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Martin Audio ENGINEER User Manual

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Engineer
User's Guide
The Martin Experience
All material © 2007. Martin Audio Ltd. Subject to change without notice.

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Summary of Contents for Martin Audio ENGINEER

  • Page 1 Engineer User’s Guide The Martin Experience All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 2: Table Of Contents

    6.3 The taskbar ..................13 6.4 Input routing ...................13 6.5 The routing matrix................14 6.6 In- and output labels ................14 6.7 Equalizers..................15 6.8 Crossovers ..................16 6.9 Output settings ................17 7. Basscreator ....................18 All material © 2007. Martin Audio Ltd. Subject to change without notice.
  • Page 3 10.3 Daily events ..................42 11.Zoning ....................43 12. Remote control..................45 12.1 Recalling presets ................45 12.2 Changing volumes................45 12.3 Connection ..................45 12.4 Wiring.....................46 13.Security....................47 14.Technical Specifications.................48 15. Known issues in software release 0.9.5………………………………………..51 All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 4: Important Safety Warnings

    DO NOT OPEN DO NOT EXPOSE TO RAIN, MOISTURE, DRIPPING OR SPLASHING ATTENTION RISQUE DE CHOC ELECTRIQUE NE PAS ENLEVER NE PAS EXPOSER A LA PLUIE NI A L’HUMITE All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 5: Unpacking The Unit

    Please think of our environment and don’t bin any materials, including this manual. When the product has reached the end of its useful life, please dispose of it responsibly through a recycling centre. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 6: Introduction

    3. Introduction Thank you for choosing the Martin Audio Engineer for your application. The Martin Audio Engineer is a powerful, advanced DSP platform designed for audio installations. It features 4 inputs and 8 outputs with extensive, flexible routing and x-over functionality.

  • Page 7: Features

    Programmable remote control with RS-485 interface on industry-standard RJ-45 connector, for long cable runs. Up to 4 remote controls can co-operate on one Engineer through the use of a HUB. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 8: Connections

    4.3 RS-485 On the back of the device, next to the audio inputs, is the powered RS-485 connection for connecting the Engineer Remote on a RJ-45 connector. For wiring scheme, please see the chapter ‘Remote Control’. 4.4 RS-232 On the front of the device, behind the cover plate in the middle, is the RS-232 connection for remote control of the device with a PC.

  • Page 9: Using The Software

    Please follow the instructions on your screen to complete installation. After installation, a new program group called "Martin Audio Engineer" will be available from the programs folder in your start menu. To start using the Engineer software for the first time, simply click the Engineer icon.

  • Page 10: Synchronization

    5.2 Synchronization As soon as the Engineer software starts up, it will ask in which way you want to synchronize the software. Synchronization is an important concept within the software: Always make sure your software is synchronized with the device when working with the system. This ensures correct functioning of the device (more importantly, it ensures that what you hear is actually a representation of what you see on your screen).

  • Page 11: Initializing Communication

    Make sure your Engineer is connected to the port you select and hit "Connect" to start the synchronization. During the synchronization process a progress bar will be shown. Please be patient while this operation completes;...

  • Page 12: Software Features

    Now that we're done synchronizing we can really start using the software. You should be seeing the following screen (without the arrows of course). Beside the "Levels" window which -obviously- represents the current signal on the Engineer in- and outputs, there's a window called "Routing and settings". Take some time getting to know this window: Most of your work within the software will start from here.

  • Page 13: Master Mute

    6.2 The communications status indicator If you're not sure whether you're connected to the Engineer, you can check the status of your connection at any time in the bottom-left corner of your screen. Don't worry about it too much though: Should the connection drop for any reason, a notification window will appear informing you of the problem.

  • Page 14: The Routing Matrix

    Simply click on the label and type any name you like, with a maximum of 12 characters. The labels will be saved when saving your project to file or synchronizing it to the Engineer. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 15: Equalizers

    6.7 Equalizers The Engineer features stereo equalizers on each input and the Engineer algorithm, as well as mono equalizers on each output. Open one by simply clicking on the button that represents As you can see, the 8-band parametric equalizers can be configured by either text input or by using your mouse.

