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Summary of Contents for Sonifex Redbox RB-AEC
- Page 1 Redbox RB-AEC Acoustic Echo Canceller Manufacturers of audio & video products for radio & TV broadcasters...
- Page 2 Information in this document is subject to change without notice and does not represent a commitment on the part of the vendor. Sonifex Ltd shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual.
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Page 3: Table Of Contents
Fig 2-1: The RB-AEC Front Panel Applications Fig 2-2: The RB-AEC Rear Panel How to Remove Delayed Presenter’s Audio From Their Fig 4-1: The RB-AEC Sonifex Service Discovery Tool Earpiece Fig 4-2: The RB-AEC Webserver Interface - Home The Problem:... - Page 4 Warranty Registration Register Online for an Extended 2 Year Warranty As standard, Sonifex products are supplied with a 1 year back to base warranty. If you register the product online, you can increase your product warranty to 2 years and we can also keep you informed of any product design improvements or modifications.
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Page 5: Product Warranty - 2 Year
Sonifex website within 30 days of purchase, you accordance with the provisions of this Contract. A reference to the consent, can increase your product warranty to 2 years. Go to the Sonifex website at: acknowledgement, authority or agreement of the Company means in http://www.sonifex.co.uk/technical/register/index.asp to apply for your 2... - Page 6 Warranty (vi) the defect has not arisen from a design made, furnished or At the request and expense of the Purchaser the Company will test specified by the Purchaser; the Goods to ascertain performance levels and provide a report of the results of that test.
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Page 7: Unpacking Your Product
If you require a different power lead, please let us know when ordering the product. Repairs & Returns Please contact Sonifex or your supplier if you have any problems with your Sonifex product. Email technical.support@sonifex.co.uk for the repair/ upgrade/returns procedure, or for support & questions regarding the... -
Page 8: Ce Declaration Of Conformity And Approval Information
NN9 5QE • United Kingdom • www.sonifex.co.uk T: +44 (0)1933 650 700 • F: +44 (0)1933 650 726 This document certifies that the Sonifex product that you have purchased is compliant with CE specifications. If you would like further information on... -
Page 9: Safety & Installation Of Mains Operated Equipment
Safety & Installation Safety & Installation of Mains Power Cable & Connection Operated Equipment An IEC power connector is supplied with the product which has a moulded plug attached – this is a legal requirement The mains lead is automatically There are no user serviceable parts inside the equipment. -
Page 10: Weee Directive
All products manufactured by Sonifex Ltd have the WEEE directive label Atmosphere placed on the case. Sonifex Ltd will be happy to give you information about local organisations that can reprocess the product when it reaches its “end The units should be installed in an area that is not subject to excessive of use”, or alternatively all products that have reached “end of use”... -
Page 11: Introduction
Although acoustic echo Synchronisers, Delays & Silence Detectors. cancellation is more commonly implemented in telephony systems, the Sonifex RB-AEC is designed to produce broadcast quality cancellation. Product Function Much like during a conference call configuration between two rooms, each Remove acoustic echo in a presenter’s earpiece caused by microphones... -
Page 12: System Block Diagram
Introduction Operation of the RB-AEC The RB-AEC is a high performance, reliable single channel acoustic echo canceller designed to be a transparent addition to an exisiting studio The post-processed transmission output program from the studio (A) is environment. sent to the RB-AEC as an analogue or digital audio signal (the stereo input is auto-sensing) which acts as a mix-minus to the input signal (B) from The canceller will auto-detect analogue and digital inputs with sample rates the Control Room. -
Page 13: Fig 1-3: The Rb-Aec Functional Block Diagram
Introduction ANA/AES Input ANA Output ANA Output ANA/AES Input AES Output Fig 1-3: The RB-AEC Functional Block Diagram... -
Page 14: Front Panel Controls And Indicators
Connections and Operation Front Panel Controls and Indicators Power Reset Button Fig 2-1: The RB-AEC Front Panel Power LED The source of this XLR input must be from the audio feed that is the source of the echo. This is used by the cancelling algorithm to calculate what to remove The POWER LED illuminates whilst internal power is present within from the near end. -
