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Genelec DSP System Operating Manual
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Genelec DSP System Operating Manual

Genelec DSP System Operating Manual

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Summary of Contents for Genelec DSP

  • Page 1 System Operating Manual AutoCal...
  • Page 3 GENELEC DSP LOUDSPEAKER SYSTEM OPERATING MANUAL Do not attempt to operate the system without first becoming acquainted with this manual. Genelec Document D0066R001f. Copyright Genelec Oy 3.2009. All data subject to change. This document refers to software version 1.2.x. The third...

  • Page 4: Table Of Contents

    SYSTEM PARTS ........................11 Loudspeaker Delivery Content......................11 Subwoofer Delivery Content ........................ 11 GLM DSP Loudspeaker Manager Package Delivery Content ............11 GLM DSP Multiroom Expansion Package Delivery Content .............. 11 LOUDSPEAKERS ........................ 11 Two-Way Loudspeakers (8200 Series) ....................11 Analog input ............................
  • Page 5 Theory of Operation ......................34 Setting up for AutoCal ........................... 34 To set up for AutoCal with Genelec Network Interface / Sound Card ..........34 To set up for AutoCal with Host Computers’s Internal Default Sound Card ........34 Running AutoCal ........................... 35 Symmetrical Placement EQ ........................
  • Page 6 Why use Stored Settings? ......................... 58 Creating, editing and using Stored Settings ..................58 FUNCTION REFERENCE ....................59 Desktop Compensation ........................59 Genelec AutoCal ............................ 59 Loudspeakers Online ..........................59 Load Setup ............................. 59 Wizard Introduction ..........................60 Loudspeaker Marking ........................... 60 System Audio Connections ........................
  • Page 7 Loudspeaker Connection ........................63 Subwoofer ............................63 Two-way Loudspeaker ........................64 Floating Level Fader ..........................64 Reference Level Calibration ......................... 64 Vertical Axis Trim ..........................65 Uninstalling GLM ..........................65 Windows ............................65 Macintosh ............................65 Configurable settings for Powermate knob ..................66 Tips for GLM AutoLink use ........................

  • Page 8: Introduction

    There may be Products/DSP Monitoring Systems section. The user registra- one or more loudspeakers reproducing one audio channel. tion is essential to Genelec as it allows keeping track of software versions as well as customer hardware revisions, allowing us to Bass Management serve you better.
  • Page 9 ID Tone Genelec AutoPhase is a part of Genelec AutoCal. It aligns the A built-in tone in the DSP loudspeakers and subwoofers used to phase of the subwoofer(s) in the system to the designated identify which loudspeaker is being communicated to.
  • Page 10 Subwoofer A 7260A, 7270A or 7271A active DSP subwoofer with 8 channel bass management. System Setup File Files stored on the hard drive of a computer running the GLM.

  • Page 11: System Parts

    Loudspeaker Delivery Content LOUDSPEAKERS • Loudspeaker • IEC Mains Cable This section provides a rapid overview of Genelec DSP loud- • Network Cable speakers. In-depth information about the DSP loudspeakers is • Loudspeaker Operating Manual available at www.genelec.com and in the Operating Manuals supplied with the DSP loudspeakers.

  • Page 12: Two-Way Loudspeaker Functional Blocks

    Attempt to place all loudspeakers at ear height for the person in the primary listening position. If a loudspeaker is higher In Genelec DSP subwoofers, the maximum audio level of 0 dBFS than ear height, tilt and turn the loudspeaker toward the lis- translates to the theoretical 130 dB SPL at 1 m sound pressure tening position.

  • Page 13: Full-Bandwidth Loudspeaker Placement

    Minimum distance from a wall behind a loudspeaker Subwoofers can make life much easier in producing high qual- Genelec two-way DSP loudspeakers (8240A and 8250A) should ity low frequency reproduction. When a subwoofer is used, the be placed so that a minimum distance of 5 cm (2”) is left behind...

