DIGITAL LOUDSPEAKER MANAGEMENT
Contents
1. 2 Output 1 Output 2 Output 3 Output 4 Output 3 Output 4 Output 5 Output 6 V2 0 Audient 03 2005 13 gt re User Manual DSP Controls DSP Controls This section describes each of the DSP modules and its controls As you can see from the diagram above some modules are common to both inputs and outputs while some are specific to one or the other Consequently this section describes all DSP functions with notes where they are channel specific Gain e F1 Gain adjustable in 0 2dB steps from 80 dB to 20dB Delay e F1 Delay adjustable in variable steps from O to 400ms V2 0 Audient 03 2005 14 gt re User Manual DSP Controls High and Low Pass Filters LPF on output only F1 F2 F3 e F1 Frequency lt lt out 10 0Hz to 25 6kHz out gt gt e F2 Filter shape slope The bottom left hand corner of the display will indicate whether the filter is high or low pass As you can see from the diagram above input channels have one high pass filter while outputs have one high and one low pass Filter shape and slope is selectable from Butterworth Bessel Linkwitz Riley and Hardman Filter slopes of up to 8th order or 48dB octave are provided although not all filter types are available in all slopes The Hardman type filter is a shape unique to One Rather than following a linear slope Hardman filters become progressively steeper allowing you to create more precise crossovers with less overlap2. constants EQ fr eque ncy snecsr getasantenaretentanuteane 10Hz to 25kHz 1 36 octave steps BOE Gal sise savent rennes 15dB to 15dB 0 2dB steps EQO width aka in 5 0 to 0 1 octaves bandwidth 1 36 octave steps Connectors Audi IN PUTS asus east 3 pin female XLR Audio OUtPUTS icc sssseiactiseiessaniediaeenes 3 pin male XLR serial COMMS n nee nenne Future option Network comms namen nn en Future option Mainsa essen ee et 3 pin IEC Mains Power Universal switch mode PSU 85v to 250v AC 50 60Hz Consumption lt 25watts Dimensions un 44mm H 482mm W 254mm D Weight unsinnig 2 7 Kgs net V2 0 Audient 03 2005 24 ELLE I User Manual Quick Reference Quick Reference Input DSP block diagram High Shelf EQ Routing NB Channel B processing is identical to Channel A but for clarity it is not shown Input B Output DSP block diagram Page Channels F1 F2 F3 Notes Gain Ins Outs Gain dB Delay Ins Outs Delay In lt 400ms ms Out lt 80ms HPF Ins Outs Freq Hz Filter type 4 or 8m and slope order dB oct Hardman LPF Outputs Freq Hz Filter type See above only and slope dB oct Hi Shelf Ins Outs Freq Hz Slope Gain dB oct dB Lo Shelf Ins Outs Freq Hz Slope Gain dB oct dB Para EQ Ins Outs Freq Hz Width 6 bands per channel Limiter Outputs Threshol only d d
3. Because of their nonlinear shape dB octave measurements are not truly representative of Hardman filters responses they are always described by their order rather than their slope For more information on filter responses see the graphs on page 21 V2 0 Audient 03 2005 15 gt re User Manual DSP Controls EQ High and Low shelving filters e F1 Frequency 10 0Hz to 25 6kHz in variable steps e F2 Slope 6 to 12dB octave in 1dB steps e F3 Gain 15dB in 0 2dB steps The frequency shown is the turnover point where the filter deviates by 3dB Parametric EQ e F1 Centre Frequency 10 0Hz to 25 6kHz in variable steps e F2 Width display selectable for either Q or bandwidth BW See utilities below to change view options BW adjustable from 0 05 to 5 octaves in variable steps Q adjustable from 14 2 to 0 2 in variable steps e F3 Gain 15dB in 0 2dB steps V2 0 Audient 03 2005 16 EE Fe gt User Manual DSP Controls Importing Parametric EQ Settings Care should be taken when importing the EQ settings from other speaker management units as the results may not be quite what you expect This is because the 3 parameters of Frequency Boost Cut and Q or Octave Bandwidth do not give a complete definition of the actual filter shape Although Frequency and Boost Cut are absolute values O or Octave Bandwidth is generally only correct at one Boost Cut setting This is usually at or near maximum
