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KRK ERGO User Manual

Enhanced room geometry optimization
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MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 1

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  • Page 1 MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 1...

  • Page 2: Table Of Contents

    Appendix: Glossary of Terms ........40 2.2 Front Panel ............8 2.3 Side Panel ............9 3. Setting up ERGO and your Mixing Environment ..10 3.1 Installing your Monitors ........10 3.2 Positioning your Monitors ........ 11 3.3 Connecting your System – What goes where? ... 12 3.4 Test Signal and Measuring Techniques .....

  • Page 3: Introduction

    A few of will properly translate to other listening environments. That’s why ERGO’s bells and whistles are: KRK developed ERGO. Because really, how good is a great track that only sounds great in your room? • High-performance, state-of-the-art Digital Signal Processor for room correction and analysis •...

  • Page 4: How Does Ergo Work

    How does ERGO work? 1.4.1 FireWire Audio Input ERGO takes a stereo audio stream from the analog or digital In this mode, ERGO looks like an ASIO audio device under (SPDIF or FireWire) domain and processes it though a 96 kHz Windows, or as a Core Audio device on a Mac.

  • Page 5: System Requirements

    (6-pin port required to FireWire to supply power to ERGO), Today, most room correction is carried out based on a single AC outlet (for ERGO power supply if power is not supplied via measurement at the listening position. This is problematic FireWire).

  • Page 6: So, Why Not Flat And Without Reflections

    ERGO strives to preserve the speaker’s identity, no for them. However, for various reasons, it is not ERGO’s goal to matter what kind of room you’re in or how the speaker is placed.

  • Page 7: Ergo Panels And Connections

    • On/Off Switch Keep in mind, that you will always need to plug ERGO into the • Power Input external power supply when using a mini 4-pin FireWire cable •...

  • Page 8: Front Panel

    You need to press this button to proceed with the Calibration main output signal is inserted into the Input (Line In) jacks on the process. back of ERGO. This is also used when using ERGO as a FireWire recording interface to indicate excessive signal coming Speaker A and B/Sub Outputs in from the line-level device (mixer, keyboard, etc).

  • Page 9: Side Panel

    This big Volume knob adjust ERGO’s volume. Also, it will allow your system sounds are balanced with your DAW mix. you to adjust ERGO’s volume to a proper level, so it is adequate for the calibration process. Side Panel (Figure 2.2)

  • Page 10: Setting Up Ergo And Your Mixing Environment

    Impulse response in the bass region can be improved considerably since ERGO can easily compensate for the uneven 3) Run the software - ERGO’s software is simple to install and frequency response as a consequence of the placement. use. Just read carefully the instructions provided in this manual With ERGO, it can actually be to your advantage to place your and on your computer screen.

  • Page 11: Positioning Your Monitors

    MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 11 3. Setting up ERGO and your Mixing Environment Two-Channel Set Up By shortening the path to the ear, the close-field monitor offers a tremendous amount of flexibility, allowing the sound to become less susceptible to differing room conditions.

  • Page 12: Connecting Your System-What Goes Where

    Flip the switch back and forth to find the loudest setting. Then adjust the sub’s low pass filter so that it works in 3) Select your best XLR mic cable and plug it into the ERGO’s conjunction with the satellite’s high pass frequencies. When you XLR-1/4”...
  • Page 13 Configurations There are several possible ERGO configurations. These all depend on how you want to use ERGO in the studio. What’s the same between all of these is that all of the configurations end with a pair of powered speakers (or an amp and speakers) connected to the “A”...

  • Page 14: Test Signal And Measuring Techniques

    ERGO with RoomPerfect™ is the Solution the SPDIF Input as its source. • If ERGO has detected a SPDIF clock, but you want to use the In our quest for the best possible components to power ERGO’s Analog Inputs, then you must use ERGO’s control panel to Room Correction technology, KRK licensed RoomPerfect™...