Page 15: Settings Dipswitch
Connections and Operation GPIO Analogue & Analogue Digital Connector Digital Inputs Outputs Output Settings Ethernet Port Fuse Mains Input Fig 2-2: The RB-AEC Rear Panel Settings DIPSwitch Both channels contain the same signal. When using analogue as the input type, only analogue outputs are enabled. Unit Settings are configured using a 4 way DIPSwitch: Digital Output Settings DIPSwitch... -
Page 16: Gpio Connector
Ethernet Port firmware. Once in Bootstrap Mode you will need to load main firmware into the device using a standalone application. Contact Sonifex for more The Ethernet port is connected using a standard RJ-45 connector on the rear of the panel. It is a 10/100Mbps link. The unit can be controlled information. -
Page 17: Applications
Applications Applications The Solution: 1. Connect the director’s microphone signal (at line level) to the RB-AEC How to Remove Delayed Presenter’s Audio From near-end input. Their Earpiece 2. Connect the gallery monitor signal (at line level, containing the presenter’s microphone audio) to the RB-AEC far-end input. The Problem: 3. -
Page 18: How To Remove Delayed Caller Audio From Telephone Line
Applications How to Remove Delayed Caller Audio From The The Solution: Telephone Line 1. Connect the mixed studio microphones signal (at line level) to the RB- AEC near-end input. The Problem: 2. Connect the TBU output to the RB-AEC far-end input. Caller audio from the telephone hybrid is played aloud in the TV studio, 3. - Page 19 Applications Calibration When using the RB-AEC for the first time, the unit must first be calibrated to suit the environment in which it will be used. Using the webserver, select the ‘Config’ tab. 1. Select the desired sample rate. 2. Measure the distance between the speaker and microphone in centimetres.
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Page 20: Webserver & Unit Discovery
The RB-AEC uses the Zeroconf networking methodology to allow the unit to The Sonifex device can be detected using the Sonifex Discovery Tool and the be a “plug and play” device. Just simply connect it to the network and use device’s webserver may be launched. -
Page 21: Home Page
Network Discovery and Webserver Home Page Welcome to the RB-AEC1 webserver interface. The input type for both far end and near inputs is shown. Without an AES/ The input type for both far end and near inputs is shown. Without digital EBU digital lock detected, the input type will be shown as ‘Analogue’. -
Page 22: Sample Rate
Network Discovery and Webserver Configuration Page Offset Measure the distance between the speaker and microphone in centimetres. This page shows the configuration options for the RB-AEC. Halve this number and enter it here. Otherwise leave this value at zero. Example: For a distance of 100cm, enter 50. Reset Coefficients If the canceller is performing poorly it may be necessary to reset the coefficient values and allow the AEC to recalculate. -
Page 23: Noise Gate Threshold
Network Discovery and Webserver Network Page Noise Gate Threshold: This threshold sets the point at which the noise gate is enabled or disabled. Displays the Hostname, Static IP Address, Static subnet mask, Gateway IP address, and whether DHCP and Auto IP are enabled. Noise Gate Release Time: After the noise gate has been triggered, a length of time can be set before the gate can be released. -
Page 24: Static Ip Address
Network Discovery and Webserver Static IP Address Device Info Page Enter the static IP address that you wish to assign to this unit. This IP This page shows general information about the connected RB-AEC. address will be used if Dynamic addressing is disabled. The default static IP address is 192.168.0.100 Static Subnet Mask Enter the subnet mask of the network you wish to connect to. -
Page 25: Update Page
The version of firmware currently running on this unit is V1.0.6. To find out if there is new firmware for this unit, check the Sonifex website. If an update is available, download the latest version and save the file to your computer. -
Page 26: Technical Specification For Rb-Aec
Technical Specification Technical Specification For RB-AEC Audio Specification Remote I/O Port: 9 way D-type socket Audio Input 1 x mono analogue or AES/EBU digital on XLR Ethernet Port: 1 x RJ45 with status LEDs (Near End/Program): 3-pin female (autoselecting) Mains Input: Filtered IEC, continuously rated 85 Audio Input 1 x mono analogue or AES/EBU digital on... - Page 27 Notes...
- Page 28 . s o n i f e x . c o . u k t:+44 (0)1933 650 700 f:+44 (0)1933 650 726 sales@sonifex.co.uk...
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