  • Page 16: Crossovers

    The steepness of the filter can be selected in the "Slope" selection box. Like equalizers, crossovers can be copied and pasted by right clicking on their respective windows or buttons. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 17: Output Settings

    Copy Channel. Keep the Control button down and right click over the label of the channel to which you would like the parameters pasted and select Paste Channel. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 18: Basscreator

    If we put in a sine wave with a frequency of 50 Hz and we put the output of the device in an analyzer, we see the sine wave as a single spike. All material © 2007. Martin Audio Ltd. Subject to change without notice.
  • Page 19 To start using the basscreator you should first route the inputs you want to use it on toward the Basscreator module in the Routing and settings window. Then click the "BCR" button in the same window to open up the Basscreator control window. All material © 2007. Martin Audio Ltd. Subject to change without notice.
  • Page 20 The mix level sets the amount of added effect (the amount of virtual bass added to the original signal). All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 21: Engineer

    8. Engineer One of the main features of the Martin Audio Engineer is the Engineer algorithm itself. Consider the Engineer algorithm as a real-life sound engineer who has been told what kind of sound you'd like from your sound system and will then make sure that this will be the case.
  • Page 22 See the resulting waveform from our example treated with the “radio solution” in the picture below. All material © 2007. Martin Audio Ltd. Subject to change without notice.
  • Page 23 The picture below is the output of the engineer algorithm with our example input. In this picture we see that the level and tone differences have been solved in an elegant way without destroying the dynamics or adding distortion, and that the last piece of heavily compressed music has been lowered in volume to give it the same perceived volume.

  • Page 24: Engineer Simple

    The three knobs on the left side of this screen give you the opportunity to give a user offset to the sound made by the engineer, so you can decide that you like the setting but you would like to have a bit more bass or treble. You can consider these knobs a the ‘User Control’...
  • Page 25 Engineer to function as it should. If not, we can tweak the advanced settings for the algorithm via the "Advanced" button in the Engineer simple window. Be sure to hit the Autocatch again after any changes made in the advanced screen.

  • Page 26: Engineer Advanced

    -Automated volume control -Automated low EQ control -Automated high EQ control -Endstop limiters Let’s take a moment to go through all the parameters to see what they actually stand for. All material © 2007. Martin Audio Ltd. Subject to change without notice.
  • Page 27 -The Red line marked ‘Target Volume’ is set by pressing the Autocatch button in the Engineer simple screen, this is the level the algorithm uses as a reference. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 28: Automated Volume

    The Maximum amount of Gain the algorithm is allowed to boost the input signal. E.g. if you set this parameter to 0dB, then the algorithm will only take down the volume and not boost All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 29: Side Chain Frequencies

    ‘listens’. E.g. when you set the HighPass parameter to 130Hz and the LowPass parameter to 6k7Hz, then the algorithm will listen only to frequencies between 130Hz and 6k7Hz. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 30: Automated Eq Low

    The Maximum amount of Gain the algorithm is allowed to boost the EQ gain. 8.5.6 Min Gain The Maximum amount of Gain the algorithm is allowed to cut the EQ gain. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 31: X-Frequency

    Low EQ will listen to and alter. E.g. When this parameter is set to 183Hz, the Low EQ will work on frequencies below 183Hz. This frequency also represents the X-over frequency for the limiters Low- to-Mid band. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 32: Automated Eq High

    The Maximum amount of Gain the algorithm is allowed to boost the EQ gain. 8.6.6 Min Gain The Maximum amount of Gain the algorithm is allowed to cut the EQ gain. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 33: X-Frequency

    High EQ will listen to and alter. E.g. When this parameter is set to 3k99Hz, the Lo EQ will work on frequencies above 3k99Hz. This frequency also represents the X-over frequency for the limiters Mid-to- High band. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 34: Limiter

    3dB higher than target volume before limiter starts working. The limiters release time is milliseconds, limiters attack time is set as a function of the release. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 35: Project-And Preset Management