4. Bu Routing Outputs Source Input A only input B or sum A B Utilities 1 Screen EQ display Q or BW Contrast octaves Utilities 2 Preset Mono or Format Stereo V2 0 Audient 03 2005 25 EE Fe User Manual Quick Reference To recall a preset e Ensure that any current unsaved settings are stored e Press Recall e Use knob F1 to select a preset e Press Recall to select the preset and Recall again if you re certain Base presets Mono and Stereo are stored in locations 1 and 2 respectively Pressing any other button will cancel the operation To store a preset e Set the unit as desired e Press Store e Use knob F1 to select a preset location e Use knobs F2 characters and F3 cursor to create a preset name e Press Store to write to the preset location Storing will overwrite any existing settings stored in the selected preset location Base presets in locations 1 and 2 cannot be overwritten To change mono stereo format e Navigate past the last channel or before the first to Utilities page 2 e Use knob F1 to select mono or stereo mode Selecting stereo mode will copy the settings from the left side to the right To set delay e Navigate to the desired channel Distance m Delay ms e Use the edit buttons to find the delay 10 29 4 page between Gain and HPF 50 1471 e Use knob F1 to set delay time 100 294 1 To set routing e Navigate to the des
5. CDr DE DIGITAL LOUDSPEAKER MANAGEMENT User Manual Version 2 0 March 2005 audient gt re User Manual Copyright Information audent Copyright Information Audient 2005 All rights reserved The information in this document is subject to change without notice Audient plc makes no warranty of any kind with respect to the material in this document and shall not be liable for errors contained herein or for incidental or consequential damages related to the use of the material No part of this document may be reproduced without the prior written consent of Audient plc V2 0 Audient 03 2005 2 EE Fe User Manual Thank you Thank you As you ll find throughout the Audient range your One has been painstakingly designed and craftily engineered to give you years of productive reliable hard rocking performance To make the most of this we suggest that you have a good look through this manual before you get started The safety and installation section will help you set up your One with the minimum of danger and hassle while the operational guide will take you on a whistle stop tour of One s features controls and flashing lights along with some useful hints for their use Of course if this is all looks fairly familiar just read the safety section and keep the quick reference guide by your side Just in case V2 0 Audient 03 2005 3 lt gt I Contents Important Safety Instructio
6. boost or cut At all lower settings the actual Q will be lower i e the Octave Bandwidth will be wider The variation in actual Q can be between almost nothing in a Constant Q design to considerable in a Proportional Q design An additional source of error can result from confusion between O and Octave Bandwidth At least one other manufacturer calculates Octave Bandwidth by simply assuming that it is the reciprocal 1 of Q This would indicate that a Q of 1 would be an Octave Bandwidth of 1 In fact a Q of 1 is really an Octave Bandwidth of 1 39 A clearer indication of the scale of the error is apparent with a Q of 4 5 which is actually one third of an octave The reciprocal of 4 5 would imply that it is only one fifth of an octave A simple rule of thumb to convert Octave Bandwidth to Q is to divide the Square Root of 2 1 414 by the Octave Bandwidth Alternatively to convert Q to Octave Bandwidth divide the square root of 2 by Q Although this is not 100 accurate it will return an error of less than 2 between O values of 1 and 10 V2 0 Audient 03 2005 17 gt re User Manual DSP Controls Limiters outputs only F1 F2 F3 e F1 Threshold 40dBu to 20dBu in 0 2dB steps A high performance low distortion limiter is provided on each output Threshold is user adjustable all other parameters are carefully calculated dependant on configuration to provide clean and effective control of si
7. c default programs 1 basic stereo lt 100 100 1K 1K gt lt 100 100 1K 1K gt 2 basic mono full range full range full range full range full range full range V2 0 Audient 03 2005 20 lt gt I User Manual EQ and Filter Response Graphs EQ and Filter Response Graphs Butterworth Magnitude dB 100 1 10 1 10 Frequency Hz 6dB Oct 12dB Oct 18dB Oct 24dB Oct 48dB Oct Linkwitz Riley a T g 2 a gt 100 1 10 1 10 Frequency Hz 12dB Oct 24dB Oct 48dB Oct V2 0 Audient 03 2005 21 lt gt I User Manual EQ and Filter Response Graphs Bessel 6 0 n 6 T g 12 z 5 718 Oo 24 30 36 100 1 10 1 10 Frequency Hz 12dB Oct 24dB Oct Hardman m TD ge T D gt 100 110 Frequency Hz Ath Order 8th Order V2 0 Audient 03 2005 22 lt gt I User Manual EQ and Filter Response Graphs Shelving EQ Magnitude dB 100 110 Frequency Hz Low shelf varying Gain High shelf varying Slope 1 10 Parametric EQ Magnitude dB 1 10 10 Frequency Hz Varying Gain Varying Bandwidth V2 0 Audient 03 2005 23 EE Fe User Manual Technical Speci