  • Page 15: Software Installation

    • Room acoustic properties and modes (peaks and dips in Go to http://www.krksys.com/product_ergo.php the room) and download the latest Mac and/or PC version of the ERGO • Power response throughout the room Software Package . Click the Drivers & Updates tab and then click •...
  • Page 16 MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 16 3. Setting up ERGO and your Mixing Environment 3. The following Security Warning will appear. Click Run. 5. Do not connect ERGO to your computer. Click Next. (Figure 3.9) (Figure 3.11) Figure 3.9...
  • Page 17 Next. (Figure 3.13) (Figure 3.15) Figure 3.13 Figure 3.15 9. Select Install the software automatically and click Next. 11. Go back to the ERGO Installation Wizard and click Next. (Figure 3.14) (Figure 3.16) Figure 3.14 Figure 3.16...
  • Page 18 MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 18 3. Setting up ERGO and your Mixing Environment 12. Click Continue Anyway. (Figure 3.17) 1. Unzip the ERGO Software folder by double-clicking on it. (Figure 3.20) Figure 3.17 13.
  • Page 19 MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 19 3. Setting up ERGO and your Mixing Environment 5. The software was successfully installed. Click Close. 3. Select the volume where you want to install ERGO and click Continue. (Figure 3.22) (Figure 3.24) Figure 3.24...

  • Page 20: Ergo Control Panel Description

    Click the Start button, and then point to Programs. Point to KRK This display lights to indicate ERGO’s sample rate. ERGO, and then click ERGO Control Panel to open it. (Figure 4) Audio Settings Use the associated pull down boxes to select ERGO’s sample rate (Figure 4.1) and ASIO buffer size (Figure 4.2).
  • Page 21 MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 21 4. ERGO Control Panel Description In the Applications folder double-click the ERGO folder, and then double-click ERGO Control Panel to open it. (Figure 4.3). Figure 4.3 To obtain more information about buffer size settings, please refer to your DAW’s User’s Manual (especially the chapters...

  • Page 22: Ergo Calibration Software (Ergo Cal)

    ERGO is ready to measure your room (Figure 5.1) Are you using ERGO in Speaker or Subwoofer Mode? This screen asks if you’re going to use ERGO in Subwoofer mode (where you have a sub connected directly to ERGO). Choose YES or NO. If NO, go to Speaker mode. If YES, go to Subwoofer mode.

  • Page 23: Calibration

    Figure 5.4 Figure 5.6 Subwoofer Mode If you chose to use ERGO in Subwoofer mode, the next window gives you a thumbs up to proceed, or tells you to press any required buttons. When given the prompt, click Enter. (Figure 5.5) Clearing measurement memory.

  • Page 24: Enabling Calibration

    Adjusting ERGO’s Volume If the Calibrate button is Off, check ERGO’s Back panel and The next step is to adjust ERGO’s volume to a proper level, so it press it (Figure 5.8). The Calibrate LED located on the Front is adequate for the calibration process.

  • Page 25: Focus Position Measurement

    MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 25 5. ERGO Calibration Software (ERGO Cal) • The length of each measurement depends on a combination of the measurement volume, and the background noise in your local environment. Typical measuring times for the low and high frequency measuring signals are 25 and 5 seconds, respectively.
  • Page 26 SPL to register, but the calibration can still be performed. (Figure 5.15) Then, the Measuring focus postion message will appear. (Figure 5.17) Figure 5.15 Figure 5.17 In this instance, select NO at the ERGO Cal screen to accept the level that was originally measured and then click Enter.

  • Page 27: Room Position Measurements

    MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 27 5. ERGO Calibration Software (ERGO Cal) If the Focus measurement was Ok, ERGO will instruct you to For optimal room correction, make sure that the measurements place your measurement mic in Room Position 1, then click Enter.

  • Page 28: Room Correction

    With high room correction scores, more extensive processing is employed. The room correction score for a specific RoomPerfect™ filter can be viewed by pressing the Info button from the initial (ERGO is ready to measure your room) screen. Figure 5.21...