  • Page 14: Recommended Loudspeaker Positioning For 5.1 Multi-Channel Audio Reproduction

    Recommended loudspeaker positioning Front loudspeaker, multi-channel layout. For multi-channel audio the Left and Right loudspeakers should for 5.1 multi-channel audio reproduction be placed 60 degrees apart, with the Center loudspeaker in the middle. All loudspeakers should be of the same type so there are Surround loudspeakers no coloration changes when panning sounds across the front Surround loudspeakers should be placed in a positional window...

  • Page 15: Getting Started

    Mate) that attach to a USB interface can also be used to control All Genelec DSP loudspeakers and subwoofers have AES/EBU the monitoring level through the GLM software and the Genelec digital audio inputs. When applicable, run the AES/EBU audio...
  • Page 16 It is easy to achieve good system possible to select between analog and digital inputs. Analog and integration as the input sensitivity of the DSP loudspeakers is the digital signals are never mixed. same as that of the analog loudspeakers.

  • Page 17: Step-By-Step System Setup For Glm Control Network Use

    Connect the control network. See the “Genel- The Genelec Loudspeaker Manager GLM is the control software ec control network cabling” section for details. for Genelec DSP loudspeaker systems. The GLM runs on a per- • Find the GLM Network Interface and follow cabling instruc- sonal computer.

  • Page 18: Glm Control Network

    GLM Control Network. On the last loudspeaker uses a proprietary protocol defining the method of communica- of the control network chain, only one of the two Genelec control tion, and the GLM Network Interface that connects to the USB network connectors will be used.

  • Page 19: Glm Control Network Size

    • Label and connect the audio cables. See the “Audio Cabling” All Genelec DSP loudspeakers are supplied with one 5 m net- section for details. work cable. Additional or longer standard high quality CAT5 Eth- •...

  • Page 20: Audio Cabling

    This is accomplished via the THRU connector on the back of the loudspeakers and the output connectors in DSP subwoofers. Typical pairing in a two- channel stereo AES/EBU bit-stream has the Left audio channel carried in the AES/EBU subframe A and Right audio channel carried in the AES/EBU subframe B.

  • Page 21: Stereo Setups

    Freely connect to either loudspeaker first. Duplicating Loudspeakers When using a 7200 series DSP subwoofer, all wiring MUST go to It is also possible to daisy-chain digital audio signals to addition- al loudspeakers. One such application might be a movie mixing the subwoofer first, then to the pair(s) of loudspeakers.

  • Page 22: Glm Tm Rapid Cabling Presets

    In the example on the right, the 8250A stereo pair is playing full- bandwidth audio only. The subwoofer is placed in the audio ca- bling daisy-chain before the 8240As to enable the 8240As to be bass managed. The subwoofer reproduces low frequencies for the 8240As.

  • Page 23: Stereo Pair Analog

    Here is a brief list of instructions on how to complete the Rapid Cabling Wizard. • Before starting the GLM, identify in the Rapid Cabling Preset Table shown above, the description that matches the desired loudspeaker setup. Then, find the corresponding section be- low and study the cabling layout description and the AES subframe assignment table.

  • Page 24: Stereo Pair (Aes/Ebu Single-Wire)

    Stereo Pair (AES/EBU Single-Wire) This Rapid Cabling Preset has one AES/EBU cable that carries both the Left and Right audio channels. AES/EBU subframe assignments Subframe A should carry the Left audio channel. Subframe B should carry the Right audio channel. Cabling Run one AES/EBU cable from the source to the digital audio in- puts of the Left and Right loudspeakers (the order is irrelevant).

  • Page 25: Surround System With Subwoofer (Aes/Ebu Single-Wire)

    5.1 Surround System with Subwoofer (AES/EBU Single-Wire) This Rapid Cabling Preset utilizes three AES/EBU cables to car- ry 5.1-audio. “5.1” refers to having five full-bandwidth audio chan- nels and an LFE channel. All three cables run to the subwoofer first, then from the subwoofer to the five loudspeakers. AES/EBU subframe assignments The AES/EBU digital audio cables are numbered one to three.