8. e display The screen shows up to three parameters for a given part of the processing functions on a given channel The edit buttons allow you to scroll in either direction through the different processing pages for a given Channel When you go past the last page you will be returned to the default page If you re scrolling through channels and notice that the edit page has changed fear not this is probably because the selected channel doesn t have the selected edit parameters For example inputs do not have a low pass filter V2 0 Audient 03 2005 10 EE Fe User Manual Operation Presets One has 45 presets which capture a complete snapshot of the unit s current state Aside from the unit s two Base Presets described below you are free to store settings wherever you wish To save confusion over which preset does what One also allows you to name your presets with text labels Just how sensible they are is entirely up to you Base Presets The unit has two Base Presets mono and stereo These are empty templates from which you can quickly configure your own settings They are stored in locations 1 and 2 respectively Although the base presets are locked and cannot be overwritten you can edit a base preset to your heart s content and then store your new settings into any unlocked location i e not 1 or 2 Details of the base presets and a space for noting your own preset details can be found in A
9. fication Technical Specification General IAp TS arena 2 Input Impedance gt 10k Ohm Electronically balanced Maximum Input level eee eeee es 20dBu OUTDO UES sapne nra n r EE four ONE 4 or six ONE 6 Output Impedance lt 100 Ohm ground balanced Maximum Output Level 202dBu into 6000hm load Sample Rate 96kHz Bit DSpTN 5 22 he eee 24 bit Frequency Response 10Hz to 40kHz 3dB filters disabled 20Hz to 20kHz 0 5dB filters disabled a udeateteacesvancsteceegese lt 0 01 10dBu 20Hz to 20kHz 30kHz bandwidth Dynamic Range gt 112dB A weighted 22kHz bandwidth gt 109dB un weighted 22kHz bandwidth Serial Comms Data 38 4kbaud format 8 data 1 stop no parity Processing GaN PR reiste sau sterasteeen 20dB to 80dB and mute 0 2dB steps Output Ch Source Input Input B and SUM HP filter frequency eee eeeaeeees Off 10Hz to 25 4kHz 1 36 octave steps LP filter frequency eee eeeeeeaees 10Hz to 25 4kHz and off 1 36 octave steps LP AIP filter type 12 18 amp 24dB octave Bessel and Butterworth 12 24 and 48dB octave Linkwitz Riley 4 or 8 order Hardman Delay dass ons emails Input 400ms output 80ms Limite fies acd ces iceerespendaadeantacbisabaxeciacectaentenecian High performance limiter adjustable threshold in 0 2dB steps automatic time
10. gnal dynamics The front panel limit indicators show when the threshold is reached For system protection this module cannot be bypassed but setting the threshold to its maximum level will cause limiting only when it is absolutely necessary Routing outputs only F1 F2 F3 e F1 Output source selectable Input A Input B or Sum A B In mono mode this selects the source for a given output In stereo mode routing is preset to the format shown above on page 13 V2 0 Audient 03 2005 18 gt Dez User Manual Utilities Utilities Utility functions Two utility pages are provided to adjust infrequently used settings These can be found by pressing the channel buttons until you pass the last output or before input 1 Utility page 1 sets system wide display parameters Screen contrast allows you to adjust the display for different viewing angles Parametric EQ bandwidths can be set to display in as OQ values or in octaves F1 F2 F3 Utility page 2 sets the current format to mono or stereo Care should be taken when swapping between mono and stereo mode as the parameter set for the left hand channels will be copied to and overwrite the right hand settings This is not reversible and could be a real pain if you ve just spent ages setting up the right side of your system For more information on formats see page 13 V2 0 Audient 03 2005 19 lt gt I Presets User Manual Presets Basi