    9. Project-and preset management An Engineer project can be defined as a set of multiple presets that can be recalled at will. Each preset contains a set of configuration parameters, as described above. Presets can be made up out all of these parameters, or a limited set of parameters for a specific part of the...
  • Page 36 The button on the top-right of the window adds your current workspace to the project as a new preset. After clicking it, you will need to select the type for the new preset. All material © 2007. Martin Audio Ltd. Subject to change without notice.
  • Page 37 Engineer and you can use it straight away. Besides storing your preset to the Engineer, you can also export or import it from a file. Please note that preset files cannot be loaded as a project: They can only be imported to an existing project.
  • Page 38 CD or file location containing the Martin Audio Presets and select on AQ210 + AQ6,8,10,12 and click on Open. Engineer will ask if you wish to use the preset now, select ‘No’. You will notice that the System Presets will now have a + by it to indicate that System Presets are present.

  • Page 39: The Scheduler

    You can access it from the tools menu in the menu bar. On the top of the window you can see the currently set date and time on the Engineer. Use the "set" button to set this to the time and date corresponding to the PC you're working from.

  • Page 40: One-Time Events

    To remove the event from the device, just click on the event in the events list and click ‘delete’. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 41: Weekly Events

    To remove the event from the device, just select the date in the calendar, click on the event in the events list and click ‘delete’. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 42: Daily Events

    To remove the event from the device, just select the date in the calendar, click on the event in the events list and click ‘delete’. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 43: Zoning

    11. Zoning From the Engineer's remote you can control the gains for several "zones". A zone is defined as a collection of up to eight outputs. When controlling the gain for a zone from the remote, the gain-settings will be applied to each output the zone contains.
  • Page 44 Type in a Zone’s name in the Zone Name field and click ‘SET’. After you have finished, click on apply in the bottom of the screen. Outputs can only be assigned to one zone. All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 45: Remote Control

    Beside that you can recall presets on the Remote Control. 12.1 Recalling presets To recall a preset from the Engineer Remote, just press the ‘Preset’ up or down arrow, the display will show ‘selecting’ and the name of the preset. After 3 seconds the currently selected preset is recalled.

  • Page 46: Wiring

    12.4 Wiring The Engineer Remote is wired through standard CAT-5 cabling, with a RS-485 bus-powered protocol. Please make sure that the wires are properly connected according to the wiring scheme below: FUNCTION RJ-45 CONNECTOR REMOTE HEADER ORANGE/WHITE ORANGE/WHITE ORANGE ORANGE...

  • Page 47: Security

    13. Security The engineer's security settings can be accessed via the edit menu in your toolbar. The security system has been divided into four access levels, each allowing you to control a fixed amount of Engineer parameters: Level Permissions Zone volumes, bass, treble, preset recall...

  • Page 48: Technical Specifications

    User selectable 0.05 to 20 / 20 to 0.05 FREQUENCY 20Hz – 20kHz HIGH-AND LOWPASS FILTERS FILTERS One of each per output FREQUENCY 20Hz – 20 kHz RESPONSE Bessel, Butterworth, Linkwitz-Riley 12/18/24 dB/oct All material © 2007. Martin Audio Ltd. Subject to change without notice.
  • Page 49 3-pin Phoenix plug-in terminal block RS-232 9-pin DB9 connector RS-485 RJ-45 connector POWER 3-pin IEC POWER 60 to 250V @ 50/60Hz CONSUMPTION 30 Watts WEIGHT 3.35 kg. (4.35 kg. Shipping) All material © 2007. Martin Audio Ltd. Subject to change without notice.
  • Page 50 SIZE (W) 483mm x (H) 44mm x (D) 251mm (W) 19inch (H) 1.75 inch (D) 9.89inch All material © 2007. Martin Audio Ltd. Subject to change without notice.

  • Page 51: Known Issues In Software Release 0.9.5

    - If a value is manually entered in ANY number box, it has to be confirmed by pressing the enter key for the software to store the value, even though the device will respond to it. All material © 2007. Martin Audio Ltd. Subject to change without notice.

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