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Room Calibration

Dirac Live®

6

Introduction

Setup

Measure

Optimize

Export

27

You have now done all the manual adjustments required to proceed with the Automatic Room 
Calibration powered by the Dirac Live

®

 Room Calibration Tool. Before proceeding, you must verify

that you are in possession of an Integrator Calibration Kit including:

1.   A Dirac Live

®

 Room Calibration Tool with StormAudio license,

2.   The microphone UMIK-1 and its accessories. 

If you do not have these two elements, we invite you to contact your distributor to acquire an 
Integrator Calibration Kit or a Dirac Live

®

 Room Calibration Tool with StormAudio license alone.

   The 

Dirac 

Live

®

 Room Calibration Tool for Bryston is a specific version of the tool,

 

 

 

with Bryston drivers integrated, for sole use with Bryston processors.

 

 

 

Other versions of the Dirac LCT license will not work with the SP4.

Notes: 

1.   Although recommended, you are not obliged to use the UMIK-1 USB microphone delivered in the

 

Integrator Kit. You can use your own measurement equipment as long as supported by the Dirac 

 Live

®

 Room Calibration Tool for Bryston. 

2.  The process described in this Guide will only cover our standard case based on using UMIK-1 USB 

 microphone.

3.  The next steps will describe a basic calibration using the standard target curve and automatic 

 

correction window defined by Dirac. 

!

Summary of Contents for SP4

Page 1: ...Installer Guide Date 06 01 2018 Firmware 3 3r1 ...

Page 2: ...1 Model identification 16ch Balanced Dual Theater Expansion 16ch Unbalanced RCA Expansion Options slots usage Optional Modules 9 XKuWvo AW4 ...

Page 3: ... the setup will differ We continuously strive to improve our products Some features might thus be added or be improved Make sure to check whether the installed firmware version matches the installer guide version What s In the Box Installer Guide Safety Instructions SP4 Immersive Sound Processor Firmware 3 3r1 Power cord depending on the region the power cord will be delivered with Fuse to be inst...

Page 4: ...dio equipment connected to the same ground node to avoid ground loop Display Projector XLR cables RCA cables Optical Toslink wire HDMI Cable Amplifier units Speakers with cables LAN router with Cat5 6 RJ45 cable 3 Required equipment the ISP needs a DHCP server to be part of the Network to get an IP address allocated Make sure to check your Internet Provider box or LAN Switch box for router functio...

Page 5: ...5 Theater and Audio Zones creation and configuration 6 Settings of Triggers AV delays limiters display 7 Definition of Listening Presets with Theater and Audio Zones allocation 8 Outputs mapping and connection to amplifiers and subwoofers 9 Installation Monitoring StormMonitoringTM 10 Remote Control interfaces Web Remote and SP4 RemoteTM 5 6 11 12 13 39 43 45 47 52 11 Room Calibration with Dirac L...

Page 6: ...al 5 Connect appropriate Analog Sources via RCA 6 Connect your HDMI sources all inputs support HDCP2 2 By default HDMI1 4 speeds on HDMI IN 1 to 4 HDMI2 0 speeds on HDMI IN 5 to 7 7 Connect your displays HDMI OUT 1 is HDCP1 4 HDMI OUT 2 is HDCP2 2 same content 1 1 Connect the unit as shown below Do not connect the outputs at this stage allocation is done automatically during speakers setup Step 5 ...

Page 7: ...nline Help 6 2 1 Power On the unit following below steps 1 Turn the Main Switch to ON I on the back panel 2 Display will show Bryston logo for few seconds and will enter the Sleep Mode Led turns red continuously 3 When in Sleep Mode press the Power Button Unit will start 1 2 3 ...

Page 8: ... 3 Take note of this address eth IP Addr eth MAC Addr wifi IP Addr wifi MAC Addr Hostname 192 168 1 172 b8 27 eb 70 2b 2c None None bryston sp4 serial number sp4 N00006 temperature 35 C FAN speed 50 fw version 3 3r1 IP Address In case you need to bring the unit back to its default DHCP mode from the front panel follow above Step 1 then press the EDIT button for a few seconds until a message pops u...

Page 9: ...n will give access to the Expert Setup to configure the SP4 Select the Expert Setup The Expert Setup has two levels of access Installer and Expert User Expert user gets access to portions of the setup defined by the Installer Installer user gets full access to the setup Configuration is done at the Installer level Type the default password for Installer being installer And press CONNECTION Only on...