11. hannel pairing whose parameters will both be edited Edit Select Buttons The currently selected edit page is displayed on the bottom left corner of the LCD Pressing the edit select buttons moves through the available parameters for the currently selected channel V2 0 Audient 03 2005 7 CDa ee User Manual Rear Panel Text Display The main display shows preset channel parameter and status information In most screens the currently selected channel is displayed on the upper line and the edit parameter on the lower line Parameter Knobs These velocity sensitive encoders are associated with the current on screen parameters For example the value shown on the screen above the letter F1 is controlled by knob F1 Output Level Indicators Two LEDs are provided for each output channel These show the signal level relative to the limiter threshold The green LED will light when the signal is 6dB below the threshold and the red limit LED will light when the limiter threshold is reached Mutes Each output has a mute button and associated status LED Note that the mute buttons do not function when the Secure mode is activated See below for details of Secure mode Rear Panel Expansi ge Secure Mode Switch Audio Input Power Inlet i Connectors rio 4 Serial Comms Port Audio Output Connectors Power Inlet The AUDIENT ONE series unit should be connected to a suitable main
12. ignal path making the unit secure against tampering When in secure mode the indicators still operate normally Note that the communications port is still active in secure mode Communications Port Connector To allow for future developments See www audient co uk for all news and product information V2 0 Audient 03 2005 2 CE Fe User Manual Operation Operation The unit will power up as soon as power is applied to the IEC inlet as there is NO power switch During the start up process the firmware application model number and version numbers are displayed and the outputs are muted until the unit has completed its internal checks this should take around 5 10 seconds Once the start up routines are complete the processor will restore the settings as they were previous to the unit being powered down and gradually ramp up the audio signal to its correct level Navigation Pressing the channel select buttons will scroll through the channels then through utilities and back to the default screen The currently selected channel is shown in the top left hand corner of the display When operating in stereo mode more on this shortly the channel selection will reflect this by showing the names of both paired channels CHANNEL EDIT Pressing the edit navigation buttons gives access to the various pages of parameters available for each channel The currently selected page is shown in the bottom left hand corner of th
13. ired output channel e Use the edit buttons to find the routing page e Use knob F1 to select the source input A B or A B V2 0 Audient 03 2005 26
14. loaded settings To given system can cause expensive keep these or save changes to sometimes irreparable damage to an existing preset first store attached devices such as amplifiers and them as described above loudspeakers Be certain before recalling before attempting to recall a preset that any attached devices are another preset muted and that you check settings before passing audio V2 0 Audient 03 2005 12 CDa re User Manual DSP Processing DSP Processing Input DSP block diagram 4th Order Low Six Band High HPF Shelf EQ PEQ Shelf EQ Routing NB Channel B processing is identical to Channel A but for clarity it is not shown Output DSP block diagram 8 Order 8 Order Low HPF LPF Shelf EQ Routing Stereo Mono Formats Formats affect the way the above DSP modules are controlled In Mono Six Band High Limiter PEQ Shelf EQ format all outputs have unique parameter settings and flexible routing Stereo format pairs the inputs and outputs for stereo operation the parameters of each member of the pair being identical The routing of inputs to outputs is fixed This format is intended for symmetrical stereo operation eliminating the need to make identical parameter adjustments for each channel The channel pairing is differs for four and six output units One 4 One 6 L R L 5 Left Input Right Input Left Input Right Input Output 1 Output
15. ns Front Panel Rear Panel Operation DSP Processing DSP Controls Utilities Presets EQ and Filter Response Graphs Technical Specification Quick Reference V2 0 Audient 03 2005 User Manual Contents 10 13 14 19 20 21 24 25 EE re User Manual Important Safety Instructions Important Safety Instructions r CAUTION ATTENTION RISK OF ELECTRIC ae RISQUE DE CHOC NE PAS ENLEVER DO NOT OPEN WARNING THIS EQUIPMENT MUST BE EARTHED DO NOT EXPOSE TO RAIN OR MOISTURE PLEASE READ ALL OF THE FOLLOWING INSTRUCTIONS AND SAVE THEM FOR LATER REFERENCE BEFORE ATTEMPTING TO CONNECT YOUR ONE TO THE AC POWER SOURCE V2 0 Audient 03 2005 5 EE Fe User Manual Important Safety Instructions Please read carefully and keep the following instructions and safety information Heed all warnings and follow all instructions e Do not remove covers There are no user serviceable parts inside please refer servicing to qualified service personnel e This equipment must be earthed e Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus e Only use attachments accessories specified by the manufacturer e Servicing is required when the apparatus has been damaged in any way such as the power supply cord or plug is damaged liquid has been spilled or objects have fallen into he apparatus the apparat
