copper cable is used to form the actual ‘loop’ or ‘loops’ and is usually installed in concrete or under carpet.
An essential part of any hearing loop system is signage to notify guests that a system is available.
All hearing loop systems should be supplied with equipment to allow the venue to regularly listen to the loop to ensure that it is operating properly. Additionally, loop receivers can also be used for hearing impaired guests who do not have a telecoil enabled hearing aid or cochlear implant.
Many large campuses with implement multiple assistive listening and communication technologies tailored to different environments and needs.
Large Campus
Large campuses benefit from assistive listening systems for campus tours, regulatory compliance, secure audio, maintaining physical distance, lab environments, and simultaneous interpretation.
Small Campus
Assistive listening systems ensure learners can hear which is critical in any learning environment. Systems can also provide additional benefits when used for campus tours and simultaneous interpretation.
K-12
An exceptional education starts with great sound. Assistive listening systems help educators create enriched educational environments that improve students’ retention, focus, and imagination with sound.
University of Southern California
University of Southern California
The University of Southern California (USC) in Los Angeles wanted to create an accessible space to provide students and staff with commercial-grade, interactive multimedia technology to unleash creative energy and enable them to evolve artistically.
Full Case Study
Fremont High School
Fremont High School
Fremont High School Senior Hayden Reeve liked performing in high school musical theater productions. Unfortunately, he had not had much opportunity to participate fully due to his hearing loss. Hayden has a cochlear implant and utilizes an American Sign Language (ASL) interpreter. But that wasn’t enough to help him keep track of lines, songs, and other stage cues.
Full Case Study
John Rennie High School
John Rennie High School
Boasting widespread access to technology, including a robotics lab where students learn to program robots for competitions. John Rennie High School also has a beautiful theater. During a recent renovation, the audio in the Louise Chalmers Theater was evaluated for an upgrade.
Full Case StudyIt's Easy to Get Started
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