Page 10: ...he ISP by pressing the RESTART button Note that this will not erase the stored settings Pressing LOG OUT will take you back to HOME page with only possible access to REMOTE control 2 6 Select Expert User again You will access the System Page of the SP4 2 7 The Web Installer Interface is structured around a common part on the top area that will remain accessible at all time and give access to the b...

Page 11: ...ve in hands at the moment can be kept quite light More importantly we work continuously on improving or adding features to the product Such Online Help can be updated at the same pace as the Firmware 2 9 The first level of Help consists on information about how the function works and how to configure it It is highlighted as a Question Mark in blue background Standard information will be visible on...

Page 12: ...n enter the IP address and router settings 2 This area provides info on your unit with software revision and possibility to down load logs for support matters 3 Later in the configuration it will be possible to save the configuration as a backup file It will also be useful to export the parameters for the wiring of the Outputs Finally upgrade of the SP4 is done here 4 To complete the system page c...

Page 13: ...ted For non HDMI audio inputs you may still select a video input Define what physical audio signal to play amongst Analog Coaxial Optical HDMI 3 To compensate for level difference between inputs you can adjust input level 4 To compensate for specific synchronisation issue with the connected source you you can adjust an AV delay per input 5 Once defined in Settings page see part 7 you can configure...

Page 14: ...d Alternate Speakers you should make sure before selecting EDIT that the current Preset therefore Theater playing is from the same channels bank Main or Alternate Speakers bank At this stage you can decide to EDIT the Theater 1 if the Layout meets your requirements If the case go to step 5 6 Bass Management Distance If not go to step 5 1 in next page 1 A single SP4 can manage several Theaters and ...

Page 15: ...create a new Theater select Create Theater it will appear as shown below By then pressing Configure you will go to the Speakers Layout selection and configuration steps described in next page At this stage you can also create Stereo Mono audio zones We do recommend to first define the Theater and use remaining channels for Audio Zones creation See step 5 11 for Audio Zone creation Theater configur...

Page 16: ... Recommendations If you don t see the Layout you need select All The List will show more with a highlight on the Recommendations i 2 You can visualise the basis layout in the table with the channels ticked and graphically by selecting View 3 Select the Layout that meets your requirements View selection Green Fully optimized Yellow Supported Orange Not optimized Red Not supported i Information abou...

Page 17: ...rally up to 3 2 Replicate surrounds to meet seating row count 3 Indicate the number of subwoofers required 0 if no Subwoofer required 4 Dolby Atmos offers the option to simulate its ceiling speakers via top firing speakers located in the main front firing speakers so called Dolby Enabled speakers Define here whether the Dolby Atmos top layer is reproduced with such speakers and on which position y...

Page 18: ...out Replication Bass Speakers Adjustments Distance Manual Management Noise Generator Levels Equalization Audio Zones 17 5 5 Following the Speakers Layout definition you will be back to Speakers edition mode you can then select View to visualise the layout multi way replication subwoofers ...

Page 19: ...d by Dolby and a second one that is a Custom Bass Management which opens up full access to how the Bass should be managed redirected in the system The Custom mode has been designed for installation where main channel speakers are used to reproduce the Bass At this stage you should select which mode you want to use considering that going from one mode to the other will reset the adjustments made To...

Page 20: ...redirect them to the Subwoofer channel Speaker characteristics should be clearly known to ensure you don t overload them with frequencies that they are not capable to reproduce especially in the case of small speakers limited in the low frequencies extension 2 Cut off frequency of the Bass Management is adjusted per Speaker either by entering the required value or using the buttons The crossover S...

Page 21: ...physical speaker 2 Cut off frequency of the Bass Management can be adjusted per Speaker either by entering the required value or using the buttons The crossover Slope can be either 12 dB or 24 dB per octave with Linkwitz Riley type Frequencies and Slopes can be different for the speaker High Pass Filter and redirected Bass Low Pass Filter 3 When Speakers are set to Large Large and Sub or Large wit...

Page 22: ...ting area By default they are in m for meters but you can select feet or ms reflecting more a delay The latter is usually used to fine tune a distance If you intend to do the Automatic Room calibration process using the Dirac Live Calibration Tool and the Integrator Calibration kit you don t need to adjust the Distance Delay and the Levels of the Speakers in the Theater Nevertheless any required M...

