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CHAPTER

11

MOTU Pro Audio Control Web App

OVERVIEW

MOTU Pro Audio Control

 is a web app that gives 

you complete control over the UltraLite-mk4.

IT’S NOT ON YOUR HARD DRIVE

The MOTU Pro Audio Control web app is served 
from the UltraLite-mk4 hardware itself, therefore it 
is not an application on your computer’s hard 
drive. Instead, access it from the 

MOTU Discovery

 

app (in the Mac menu bar or Windows taskbar), 
the 

MOTU Pro Audio WebUI Setup

 shortcut 

(Windows only) or through your web browser.

USE YOUR FAVORITE WEB BROWSER

The MOTU Pro Audio Control web app runs in any 
modern web browser running on the computer 
connected to the UltraLite-mk4, or any mobile 
device (tablet or smartphone) on the same Wi-Fi 
network as the computer. If it can run a web 
browser, it can run the web app. You can use any 
browser you prefer: Chrome, Firefox, Safari, etc. 
The latest versions are strongly recommended.

CONTROL FROM MULTIPLE DEVICES

You can run the web app on multiple host devices 
simultaneously.

RUN THE INSTALLER, GET THE APP

Visit www.motu.com/download to get the latest 
MOTU Pro Audio Installer and run it on your 
computer to install the 

MOTU Discovery

 app, 

MOTU Pro Audio WebUI Setup

 shortcut (Windows 

only) and other software elements. Visit the Apple 
App Store to download the discovery app onto 
your iPad or iPhone.

MAKE HARDWARE AND NETWORK 
CONNECTIONS

Connect your UltraLite-mk4 to your computer or 
laptop with a USB cable. Make sure your iPad, 
iPhone, tablet or smartphone is connected to the 
same Wi-Fi network as your computer or device.

LAUNCHING THE WEB APP

To launch the web app, do any of the following:

■

Choose the UltraLite-mk4 from the MOTU 

Discovery app menu (in the Mac menu bar or 
Windows taskbar) or launch the 

MOTU Pro Audio 

WebUI Setup

 shortcut (Windows only).

■

From your iPad or iPhone, launch the MOTU 

Discovery app.

■

In your favorite web browser, type this URL: 

localhost:1280.

You should now see the MOTU Pro Audio Control 
web app in your browser, as shown on page 12. If 
not visit Appendix A, “Troubleshooting” (page 79).

MOTU Discovery app menu

Содержание UltraLite-mk4

Страница 1: ...UltraLite mk4 User Guide 1280 Massachusetts Avenue Cambridge MA 02138 Business voice 617 576 2760 Business fax 617 576 3609 Web site www motu com Tech support www motu com support Title Page...

Страница 2: ...cessories Only use attachments accessories specified by the manufacturer 14 Surge protection Unplug the product during lightning storms or when unused for long periods of time 15 Servicing Refer all s...

Страница 3: ...aLite mk4 25 Packing List and System Requirements 27 Software Installation 31 Hardware Installation Part2 UsingtheUltraLite mk4 39 Presets 43 The Front Panel LCD 45 Working with Host Audio Software 53...

Страница 4: ...oraperiodofTWO 2 YEARSfrom thedateoforiginalretailpurchase Thiswarrantyappliesonlytohardwareproducts MOTUsoftwareislicensedandwarrantedpursuanttoseparatewrittenstatements Ifyoudiscoveradefect firstwri...

Страница 5: ...Part1 GettingStarted...

Страница 6: ......

Страница 7: ...bar or Windows taskbar Alternately you can launch the MOTU ProAudio WebUI Setup shortcut found on the Windows desktop or in Start menu All Programs MOTU From your iPad or iPhone launch the MOTU Discov...

Страница 8: ...8...

Страница 9: ...g inputs and outputs It can also show device settings using the knobs to the left 5 This portion of the multi purpose backlit LCD shows digital I O activity optical and S PDIF and MIDI activ ity in an...

Страница 10: ...er fader to these main outs You can also use the MOTU Pro Audio Control web app to route live UltraLite mk4 inputs here as well 4 Equippedwithveryhighquality24 bit192kHzconverters these six analog inp...

Страница 11: ...n run the web app on multiple host devices simultaneously RUN THE INSTALLER GET THE APP Visit www motu com download to get the latest MOTU Pro Audio Installer and run it on your computer to install th...

Страница 12: ...nd its name will also flash in the Device list 1 11 If an update is available for your device and the computer you are viewing it from is connected to the internet you llbenotifiedhere Click More Info...

