What We Offer
Music Venues Concert Halls Theatres Cinemas Sports Arenas​
Our assistive listening solution enables entertainment and sporting venues to address the needs of the hearing impaired.
It has a proven track record of effectively enabling hearing impaired individuals to fully enjoy live and pre-recorded events, by using their personal smartphones and hearing devices.
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It is straightforward to install and configure and we offer a turnkey solution, from the initial site survey to implementation, support and the management of updates. Once it has been setup it will operate reliably without any client intervention.
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Real-time transcription displayed in-app
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Compatibility with hearing aids, cochlear implants and hearables
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Remote maintenance and updates via the web
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Personalised audio experience
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Optional Wi-Fi receivers for attendees without smartphones
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Full Wi-Fi coverage for Indoor and outdoor venues
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Our system connects directly to the audio source, such as a microphone or a sound console. It effectively samples the sound in real-time while overcoming reverberant environments and background noise. It then distributes the audio over a dedicated WiFi network to personal smartphones with low latency. The audio is streamed directly from a mobile app to the user’s hearing-aids, cochlear implants, or any other earpiece / accessory.
Core Benefits
Connect with ease
One tap and the user can access the audio - No technical expertise is required
Personalized audio
The listener can easily tailor the audio to meet their own preferences
Compatibility
Supports hearing-aids, cochlear implants, and headphones / earphones of all types
Automatic firmware updates
Via WiFi / LAN
Compatibility
Supports hearing-aids, cochlear implants, and headphones of all types
Live transcription
On-site live transcription displayed
on user's mobile
B-LITE
An easy-to-use designated receiver for non-smartphone users
Remote maintenance
Local and cloud-based monitoring 
and maintenance dashboard
Dynamic latency
Set to compensate the delay time between the streamed audio and the environmental audio coming from the loudspeakers, in real time.
Accessibility map
Displays all accessible sites using the system.
Automatic Gain Control (AGC)
Optimises the audio input level adaptively and enhances user experience
Technical Specification
Network
IP Address: DHCP, Reserved
Users Per Unit: Up to 1,000
Prioritization: QoS
Bandwidth Per User: 250 kbps
Latency: 40ms - 110ms (may vary with network and mobile device)
App Support: iOS/Android
Offline Management Panel: Yes
Cloud Management: Yes (if connected to internet)
Content Management System (Cloud): Yes (if connected to internet)
Hardware
Processor: Quad Core Cortex-A55 (ARM v8.2-A) 64-bit @1.5GHz
Memory: 4GB
Audio Input Channels: 1 Stereo/2 Mono
Maximum Input Voltage: 2.1Vrms (4.2Vrms for balanced input)
Rackmount 19” Compatible: Yes
Power Supply: 9 VDC (Positive polarity), 2.5A
Operating Temperature: 0 ºC – 55 ºC
Regulatory: FCC, CE, cUL
Audio
ADC Signal-to-Noise Ratio: 110dB
DAC Signal-to-Noise ratio: 112dB
ADC THD+N: -90dB
DAC THD+N: -93dB
Frequency Response: 10Hz-22kHz
Input Gain: -12dB to 32dB
Automatic Gain Control (AGC): Yes
Audio Filter: HPF and LPF
Sample Rate: 48kHz
Bit Depth: 32 bits
Assistive listening reimagined
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Open Sound Limited is a private limited company registered in England and Wales
Company number 15852223