Page 23: ...fine Groups of speakers that should play the noise at the same time such as active multiway speaker 3 Make sure the Speaker is enabled 4 Once Groups are defined simply close the window 5 7 Next steps of the Manual Calibration process are level adjustments and equalization To make these adjustments comfortable and eventually using Microphones with Capture systems a Noise Generator is provided You c...

Page 24: ...ne selection a frequency parameter that you can adjust will be shown 2 Activate the Noise Generator Group playing is highlighted in Green 3 Adjust the level of the Group playing 4 Change from Group to adjust using Group and Group Once you have completed the levels adjustments turn the Generator to OFF 5 It is possible to visualize the response of a speaker group by activating the RTA function See ...

Page 25: ...ol to verify the overall acoustic response It is especially useful when used together with the Monitoring function see part 11 with a microphone always connected to the system the RTA and the noise generator it is possible to verify the overall behaviour of a speaker remotely We provide two settings to change the scale and reference of the capturing 1 The maximum level of the capture can be define...

Page 26: ...10 bands of EQ you can adjust per channel 3 A wide numbers of filters is available allowing almost any equalization to be made Select the filter type you want 4 Depending on the filter type selected additional parameters will be made available Check the contextual help for details Once parameters are set you can move to another band adjustment 5 Finally you can save your EQ adjustments in the curr...

Page 27: ...fier or as an Audio Video Stereo Zone with a display involved An Audio Video Zone including Headphones Zone will have General A V delay adjustments added in the Settings page as well as LipSync control on the Remote Control interfaces To create a new Audio Zone select the type of zone required to create 1 You can decide here to Enable or Disable one of the Channels 2 You can equalize the channels ...

Page 28: ...or a Dirac Live Room Calibration Tool with StormAudio license alone The Dirac Live Room Calibration Tool for Bryston is a specific version of the tool with Bryston drivers integrated for sole use with Bryston processors Other versions of the Dirac LCT license will not work with the SP4 Notes 1 Although recommended you are not obliged to use the UMIK 1 USB microphone delivered in the Integrator Kit...

Page 29: ...our browser in the SP4 Web Installer Interface and 6 3 1 Select the Audio Profile you have configured with your manual settings and that you want to use as basis 2 Press Setup and put the channels of a same multiway speaker in the same Group In case a multiple subwoofers setup has been manually aligned it is also recommended to put them in the same group to maintain inter subwoofer adjustments oth...

Page 30: ...n Tool DLCT for StormAudio The application will go into the first tab step of the DLCT Note that the Dirac software is branded StormAudio but works with Bryston 1 2 3 1 Process Tabs The first one being the System Config tab 2 At any step of the process you can find some HELP in the right part of the screen 3 In this step you must select the device you want to calibrate and check the correct Theate...

Page 31: ...he calibration file 4 Two files will be available for download In the case of a multi channel setup we usually use the microphone pointing upward for constant directivity in all directions Select the 70xxxx_90degree txt file in such case 5 Then proceed to the next step 5 2 https www minidsp com products acoustic measurement umik 1 3 All along the process it is advised to save the design into a Pro...

Page 32: ...te playback one by one and correct the Channel volume using following rules if the level remain in the green area below 12 dB keep unchanged if the level is between 12 dB and 6 dB reduce the Channel volume to get 12 dB average 4 Then proceed to the next step Notes All channels are automatically listed Note that it is important for the setup to be done properly in terms of grouping multi way channe...

Page 33: ...g area Chair Sofa and Auditorium 2 Once selected you will need to place the microphone into the first position which reflects the best positions in terms of expectations usually in the center of the listening area This position is critical as it will be used for the Distance and Level calculations You can change the view to have a better understanding on how to place the microphone 3 Once the micr...

Page 34: ...tart when you have placed the microphone into the expected position 2 For each new measurement the plot will get updated Proceed as described in 1 and 2 above until all 9 measurements are completed At anytime during the process you can redo a new measurement at an already covered position Click on the position to redo and then in the red cross You can now press Start again to measure this position...

Page 35: ...ler_Manual_rev 2 pdf to find the descriptions of all the adjustments options available 1 The orange Target Curve can be adjusted by moving the markers and markers can be added by double clicking on the curve at the needed frequency Auto Target will recall the Dirac Live recommended curve You can Save and Load your own created Target Curve 2 It is possible to limit the correction to a certain frequ...