Страница 13: ...mixerto simplify operation Doing so also helps conserve DSP resources 20 The digital mixer in the UltraLite mk4 supports up to 48 channels If you don t need that many inputs you can lower the number h...

Страница 14: ...our MOTU device s factory presets 25 Use SetPassword to password protecttheinterface Allsettingsare blocked except for aux bus mixing as shown above 25 This allows musicians to access their personal m...

Страница 15: ...ix computer audio with local inputs Use the Device tab to choose how many computer channels are available In this example computer channels 1 2 are being routed to boththeheadphoneoutputandthe Main Ou...

Страница 16: ...he reverb processor Use the reverb send on inputs or groups to route them to the reverb bus which can then be mixed in with the main mix or aux busses Disable the reverb processor to use it as an extr...

Страница 17: ...ader 8 This is the master fader for the current aux bus being viewed 4 9 Indicates if the input or group is stereo or mono This indicator is for display purposes only To toggle between mono and stereo...

Страница 18: ...the RMS button to uses RMSvalues acomputationalmethodfor determining overall loudness to measure the input level 14 Inputlevelandgainreductionmetersfor the compressor 15 The thumbnail Compressor Grap...

Страница 19: ...5 5 Use the preset menus to create save recall and otherwise manage channel strip presets for the Monitor bus and Main Mix bus 6 Indicates that the bus is stereo 7 The four band parametric EQ for the...

Страница 20: ...ux bus between mono and stereo 4 The four band parametric EQ module for Aux bussesoperatesthesameasdescribedforinput channels items 10 and 11 on page 18 includ ing High and Low Shelf filter options 5...

Страница 21: ...n the Mixing tab on page 16 1 AGroupbuschannelstrip Clickthenameto renameit Deletethecurrentnametoreturn to its default 2 The Reverb bus If you disable the Reverb processor it can be used as a fourth...

Страница 22: ...M O T U P R O A U D I O C O N T R O L W E B A P P 22...

Страница 23: ...iant which means that it is iPad compatible with a camera connection kit and does not require driver installation for USB connection to a computer On board DSP with mixing and effects The UltraLite mk...

Страница 24: ...of MIDI I O to and from the computer through its USB connection Comprehensive metering The large backlit LCD displays all signal activity at a glance with detailed metering for all I O You can access...

Страница 25: ...commended for best performance 2 GB RAM 4 GB or more recommended OS X 10 8 or later Windows 7 or later Available high speed USB 2 0 or 3 0 port A large hard drive preferably at least 500 GB PLEASE REG...

Страница 26: ...P A C K I N G L I S T A N D S Y S T E M R E Q U I R E M E N T S 26...

Страница 27: ...UltraLite mk4 to any iOS device with a standard camera connection kit adapter The UltraLite mk4 then provides multi channel audio I O to your audio apps Use your audio app to configure the number of a...

Страница 28: ...foot 30 cm per millisecond A latency of ten milliseconds is about the same as being ten feet three meters from an audio source Host Safety Offset When connected to a Windows host the Host Safety Offse...

Страница 29: ...IDI compatible program Launching Audio MIDI Setup 1 Make sure your UltraLite mk4 interface is connected a USB connection is required and turned on 2 Launch the Audio MIDI Setup utility This can usuall...

Страница 30: ...TION SOFTWARE AudioDesk is an advanced workstation software package for Mac andWindows that lets you record edit mix process bounce and master multi track digital audio recording projects Advanced fea...

Страница 31: ...p if you want to use the UltraLite mk4 as a USB audio interface Use a standard USB cable Connect to any USB port USB2 0 or 3 0 See chapter 3 Software Installation page 27 iOS AUDIO INTERFACE SETUP Use...

Страница 32: ...er inch analog outs Guitar Quarter inch analog outs Synths samplers effects units etc Other outputs stage monitors surround monitors etc Figure 4 1 A typical UltraLite mk4 setup Headphones UltraLite m...

Страница 33: ...bypasses the preamp The gain knob on the front panel and in the Device tab of the web app provides independent volume control for the quarter inch input which is adjusted and saved separately from th...

Страница 34: ...device to the UltraLite mk4 B Resolve the UltraLite mk4 to the optical device For A choose Internal or anything other than Optical as the clock source in the Device tab item 13 on page 12 Then config...

Страница 35: ...one MIDI channel such as effects modules which makes it easier to avoid MIDI channel conflicts Figure 4 4 Connecting additional devices with MIDITHRU ports MIDI Thru when operating stand alone The Ul...

