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ii

Warranty

(vi)   the defect has not arisen from a design made, furnished or 

specified by the Purchaser;

(vii)   the Goods have been assembled or incorporated into other 

goods only in accordance with any instructions issued by the 
Company;

(viii)   the defect has not arisen from a design modified by the 

Purchaser;

(ix)   the defect has not arisen from an item manufactured by 

a person other than the Company. In respect of any item 
manufactured by a person other than the Company, the 
Purchaser shall only be entitled to the benefit of any warranty or 
guarantee provided by such manufacturer to the Company.

(b)   In respect of computer software supplied by the Company the 

Company does not warrant that the use of the software will be 
uninterrupted or error free.

(c)   The Company accepts liability:

(i)  

for death or personal injury to the extent that it results from the 
negligence of the Company, its employees (whilst in the course 
of their employment) or its agents (in the course of the agency);

(ii)   for any breach by the Company of any statutory undertaking as 

to title, quiet possession and freedom from encumbrance.

(d)   Subject to conditions (a) and (c) from the time of despatch of 

the Goods from the Company’s premises the Purchaser shall be 
responsible for any defect in the Goods or loss, damage, nuisance 
or interference whatsoever consequential economic or otherwise or 
wastage of material resulting from or caused by or to the Goods. In 
particular the Company shall not be liable for any loss of profits or 
other economic losses. The Company accordingly excludes all liability 
for the same.

(e)   At the request and expense of the Purchaser the Company will test 

the Goods to ascertain performance levels and provide a report of 
the results of that test. The report will be accurate at the time of the 
test, to the best of the belief and knowledge of the Company, and the 
Company accepts no liability in respect of its accuracy beyond that 
set out in Condition (a).

(f)  

Subject to Condition (e) no representation, condition, warranty or 
other term, express or implied (by statute or otherwise) is given by 
the Company that the Goods are of any particular quality or standard 
or will enable the Purchaser to attain any particular performance 
or result, or will be suitable for any particular purpose or use 
under specific conditions or will provide any particular capacity, 
notwithstanding that the requirement for such performance, result or 
capacity or that such particular purpose or conditions may have been 
known (or ought to have been known) to the Company, its employees 
or agents.

(g)   (i)  

To the extent that the Company is held legally liable to the  

 

Purchaser for any  

 

single breach of contract, tort, representation or other act or  

 

default, the Company’s liability for the same shall not exceed  

 

the price of the Goods.

(ii)   The restriction of liability in Condition (g)(i) shall not apply to 

any liability accepted by the Seller in Condition (c).

(h)   Where the Goods are sold under a consumer transaction (as defined 

by the Consumer Transactions (Restrictions on Statements) Order 
1976) the statutory rights of the Purchaser are not affected by these 
Conditions of Sale.

Summary of Contents for Redbox RB-AEC

Page 1: ...Manufacturers of audio video products for radio TV broadcasters Redbox RB AEC Acoustic Echo Canceller HANDBOOK...

Page 2: ...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 No part of this manual may be reproduced...

Page 3: ...n 8 Calibration 9 Webserver Unit Discovery 10 Running The Webserver 10 Home Page 11 Far End and Near End Input Type 11 Adaption Status 11 Sample Rate 12 Offset 12 Reset Coefficients 12 Save Coefficien...

Page 4: ...uk y Internet www sonifex co uk 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...

Page 5: ...n the product has been registered at the Sonifex website when the Warranty Term is 24 months from the date of despatch the Contract means the quotation these Conditions of Sale and any other document...

Page 6: ...for any loss of profits or other economic losses The Company accordingly excludes all liability for the same e At the request and expense of the Purchaser the Company will test the Goods to ascertain...

Page 7: ...d with the following equipment so please check to ensure that you have all of the items below If anything is missing please contact the supplier of your equipment immediately Item Quantity Product Uni...

Page 8: ...imited hereby certify that the following product with serial number shown has been designed and manufactured in accordance with the following specifications EMC EN 55103 1 1997 Electromagnetic Compati...

Page 9: ...path of the mains power input For reasons of safety it is important that the correct rating and type of fuse is used Incorrectly rated fuses could present a possible fire hazard under equipment fault...

Page 10: ...nd does not use any of the hazardous substances identified in the European Union s Restriction of Hazardous Substances RoHS directive The manufacturing processes include the assembly of purchased comp...

Page 11: ...put from the presenter s feed by adapting to the environment in which the control room microphones are placed Although acoustic echo cancellation is more commonly implemented in telephony systems the...

Page 12: ...ransparent addition to an exisiting studio environment The canceller will auto detect analogue and digital inputs with sample rates up to 192kHz Digital output is available when using a digital input...

Page 13: ...3 Introduction 1 ANA AES Input ANA Output ANA Output AES Output ANA AES Input ADC DSP DAC SRC SRC SRC Fig 1 3 The RB AEC Functional Block Diagram...

Page 14: ...cally balanced with the following connections Pin 1 Screen Pin 2 Phase Pin 3 Non phase Reset Button Power LED The source of this XLR input must be from the audio feed that is the source of the echo Th...

Page 15: ...onfigurations for the Near End and Far End inputs Settings DIPSwitch Unit Settings are configured using a 4 way DIPSwitch Settings DIPSwitch 1 Far end digital input termination ON Terminated OFF Unter...

Page 16: ...lector output is normally HIGH Should a power failure occur this level will go low DGND Mute Input Detect Setting the mute input detect pin 4 to DGND 0V will disable adaption This may prevent the canc...

Page 17: ...phone signal at line level to the RB AEC near end input 2 Connect the gallery monitor signal at line level containing the presenter s microphone audio to the RB AEC far end input 3 Connect the RB AEC...

Page 18: ...vel Line Level The Solution 1 Connect the mixed studio microphones signal at line level to the RB AEC near end input 2 Connect the TBU output to the RB AEC far end input 3 Connect the RB AEC output s...

Page 19: ...s on Startup This will ensure that any saved coefficients are used next time the unit is switched on 4 Set the presenter s Far End silence detect threshold Levels below this value will disable the can...

Page 20: ...ing methodology to allow the unit to be a plug and play device Just simply connect it to the network and use it The unit is assigned an IP address using a DHCP server or a self assigned address using...

Page 21: ...inputs is shown Without digital lock detected the input type will be shown as Analogue When the canceller has detected digital lock the Digital input type will be displayed Far End and Near End Input...

Page 22: ...is performing poorly it may be necessary to reset the coefficient values and allow the AEC to recalculate Click to clear all current coefficient values Save Coefficients When a working configuration i...

Page 23: ...gate from being activated during speech Set a time in milliseconds between 0 and 500 Network Page Displays the Hostname Static IP Address Static subnet mask Gateway IP address and whether DHCP and Au...

Page 24: ...ress Enter the gateway IP address of your router The default gateway is 192 168 0 1 Dynamic Addressing Enable dynamic addressing to allow the unit to acquire it s IP address automatically from a DHCP...

Page 25: ...ng 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 Browse y...

Page 26: ...16kHz THD N 0 01 8dBu 20Hz 8kHz unity gain 8kHz BW fs 24kHz THD N 0 01 8dBu 20Hz 12kHz unity gain 12kHz BW Noise 84dB RMS unity gain ref 8dBu output Frequency Response 20Hz 9 5kHz 0 0 5dB Rejection Ra...

Page 27: ...Notes...

Page 28: ...www sonifex co uk t 44 0 1933 650 700 f 44 0 1933 650 726 sales sonifex co uk...

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