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Audio for Education

Audio Solution Technology

This audio guide for education faculty offers a comprehensive round-up of the latest technologies and innovations. Technology that transports, switches, mixes, processes and amplifies audio signals. Applications that facilitate zoned bells, paging and access control within classrooms, halls, auditoriums and large outside areas.

Identify and recommend technology solutions for in-room and general audio.
Identify and recommend technology solutions for in room and general paging, music and bells.
Describe how to achieve the management and support of deployed technology.
Describe how industry-standard transport protocols (SIP, Dante & RF) can be used for reliable audio transportation and switching.

For more information on any of the products or solutions featured, or to discuss a customised application, please contact one of our expert sales team on 1300 666 099 or

Single Room (Classroom)

Audio solutions within a classroom or education environment include:

Either a separate system, where teaching content is handled on a completely different platform to audio for background music, paging, and alerts or an integrated system where ALL the audio requirement is contained within a single platform minimising cost in hardware, installation and maintenance times. Midwich offers both.

Audio for In-Room Devices

Components from Ecler, Terracom & LEA Professional depending on requirements of room and audience size.

Wall plate examples (Inputs):
  • Ecler WPaMIX-T - 2 channel micro-mixer for a stereo unbalanced signal (2 x RCA) and a microphone signal (XLR) The mic input includes a 2 band EQ (bass, TREBLE) with talk-over function to override the line signal when the microphone exceeds the talk-over detection threshold.
  • ECLER WPaVOL-SR-J - a remote wall panel control for volume management and source or preset selection with front panel stereo mini-jack connector.
  • Ecler WPNET4KV - an EclerNet compatible wall panel, featuring an LCD screen, a digital rotary encoder and 4 direct selection keys. Its end-user control features are volume control, source and preset selection functions.
Switching and Mixing:
  • Ecler eSAM series (eSam402, eSAM603 and eSAM702) - featuring multiple mic/list st inputs. Including 3 band tone control section, Talkover (priority) function assignable to each mic/line input over the mix bus, stereo/mono mix switch and MUTE port for external dry contact triggering.
  • Ecler DAM614 - programmable audio digital mixer. Includes 6 inputs and 4 outputs, front panel input and output level controls, DSP processing, RS-232 connectivity and infrared remote E control ports (0-10VDC). Its 4 outputs can be used as mono independent zones or coupled as stereo zones. The first 2 Inputs are stereo, and the 3rd, 4th, 5th and 6th ones are mic/line ready (phantom available), making it possible to use them independently (mono) or as stereo-coupled inputs.
  • ECLER MIMO7272DN - Digital matrix including 72 audio inputs and 72 audio outputs (8 analogue inputs, 8 analogue outputs, 64 Dante™/AES67 digital inputs and 64 Dante™/AES67 digital outputs).

Audio for Paging and Emergencies

Components from Ecler, Terracom & LEA Professional depending on room and audience size.

Amplifier examples:
  • Ecler CA120, CA120HZ - 2 x 60 WRMS @ 4Ω stereo amplifier with a tiny size. 2 stereo inputs and 1 switchable stereo/mic input. Control via front panel, serial RS-232 port and IR. 0-10 VDC remote port. Auto-standby function and aux output. Available in 8Ω and Hi-Z (70-100 volt) models.
  • ECLER eHSA series- High impedance amplifiers for multi-zone background music and paging systems with 70/100V line speakers. Models range from 60w to 500w output across 2 or 4 channels.
  • LEA Connect series amplifiers – 2, 4 and 8 channel amplifiers designed for small to medium scale installations This IoT capable amplifier range harnesses the power of the cloud for remote control, monitoring, and notifications.
Speaker examples:
  • Ecler VIC6 & VIC8- 6" (40W) or 8"(60W) in-ceiling loudspeaker with a great sound performance. Both feature + 0.5” steerable tweeter, 8Ω and 70/100V.
  • Ecler IC3, IC6, IC8 & VIC8– 3”, 6" or 8" in-ceiling loudspeaker, 8Ω and 70/100V line transformer with multi-tap power connections.
  • Ecler eMOTUS5PB- a 2 way, 5” and 1” tweeter, loudspeaker kit including an active and a passive cabinet. eMOTUS5PB features Bluetooth connection as well as balanced and unbalanced audio inputs along with an remote control and 0-10VDC remote port for volume control.
  • Ecler eMOTUS8OD- a single 2-way, 8” woofer and 1" tweeter loudspeaker suitable for low and high impedance lines, with different power taps. Suitable for indoor and outdoor applications as its IP65-rated.
Microphone example:
SONY MAS-A100 beamforming ceiling microphone with advanced speech reinforcement technology – enabling truly hands-free and contactless lectures and presentations.
Ecler eMHH1- a handheld cardioid dynamic microphone