Page 36: ...r illustration of the correction window effect it was here moved so no correction were done above 2kHz Simulated response actual response 7 You can also visualize the effect in the impulse response 8 Save your project 9 Proceed to the filter design Export page To maintain overall signature and timber of high quality speakers and because the room has limited effect in the high frequency range we re...

Page 37: ...ct file in the light blue area into the StormAudio Audio Processor Project slot 2 While dropping the project this will actually download the complete filter design package into the ISP Download is complete when all channels are listed in the Project slot 3 The process is now complete from a Dirac Live Calibration Tool standpoint You can now Exit and go back to the browser to finalize the New Profi...

Page 38: ...ing Area was used during the measurements you can select the correct one in the list 3 To describe the target curve that was defined you can give an alternative name to this curve 4 Finally save to complete the New Profile creation 1 2 3 1 For the Audio Zones we manage a single Audio Profile Save to complete the Audio Zone Profile update 4 1 Each time you go through the Dirac Live process the form...

Page 39: ...to make changes to this Profile in order to ensure integrity of the Dirac Live calibration as any modification in delay or level can dramatically alter the overall listening experience this is the Reference Profile for this Dirac Live calibration round 6 13 If you wish to change the paramaters of a Reference Profile you should first create a Duplicate of this Profile by selecting Duplicate 4 when ...

Page 40: ...our there are three possible modes on Wake Trigger takes its active status at unit Wake Up on Input Trigger takes its active status when an Input is selected on Presets Trigger takes its active status when a Preset is selected 3 When Unit goes to Sleep mode you can define how the Trigger should react 4 The Active Status can be defined as 0V or 12V 5 Finally it is possible to define a delay between...

Page 41: ...n Remotes Define this level here Default is 20dB 1 Limiters allow you to define a certain output level you don t want the ISP to exceed You can turn it ON here 2 The Limiter threshold can be set independently for normal channels and subwoofer channels Adjust the level at which the limiters will start to work 3 There are two modes available in Sleep Mode a low power consumption one slow start up 40...

Page 42: ...defined as HDMI2 0 compatible being by default inputs 5 to 7 or 1 to 7 when the HDMI2 0 extension setting 2 below is set to ON it is possible to limit the datarate to 450 MHz instead of the default 600 MHz required for HDMI2 0 2 By default inputs 1 to 4 are limited to HDMI1 4 speeds 340 MHz datarate It is possible to set all inputs to accept HDMI2 0 speeds defined by the setting 1 above between 45...

Page 43: ...ormat over 2x RJ45 connectors See section 12 for the connectors pinout description The type of signals may vary from unit to unit we therefore allow to change the mapping of the 16ch with by default the first 8ch mapped according to Dolby Cinema servers requirements 1 Selecting EDIT will open a pop up screen 2 You can change the Signal routing to meet your audio source output mapping 3 4 Once defi...

Page 44: ...the Remote Control 3 A Preset can be linked to a Theater that would become active when the Preset is selected 4 When the Theater has been selected you can choose an Audio Profile among those created for the selected Theater When it is a Dirac profile its Room and Curve description will be shown 5 It is possible to get Audio Zones playback together with a Theater Select the Zones you want to activa...

Page 45: ...Immersive experience via headphones by binauralizing the mono or up to 13 1 encoded formats native Immersive Sound into two channels To add more Headphones zones to this preset you must adjust the SphereAudioTM preset as shown below 1 Identify the SphereAudio TM preset 2 In the Audio Zone list select the Headphones zones you want to activate and access SphereAudio TM mode 3 Select the Preferred Up...

Page 46: ...o changed 3 Change the output number according to connections expectations 4 Save to store the new output mapping and to exit the pop up window 9 1 You can connect the analog outputs to your amplifiers according to the outputs mapping that has been automatically generated during the Speakers Layout definition In case the proposed mapping doesn t match your need it is possible to rearrange the outp...

Page 47: ...go and connect your cables to the correct output Connections to your amplifiers according to the Speakers mapping and type installed as well as the Trigger outputs defined in the section 7 Settings can be done following below steps 9 3 In the System Page select the Export Parameters function A file containing the SP4 Main Speakers Channel Mapping will be downlaodable and printable See part 11 for ...

Page 48: ...rred Upmix Dolby Surround DTS Neural X or Auro Matic can be selected in this area Additionaly upmix parameters can be adjusted 5 For the Theater this offers quick level adjustments of Center Surround and Subwoofers 2 3 4 5 6 7 8 Audio Zone control for each Audio Zone defined and active with the Preset a set of adjustments is given Volume and Mute Tone Control LipSync when AV Zone 7 When set to Man...