Страница 36: ...er Channel for LTC to MTC Conversion Choose a computer channel that you aren t using for anything else here It will be used to transmit LTC from the interface to the computer If all of your computer c...

Страница 37: ...Part2 Usingthe UltraLite mk4...

Страница 38: ......

Страница 39: ...ttings and adjust them as needed Audiointerface 39 Interface mixer 40 Liverecordingwithmonitormixing 40 Opticalconverter 40 Opticalconverterwithmixing 41 Create your own presets You can create presets...

Страница 40: ...for the Interface mixer preset shown in Figure 5 2 on page 40 All physical inputs on the interface are routed to both the computer for recording and the Main Mix and Monitor busses in the mixer for n...

Страница 41: ...verter with mixing preset does not route incoming optical audio directly to the UltraLite mk4 s analog outputs Instead this preset routes the incoming optical audio to the mixer The mixer then distrib...

Страница 42: ...P R E S E T S 42...

Страница 43: ...unction labeled in blue Figure 6 2 Push the knob to activate the functions labeled in blue POWER Push and hold the power knob Figure 6 2 to switch the unit on or off The LCD provides feedback as you h...

Страница 44: ...sion menu displays firmware version info CLOCK The Clock section of the LCD Figure 6 1 on page 43 displays the sample rate at which the unit is currently operating and the current Clock Mode setting i...

Страница 45: ...g chapter 3 Software Installation page 27 chapter 4 Hardware Installation page 31 RUN THE WEB APP Before you run your host audio software launch the web app to configure your MOTU hardware The web app...

Страница 46: ...s a slight delay caused by running an input signal through your host audio software and back out For example you might hear it when you drive a live guitar input signal through an amp modeling plug in...

Страница 47: ...you are using for monitoring In either case routing directly in the grid or routing through the mixer be sure to maintain the input s connection to the computer as well so the input signal can be reco...

Страница 48: ...djusted in the web app Device tab page 12 See Host Buffer Size and Host Safety Offset on page 28 Lower latency versus higher CPU overhead Buffer size has a large impact on the following Monitoring lat...

Страница 49: ...ickly your audio software will respond when you begin playback although not by amounts that are very noticeable Lowering the buffer size will make your software respond faster raising the buffer size...

Страница 50: ...audio playback to Any audio streams going to and from the on board mixer in your MOTU device If you aren t sure how many channels you ll need visit the Routing tab as explained below Making inputs and...

Страница 51: ...er info about using the routing grid including many useful tips and techniques visit www motu com techsupport technotes avbrouting and www motu com avb WORKING WITH ON BOARD MIXING AND EFFECTS the Ult...

Страница 52: ...cify the port you should see your MOTU interface SMPTE Sync port as an available option in the list In Digital Performer this is the Sync to port menu in the Receive Sync settings Setup menu which is...

Страница 53: ...deled after British analog consoles Compressor 55 A standard compressor with threshold ratio attack release gain controls Leveler 57 The Leveler an accurate model of the legendary LA 2A optical compre...

Страница 54: ...de modeled four band parametric EQ Vintage EQ Inspired by legendary British large console EQs theEQsection Figure 8 3 modelsthesoundof the most sought after classic equalizers Four bands of center fre...

Страница 55: ...des a thumbnail visual indication of the current EQ settings for the input channel It is for visual reference only and cannot be edited directly However you can click it to open the full size EQ graph...

Страница 56: ...on meter The Gain reduction meter Figure 8 5 displays the current amount of attenuation applied by the compressor before the makeup gain stage RMS mode By default the compressor operates in Peak mode...

Страница 57: ...in the dark paint on a piece of foil covered by metalized glass or plastic and are the same devices used in low power night lights Unfortunately these devices need high voltages to operate and are bes...

Страница 58: ...p bus to the Reverb processor with the Reverb send on its channel strip All incoming signals to the reverb processor are merged and processed together The resulting stereo output from the reverb can t...

Страница 59: ...r item 30 on page 18 shows how much of the available DSP processing power is currently being used by the mixer for the mix and for effects processing If there aren t enough DSP resources for all effec...

Страница 60: ...M I X E R E F F E C T S 60...

Страница 61: ...TALLATION MOTU Audio Tools is a standard software application installed on your Mac or PC when you run the MOTU Pro Audio installer or setup app It can be found in the Applications folder Mac or Start...

Страница 62: ...controlled by the From device to computer setting in the Device tab For example if 18 channels are specified you ll see 18 channels in the Left Right Input menus Use the Routing tab to map desired aud...