  • Page 26: Surround System With Subwoofer (Aes/Ebu Single-Wire)

    The AES/EBU subframe assignments and connectors to be used Cable Subframe Audio Subwoofer Loudspeaker with the subwoofer and loudspeakers are provided in the table number channel Input Input below. Connector Connector Left AES/EBU Digital in The pre-assigned loudspeaker Groups are Surround, Stereo, Front Input 1 and Rears.

  • Page 27: Stereo Pair (Aes/Ebu Dual-Wire)

    Stereo Pair (AES/EBU Dual-Wire) Cable Subframe Audio Subwoofer Loudspeaker number channel Input Input This Rapid Cabling Preset has two AES/EBU cables. Each car- Connector Connector ries one audio channel. Left AES/EBU Digital in input 1 AES/EBU subframe assignments Right AES/EBU Digital in This mode assumes the source uses the Dual-Wire mode of input 2...

  • Page 28: Surround System With Subwoofer (Aes/Ebu Dual-Wire)

    5.1 Surround System with Subwoofer Custom Audio Cabling (AES/EBU Dual-Wire) This Rapid Cabling Preset supports six digital audio cables. The If the chosen loudspeaker arrangement or audio channel channel six cables customarily carry the Left, Center and Right Front cabling does not conform to the existing Rapid Cabling schemes, channels and the Left and Right Rear channels and the LFE Low the Manual Cabling Wizard should be used for setting up.

  • Page 29: System Setup Wizard

    SYSTEM SETUP WIZARD These Rapid Cabling Presets are available for Analog and/or Digital (Single-Wire and/or Dual-Wire) signal types. Select the appropriate scheme in the Rapid Cabling Preset window and click “Next”. This starts Rapid Wizard setup process. Wizard Introduction There are several Wizards to help with loudspeaker system setup and acoustical alignment.

  • Page 30: System Audio Connections

    System Audio Connections Select either AES/EBU or Analog. There follows a walk-through assuming AES/EBU signals are used. The System Audio Connections window presents a summary of the audio channel definitions created and loudspeakers associ- Click “Next>” to continue. ated with each audio channel. AES/EBU Mode Selection wiring type Verify that the information is correct.
  • Page 31 A maximum of 12 cables can be defined within the GLM. This amounts to 24 AES (single wire) channels or 12 AES (dual wire) channels. If analog audio is being wired, a maximum of 12 chan- nels is allowed. The example above shows the Left and Right channels being as- signed to 1A and 1B respectively.

  • Page 32: Saving The Setup

    To confirm that the settings of the correct loudspeaker are being edited, click the loudspeaker icon and an ID tone will be heard. Also, a green light continuously flashes on the loudspeaker front panel to indicate it is selected. Click “Next>” to continue to System Cabling Summary The System Audio Connections page displays channel labeling, cable connections, and all reproduced audio channels.

  • Page 33: Acoustical Setup Wizard

    It may take a few seconds to initialize the sound card. Once initialized, AutoCal will record from the Genelec Sound Card even if it’s not GLM supports the network interface device to be hotplugged when it’s running.

  • Page 34: Autocal - Fully Automated System Calibration

    Sound Card and is only active when the AutoCal process is run- than relying on electronic equalization. ning. The Genelec Sound Card first initializes as a USB Audio CODEC when the AutoCal Window is opened. Once the Auto- Cal is completed, GLM automatically shuts down Genelec Sound Card and USB Audio CODEC disappears, AUTOCAL –...

  • Page 35: Running Autocal

    • Using the USB Cable, connect the computer to the GLM Net- work Interface. • Attach a Network Cable, connected to the rest of the GLM Control Network, to the GLM Network Interface. The AutoCal uses the default sound card in the GLM computer Make sure additional signal processing for automatic level con- and the line input or microphone input that has been defined in trol (AGC), microphone boost or telephone bandwidth filtering...

  • Page 36: Symmetrical Placement Eq

    Any number of additional computer sound card! points up to three may be measured. • Type the serial number printed on the side of the Genelec • Once the measurements have been completed, press the 8200A Calibration Microphone into the “Microphone Serial “Calculate”...