  • Page 29: Room Knowledge

    Room Knowledge of 90% or better regarding the room’s acoustic properties. Once Room Knowledge reaches this range, ERGO can begin processing the room. Additional measurements can improve Room Knowledge, up to 100%. With ERGO Cal, measurements are analyzed in real-time. Figure 5.25...
  • Page 30 MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 30 5. ERGO Calibration Software (ERGO Cal) This will take you to ERGO Cal’s initial screen.You’re done! (Figure 5.26) Figure 5.26...

  • Page 31: Using Ergo

    • If you are using PC ASIO hardware now your main L/R Outs). This allows you to use ERGO’s If you are currently using an ASIO driver on a PC, use ERGO awesome D/A converters, eliminates any driver hassles in SPDIF Digital mode or Analog mode unless you are and provides the ultimate in compatibility.

  • Page 32: Scenario 2

    DAW hardware. In this If your current audio hardware has SPDIF Out, use this. No new case, simply set the ERGO driver to be your main bus outputs (in drivers, no compatibility issues, just pure clean room correction your DAW) and plug your monitors into ERGO.

  • Page 33: Generic Daw Configurations

    “ASIO” mode. This can be called “Driver Type” or “Drive Mode” depending on the brand of software you are using. 4. If you want to use an input on ERGO to send audio to your DAW software, you must choose ERGO under your Input 4.

  • Page 34: Specific Daw Configurations

    Cakewalk defaults to using WDM drivers. This allows multiple audio interfaces to be used in the program. This is a pretty good idea, however with ERGO, it does not result in the best audio performance. If this is a new installation and ERGO is your only FireWire interface, set SONAR for ASIO mode by pointing to the Options menu in the toolbar and selecting Audio.

  • Page 35: Ableton Live

    8. Specific DAW Configurations Ableton Live™ Nuendo® If this is a new installation and ERGO is your only FireWire Access the Device Setup window and select VST Audio System interface, set Ableton for ASIO mode by pointing to the Options in the Devices list in the left pane of the screen.

  • Page 36: Troubleshooting

    • More definition among instruments Microphone does not work. ERGO's goal is not to make the mix “sweeter” but to make it more accurate. If you don't think you are hearing something, • You need to have the Calibrate switch On the back of finish the mix, and see how it translates to other environments.
  • Page 37 “Volume.” This is the 0 dB point for the workarounds for other OSversions. volume control. ERGO Rocks! But, I want to mix in surround. Can I use 2 or more I installed ERGO as a FireWire device, and now my other XYZ ERGOs for this? FireWire interface is gone.
  • Page 38 MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 38 9. Troubleshooting While using ERGO in WDM Mode, I’m not able to select a To contact KRK Service & Support, send an e-mail to buffer size value from the Control Panel.

  • Page 39: Specifications

    MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 39 10. Specifications Processing - Processing 400 MHz Blackfin DSP - RoomPerfect™ Algorithm Sample Rate 96 kHz - Room Correction Frequencies 20-500 Hz - 1024 tap FIR filter for room correction Audio Spec - Audio Spec A/B Speaker Select and Control Stereo Audio-In...

  • Page 40: Appendix: Glossary Of Terms

    MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 40 Appendix: Glossary of Terms Dynamic Range Short for Analog to Digital Conversion. The conversion of ana- The level difference, expressed in dB, between the loudest level log data or information into digital or binary form (See and quietest level of a recording or live audio source.
  • Page 41 The room correction score for a specific RoomPerfect™ filter can be viewed by pressing the Info button from the initial (ERGO is ready to measure your room) screen. Room Knowledge Indicates how much information has been gathered about the room.
  • Page 42 MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 42 Notes ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 43 MANUAL_ERGO-B:MANUAL_ERGO-B Originator R.ARAMBURU 216 x 203 mm 4/8/2009 3:05 PM Page 43 Notes ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
  • Page 44 ERGO is a trademark of the Stanton Group. RoomPerfect is a trademark of Lyngdorf Audio All other trademarks are property of their respective owners, who are in no way affiliated with KRK Systems or KRK products. All information included in this User Manual is subject to change without notice.

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