Multi Room & Campus

The Terracom Audio over IP product range is designed to transmit live, on-demand and pre-recorded, audio alerts and pages, across a new or existing network.

responsive image with clickable areas TERRACOM weatherproof HornSpeaker Terracom-DS Terracom-Server IP Speakers Terracom Paging Console TERRA-K Terracom Paing Console PPMIT5 Terracom IP Audio Decoder Terracom-SAP Projectors Microphones Terracom-EX Amplifiers Ceiling Speakers Terracom IP Door Station Terracom Wall Remote Controller RAC8 Ceiling Speakers Terracom IP Audio Decoder Microphones

Features full duplex, input/output control, internal memory, integrated scheduler, event management, volume control, acoustic echo cancellation (AEC), noise reduction. Powered via POE and/or external power supplies.

Minimising cable pulling, installation time, installation disruption, remote set-up and maintenance.

Local or Remote Control / Management

Today, researching and purchasing products nearly always results in devices that connect either to a local network or to the cloud for control and management. This provides an opportunity to lower the total cost of ownership of the devices by simplifying the onsite installation, simplifying the device configuration and by providing the ability to remotely diagnose and maintain individual devices or entire systems.

Examples are:
LEA Professional - Connect Series amplifiers are designed from the ground up to be configured and managed across a network.
Ecler – EclerNet ecosystem of devices and software to deploy, managed and used by customers.
Terracom – A suite of Audio over IP(AoIP) products using standard SIP protocol and enabling unicast, multicast or broadcast functionality over standard network architecture.

Featuring priority management, backup management, event management, built-in scheduler, volume control, acoustic echo cancellation, noise reduction, paging, intercom, music streaming, routing, logic control, monitoring etc...

Network Protocols

SIP: Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, and terminating real-time sessions that include voice, video, and messaging applications.
Ideal for merging audio, telephony and access control, transported over standard Ethernet networks as used by Terracom.
Dante: Dante is a combination of software, hardware, and network protocols that deliver uncompressed, low-latency audio over a standard Ethernet network as used by Ecler and LEA.

Shopfront Video Wall

The Challenge

To allow your message and all content to be seen in areas of bright ambient, competing light – cost effectively

LG's 55VX1D - high brightness LCD displays, deliver all digital signage material clearly under the brightest lights or high ambient lighting. The 4K (UHD) DisplayPort Daisy-Chain, allows 4K (UHD) multimedia content to be shown across multiple screens without being downscaled or degraded.

BrightSign XT media player offers a high performance, no compromise, immersive 4K digital signage experience using a dedicated Signage OS - no chance of Windows messages or the blue screen of death ever being displayed. Only a single player required – no issues with syncing multiple players.

CHIEF LVS1U bracket provides the ability to level each row (micro-adjustable) by using industry standard Unistrut, to connect multiple mounts together.

Product Function
LG 55VX1D LG's new 55” high brightness video wall panel with a high luminance of 1,500 nits. Full HD 1,920 x 1,080 resolution with UHD DisplayPort Daisy-Chain. 3.5mm ultra narrow bezel to bezel width creates a seamless viewing experience. Covered by a 3-year 24/7 commercial warranty.
BrightSign’s most powerful H.265/H.264 4K and Full HD video engine with Dolby Vision and HDR10+ support, 4K upscaling and dual decoding of two 4Kp60 videos simultaneously. Delivers the best HTML5 rendering performance available for Enterprise applications. Includes Gigabit Ethernet with PoE+, GPIO, IR, analog/digital audio and an M.2 SSD PCIe interface.
Brightsign WS103WW M.2 module enabling BrightSign players to connect to the wireless network using Wi-Fi, supports 802.11a/b/g/n/ac protocols.
Chief LVS1U ConnexSys Video Wall Mounting System provides the ability to level each row once by using strut channel to connect multiple mounts together with a simple-to-install system that can handle the largest requirements. 200 x 100 – 700 x 400 mm VESA mount compatibility with 68kg weight capacity per mount.