  • Page 37: Subwoofer Phase Aligment Using The Autophase

    In the Loudspeaker Pair Definition window, select loudspeakers ”Yes”. This opens the AutoCal window presenting a five-point 1 and 2 in the drop-down lists, then click the “Add Pair to List” process of automatic calibration. To directly access the Auto- button and continue doing so until all stereo pairs in the system Phase, find step number five, ”Run AutoPhase”, and click the have been defined in the Stereo Pair List.

  • Page 38: Level Alignment For Multiple Daisy-Chained Subwoofers

    Level alignment for multiple daisy-chained subwoofers When multiple subwoofers are used to reproduce the same channels, low frequencies being reproduced by those subwoof- ers will sum and have an elevated output level in comparison to the main channels. One (or more) subwoofer(s) is typically identified as the Pass Through Subwoofer (See Loudspeaker Connection under Function Reference) and the other is not.

  • Page 39: Basic Use Of The Glm

    Storing the Acoustical Settings inside the loudspeakers’ memory is a very effective way of performing full system calibration for a stand-alone Genelec DSP loudspeaker system. Use AutoCal to determine the system calibration, store the settings permanently in the loudspeakers and then remove the GLM Control Network.

  • Page 40: Level Presets

    Level Presets The level preset section of the main window allows quick access Level in dB relative to three preset sound levels. to digital full scale The are two ways to set Level Presets. • Enter a value into the ‘Preset Levels’ value box. •...

  • Page 41: Access To The Glm System Setup Editors

    Access to the GLM System Setup Editors Menu Items The ‘GLM System Setup’ button activates the System Setup The ‘File’ menu allows access to System Setup files. Editor. This allows for changes to cabling, groups and acoustical • ‘File | New’ Starts the System Setup Wizard and is used to settings of the loudspeakers in the system.

  • Page 42: Managing System Setups

    Manager\Setup Files (Windows XP), C:\Users\*user_name*\Genelec\Loudspeaker Manager\ Setup Files (Windows Vista), or in ~/Documents/Genelec/GLM/ (Macintosh). *user_name* = Login user name A System Setup file is created as a result of running the Sys- tem Setup Wizard. Acoustic settings can be added in the System Setup file by running the Acoustic Wizard.

  • Page 43: Opening The System Setup Editor

    Note that a cable that is in use cannot be deleted. A cable is in use if some loudspeakers or subwoofers have been defined as being connected to it. Paste the files into the folder ~/Documents/Genelec/GLM/. It is important that the re_AutoCal folder is located in the same folder where the re.glm file is.

  • Page 44: Replacing And Removing Loudspeakers In A System Setup File

    The “Add Group” button creates a new Group definition to the speakers to exclude them from reproducing this audio channel. System Setup file. By default all channels are active in the new This allows editing of reproduction Groups on the audio channel Group.
  • Page 45 This new loudspeaker is not part of the setup This loudspeaker is in the setup but is no longer found in the network Initiation of the loud- speaker replacement process • To replace this loudspeaker with another one available on To remove a loudspeaker definition in a System Setup file, enter the network, click on a loudspeaker listed in the bottom table the Replace/Remove Tool and remove a loudspeaker definition...

  • Page 46: Editing Acoustic Calibrations

    Room Response Controls The Room Response Controls section provides access to the DSP filters inside the loudspeaker. There are some basic “Placement Presets” and the “Desktop Compensation” control which the acoustic wizard uses. “Free Field” (default) is suitable for loudspeakers positioned away from nearby boundaries.

  • Page 47: Interactive Response Editor

    blue Q-value icon, press down the left mouse button and drag to adjust the Q-value to 5. The Q-value to be adjusted now depends on which notch filter was selected. To adjust the Q-value of a specific filter, click on one of the notch filter triangle icons or click on the selection button in the parameter table.

  • Page 48: Level And Distance

    fect of the current Acoustical Settings and may be used after run- trol Network. There is also access to tweeter and woofer driver ning AutoCal to make controlled adjustments to the parameters. mutes to further aid loudspeaker testing. In this mode the test The 0 dB level in the acoustic response plot is the reference level signals follow the level of the GLM Main Fader.