16. ppendix A Preset Store To store the current settings press Store the button label will illuminate and the store page will appear Use parameter knob F1 to select a storage location Once you ve chosen a location the other two knobs to enter your own preset name F2 selects characters while F3 moves along the screen Pressing the Store Button again completes the process and stores the Preset Pressing any other button will cancel the operation SELECT STORE STORE LOCATION STORE a NAME PRESET If you see LOCKED PRESET this means that you re trying to store your settings in location 1 or 2 This is where the base presets are stored so go find somewhere else to put your settings V2 0 Audient 03 2005 11 gt re User Manual Operation Preset Recall To select an existing preset press the Recall Button the button label will illuminate and the recall page will appear Turn parameter knob F1 until the required preset number is shown on the display Base Presets are indicated by a box symbol appearing after the preset number Press the Recall Button again to activate the Preset You will be asked to confirm one more time and if you re really really sure press recall again As with storing pressing any other button cancels the operation F1 F2 F3 SELECT PRESET RECALL TO RECALL RECALL Recalling a preset will clear the Inappropriate crossover settings for a currently
17. s electricity supply using the cable supplied The processor has a switch mode V2 0 Audient 03 2005 8 EE Fe User Manual Rear Panel power supply that is capable of operating with a nominal mains voltage of 85V to 240V 50 60Hz without re configuration Expansion Port To allow for future developments See www audient co uk for all news and product information Audio Input Connectors All audio connections are fully balanced and wired pin 1 ground pin 2 hot amp pin 3 cold The two inputs have pin 1 connected directly to the chassis and feed the signal processing chains If an unbalanced source is used a connection should be made between the pin 3 cold signal and the ground connection of the unbalanced source Audio Output Connectors The processed outputs are impedance balanced and wired pin 1 ground pin 2 hot and pin 3 cold An unbalanced input may be driven by connecting pin 3 cold signal to the ground connection of the unbalanced destination input Note that output pin 1 s are ground lifted at audio frequencies but connected to ground at RF for good EMC performance The intention being that the amplifiers being driven by the processor should be responsible for the grounding of their input cable shields Secure Button A momentary button is recessed into the rear panel between the output XLRs and RS232 port When activated this will disable all the front panel controls so they cannot affect the s
18. us has been exposed to rain or moisture does not operate normally or has been dropped Regulatory Compliance This product complies with both the EMC Directive 89 336 EEC and the Low Voltage Directive 73 23 EEC as issued by the Commission of the European Community Compliance with these directives imply conformity with the following European standards e EN60065 Product safety e EN55103 1 Electromagnetic Interference Emission e EN55103 2 Electromagnetic Susceptibility Immunity This product is intended for operation in the E2 commercial amp light industrial and E3 urban outdoors Electromagnetic Environments V2 0 Audient 03 2005 6 gt re User Manual Front Panel Front Panel Input Signal Indicators A pair of 8 segment LED bargraph meters indicate input level for each channel These read peak level from signal present at 40dBu to clip warning at 19dBu When the clip warning light first illuminates there is an additional 1dB of headroom available as a safeguard Store and Recall These controls provide access to the unit s 45 presets To see them in action go to page 11 Channel Select Buttons The currently selected channel is displayed on the top left hand corner of the LCD Pressing the channel buttons scrolls through the available input and output channels and finally through the utility functions If the current preset is stereo linked the screen will show the c
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