Page 49: ... you can enable or disable the SphereAudio TM effect 1 2 3 2 4 Home Cinema allows to enjoy cinema quality sound when watching e g movies Cinema provides the best cinematic experience similar to what you would hear in a large theatre equipped with an Immersive Sound speaker setup Lounge for a more intimate listening experience as in a cozy cafe Concert setting that reenacts Immersive Sound in a hug...

Page 50: ...p when connected 3 In each of the Remote Control pages you will always have access to Master Volume Mute Dim Loudness and CinemaEQ 4 Triggers that have been set to Manual Switch ON in Settings page can be controlled here 5 Front panel display settings are changeable here 6 As in the Web Interface it is possible to restart the unit remotely using the Restart button 7 Access the other App Pages by s...

Page 51: ...nt page 1 Audio Zone page 1 2 1 In the Audio Zone page you can select which Zone you would like to control and adjust 2 For the selected Zone a set of parameters is adjustable depending on the Zone type defined Amongst them we can find Volume Mute EQ Tone Control and LipSync The Volume Page features a large volume knob which makes it easy to adjust the main theater volume Volume page ...

Page 52: ...bed earlier 2 The 5 Effects can be selected here Home page 1 Audio Zone page 1 2 1 In the Audio Zone page you can select which Headphones you would like to control and adjust 2 For the selected Headphones a set of parameters can be adjusted depending on the Zone type defined In case of the SphereAudioTM mode there is a switch to enable or disable it for each Headphones When a Listening Preset acti...

Page 53: ...listed first By default the window is collapsed and show limited information It is possible to expand it a to visualize the history of temperature and FAN behaviour b to adjust the threshold of the Alert Messaging c to activate the VuMeter offering real time signal visualization d It is also possible to control the ISP with Power Unit or Restart e A summary status information is also shown More de...

Page 54: ... are by default defined at values seen critical for the long term reliability of the products It is possible to create additional alerts by changing these values Default one will still generate alerts when reached Warning alert will trigger a message in the User Interface and the Remotes while Critical alert might shut down the unit automatically for safety reasons Tools to manipulate the data are...

Page 55: ...e actual reading of the main ones 3 A log of all the important events is maintained and shown in a list format This log is important in case of an issue occurence to help the support team to understand where the problem can come from It is possible to do a search of a specific event Storage is limited to the last 500 events 4 It is possible to visualize the real time levels of the decoder and the ...

Page 56: ... visualization and control dual channels module temperature amplifier modules FANs speed back panel extraction FANs speed MUTE control per 4x channels 2 A log of all the important events is maintained and shown in a list format This log is important in case of an issue occurence to help the support team to understand where the problem can come from It is possible to do a search of a specific event...

Page 57: ...P4 Here is a description of the connectors pin out and recommendation for the wiring 1 To connect the ISP to an amplifier you must use male to female XLR cables The connector in the ISP is a Male XLR We recommend up to 3m cables 2 In some cases it might be required to connect to amplifiers with unbalanced inputs In such case the wiring should be done as shown ...

Page 58: ...Connectors Hardware Connections Connectors Inputs table 12 Inputs table 57 Source Name Digital Input connection Analog Input connection HDMI Input connection ...

Page 59: ... 0 4 4 4 4 2 2 4 2 0 Deep Color 12 bpc Max resolution support 4K 60fps 4 4 4 8bpc 4K 60fps 4 4 4 8bpc 4K 60fps 4 4 4 8bpc 4K 60fps 4 4 4 8bpc 4K 60fps 4 4 4 8bpc 4K 60fps 4 4 4 8bpc HDMI 3D 4K ARC OSD Audio Inputs Digital input coaxial optical 3 3 3 3 3 3 3 3 3 3 3 3 Optional Module Optional Module Optional Module Optional Module RJ45 x 2 Analog stereo inputs RCA 4 4 4 4 4 4 Audio Outputs Analog m...

Page 60: ...and or other countries DTS Inc All Rights Reserved Manufactured under license from Auro Technologies StormAudio is certified by Auro Technologies to implement its technology and products Auro 3D and the related symbols are registered trademarks of Auro Technologies All materials contained in this work are protected by copyright law and may not be reproduced distributed transmitted displayed publis...

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