  • Page 49: Saving The Settings Into A System Setup File

    Saving the settings into a System Setup File • Preview control: selects between two control sets – the control set at the time the Acoustical Settings Editor (GLM When the adjustments have been completed, press “Ok” and the Settings) was opened or the settings that have been made GLM asks if the new settings can be saved in the currently open since the Acoustical Settings Editor was opened (Modified System Setup File.

  • Page 50: Interactive Response Editor

    Level and Distance Interactive Response Editor If an AutoCal measurement (SinglePoint or MultiPoint) of the These controls align the subwoofer into a system of loudspeak- subwoofer has been taken, the “Interactive Response Editor” ers. Adjusting the subwoofer output level changes the relative button is visible.

  • Page 51: Crossover Frequency Selections

    in a multichannel system. LFE channel redirect • A sinusoidal (i.e. single-frequency) signal should be heard LFE channel redirection defines how audio content in the LFE from the selected reference loudspeaker and the subwoofer. channel is handled. • Adjust the “Phase” slider to find the lowest sound level when seated at the primary listening position.

  • Page 52: Preview

    GLM. The settings stored in the subwoofer’s memory window called Genelec AccuSmooth displays a high-resolution can also be downloaded into the GLM. For more details about response at low frequencies whilst removing excessive detail at this, see the section on Stand-Alone Operation.

  • Page 53: Stand-Alone Operation

    (digital Full Scale, the largest level that may be rep- Most consoles have analog monitor sections, whereas some resented in the AES/EBU signal). Genelec DSP loudspeakers have digital monitor sections. Analog monitor sections are con- produce 100 dB SPL at 1 meter in free space for a digital input trolled using a volume potentiometer.

  • Page 54: Subwoofers

    Even if the digital source can control the digital level, it may still be advantageous to lower the sensitivity either with the GLM or the “SYSTEM LEVEL” controls of the DSP subwoofer. This will enable the use of the upper end of the digital level controller.
  • Page 55 Some multi-channel formats have a Low Frequency Effects (LFE) “LFE BANDWIDTH” switch is either not reproduced or is redi- channel. This signal must be connected to the LFE input (INPUT rected (see overleaf) 4) to enable the DSP subwoofer to correctly reproduce all the...
  • Page 56 The “LFE +10 dB” function of the DSP subwoofers is designed To build the daisy-chain, the outputs from the first subwoofer are to add the +10 dB of gain to the LFE channel in the produc- connected to the inputs of the second subwoofer.
  • Page 57 Acoustic measuring equipment such as Genelec AutoCal accu- rately aligns the phase. Alternatively, the following quick phase Genelec DSP loudspeakers produce a sound level of 100 dB at alignment process can be done: a distance of one meter in free space for a digital input signal of –30 dBFS (FS stands for ‘Full Scale’, the largest possible AES/...

  • Page 58: Storing Settings In Loudspeakers And Subwoofers

    The GLM Genelec Loudspeaker Manager software is used to edit the Acoustical Settings of loudspeakers and subwoofers. These settings are then stored inside the DSP loudspeakers and subwoofers using the GLM Control Network. In this section the use of the stored settings is explained.

  • Page 59: Function Reference

    Use the browser to search for any System Setup files on the Setup file. The progress indicated in the Genelec AutoCal window. computer. Click the “Browse…” button. The total amount of time Genelec AutoCal takes to calibrate the • After having selected a System Setup file, view its content by system depends on the number of loudspeakers in the system.

  • Page 60: Wizard Introduction

    Rapid Wizard will make most system definitions automatically. “Load System Setup” window to • Select a System Setup file from the recently used files list The Rapid Cabling Presets available are – • Browse System Setup files • Stereo Pair •...

  • Page 61: System Audio Connections

    (AES/EBU). If the analog format is chosen, only a limited set of the GLM func- tions can be used. The main limitation is that DSP subwoofers only support digital audio so analog subwoofers can be used. In two-way loudspeakers all acoustical alignment controls are avail-...

  • Page 62: Aes/Ebu Mode Selection

    Subwoofer manage- ment is only available for DSP subwoofers After completing the selection, click “Next”. AES/EBU Mode Selection An AES/EBU digital audio cable carries one or two audio chan- nels. This is a fundamental choice, and must be made before In this window defined audio cables are connected to the system.

  • Page 63: Audio Cabling Summary

    Loudspeaker Connection This window tells the GLM what cables are connected to each loudspeaker in the system and what audio channels this loud- speaker will reproduce. One AES/EBU digital audio cable may carry one or two audio channels. Loudspeakers can accept one audio cable. Subwoofers can ac- cept four audio cables.

  • Page 64: Two-Way Loudspeaker

    The small floating fader saves space on the In order to get a meaningful reading: display. Select the floating fader by clicking • Run Genelec AutoCal or manually calibrate the Acoustical the “Fader Only”button in the main GLM Main Settings of the loudspeaker system Page.

  • Page 65: Vertical Axis Trim

    79. Vertical Axis Trim Genelec monitoring loudspeakers are designed so that the best response quality is on the acoustic axis. The acoustic axis for each model is specified in the operating manual.

  • Page 66: Configurable Settings For Powermate Knob

    Tips for GLM AutoLink use ec/GLM to delete completely. Configurable settings for Griffin Power- Windows GLM AutoLink can be launched from c:\Program Files\Genelec\ mate knob Loudspeaker Manager\GLM_AutoLink.exe. Griffin Powermate functions can be disabled/enabled as liked per Setup file. For example bypass function can be disabled to avoid To launch GLM_AutoLink application at system startup, unwanted bypass.

  • Page 67: Shortcut Keys In The Glm Software

    Shortcut Keys in the GLM Software Shortcut keys provide an easier and usually quicker method of using GLM. Most shortcut keys are only available when the GLM ap- plication is selected. Some shortcut keys will work even if GLM is not selected (Powermate functions). See descriptions of shortcut keys below.

  • Page 68: Keyboard Shortcuts In The Mac Version Of Glm

    Keyboard shortcuts in the Mac version of GLM Shortcut Key Combination Description Does GLM need to be selected? Shortcut key combinations available in the GLM software Shift + F1 Load the first Setup File in the Recently Used List (*) Shift + F2 Load the second Setup File in the Recently Used List (*) Shift + F3...

  • Page 69: Frequently Asked Questions

    If this is the case, contact your distributor for solutions. How good are the A-D and D-A converters in the DSP loud- What about the phase shift from the filters? speakers? I am using Brand X and want to be sure that the All filters introduce phase shift.

  • Page 70: System Building

    Genelec DSP loudspeakers and subwoofers implement the vol- • Multiple subwoofers for increased SPL ume control as a part of the DSP processing. The volume control • Analog, Single-wire or Dual-wire AES/EBU signal types decreases the values in the digital audio data just before the data...

  • Page 71: Connectivity

    How do I connect a 7200 Series DSP subwoofer to an analog source? How do I connect the audio cables to a system with a sub- The only way to connect an analog source to a 7200 DSP sub- woofer? woofer is to use an 8-channel analog-to-digital AES/EBU (AD) First connect the audio cables to the subwoofer and then con- converter, such as the Genelec AD9200A.

  • Page 72: Software

    Who should I contact if I run into troubles with the setup? Software updates and upgrades will be clearly announced on the Each country has a distributor and within that distributor is a DSP web site, www.genelec.com. Product Specialist who has been trained by Genelec to support the DSP products.
  • Page 73 No. It is not possible to update an 8000 Series loudspeaker or a 7000 Series subwoofer to an 8200 Series DSP loudspeaker or a 7200 Series DSP subwoofer. The main reason is to do with the different internal mechanics of the enclosures. Also sending the units back to the factory for the change plus the time to make the changes is cost prohibitive.

  • Page 74: Index

    Adapts to your room Genelec Document D0066R001f. Copyright Genelec Oy 3.2009. All data subject to change. This document refers to software version 1.2.x. The third digit “x” denotes small corrective updates and may vary.

This manual is also suitable for:

8200 series7200 series8240a8250a