Страница 63: ...ons for displaying the two input channels Figure 9 4 FFT and Spectrogram display View controls Y axis labels for FFT display Horizontal controls Vertical controls Spectrogram controls Grow handle FFT...

Страница 64: ...et and Min Max To change the mode use the Horizontal control menu Figure 9 7 In Zoom Offset mode Zoom sets the display zoom from 1x to 100x where the number represents the zoom factor relative to the...

Страница 65: ...View menu TheView menu Figure 9 11 lets you choose how to display the audio channel s being displayed Display options The Axes control Figure 9 11 sets the opacity of the grid displayed in the graph...

Страница 66: ...o 100x and Pos moves the line marking amplitude equals zero line up or down In Min Max mode Min and Max set the smallest and largest displayed amplitude Waveform Recognition The Waveform Recognition o...

Страница 67: ...ger mode see Trigger modes below Enabling the Magnitude checkbox tells the trigger to look for both positive and negative Level values regardless of whether the Level value is positive or negative For...

Страница 68: ...profiles and if necessary make adjustments to the source of each signal and view your changes in real time Viewing transients such as drum hits If you loop a snare hit or other similar transient audi...

Страница 69: ...are easily seen in the Oscilloscope display A good example is DC offset If a signal develops DC offset the apparent vertical center of its overall waveform will drift above or below the line marking...

Страница 70: ...lso thick white diagonal lines for y x and y x Metering Level meters are displayed above and to the right of the graph for the left green and right red channels respectively An additional Correlation...

Страница 71: ...blue before disappearing In Grayscale mode data is first shown in white and then fades to gray To adjust the scale of this color brightness change see Decay on page 72 Axes The Axes control Figure 9 1...

Страница 72: ...ve they expand away from the origin The further the warp value is from zero the greater the effect Using the X Y Plot The X Y Plot helps you see the width of the stereo field of a mix Figure 9 19 It a...

Страница 73: ...ical axis represents the phase difference of left channel minus the right channel Correlation Meter The blue Correlation Meter to the right of the display shows the correlation between the two channel...

Страница 74: ...ency With a linear scale frequencies are spaced evenly in a logarithmic scale each octave is spaced evenly frequencies are scaled logarithmically within each octave Linear is better for viewing high f...

Страница 75: ...n the polar display top row of Figure 9 27 on page 76 stereo material that is predominantly phase aligned correlated appears along the vertical axis as demonstrated in the first column Perfectly in ph...

Страница 76: ...e signal that touch the 1 0 or 1 0 vertical lines in the grid will be canceled out at the frequency where they touch when the signal is summed to mono In the polar view any signal that falls on the ne...

Страница 77: ...Part3 Appendices...

Страница 78: ......

Страница 79: ...ucing monitoring latency on page 46 The Routing tab page 15 doesn t display some of the inputs or outputs on my interface The Routing tab only displays input and output banks that are enabled in the D...

Страница 80: ...y 9 a m to 6 p m EST Online support www motu com support Please provide the following information to help us solve your problem as quickly as possible The serial number of your MOTU device This is pri...

Страница 81: ...dB 12 dBu to 12 dBu in 1 dB steps Line In Connector Type 1 4 Female TRS Balanced unbalanced Tip hot Specification Complies with EBU R68 SMPTE RP 155 Impedance Load 10 k ohm Dynamic Range 110 dB A wei...

Страница 82: ...ge 128 dB 0 to 127 dB muted in 1 dB steps S PDIF Connector Type RCA Termination 75 ohm I O Lock Range 44 1k 48k 0 5 1x 2x Input Voltage Range 0 2 Vpp 1Vpp With termination Output Drive 0 5 0 Vpp With...

Страница 83: ...APPENDIX 83 C Mixer Schematics MONO INPUT CHANNEL...

Страница 84: ...A P P E N D I X C M I X E R S C H E M A T I C S 84 STEREO INPUT CHANNEL...

Страница 85: ...A P P E N D I X C M I X E R S C H E M A T I C S 85 GROUP BUS...

Страница 86: ...A P P E N D I X C M I X E R S C H E M A T I C S 86 MONITOR BUS...

Страница 87: ...of enhancements click OK to start the update 5 Follow the on screen instructions Updating off line without internet access If the UltraLite mk4 and the computer it is connected to has no internet acc...

Страница 88: ...M W A R E 88 Viewing the latest firmware version information You can confirm the firmware version at the bottom of the Device tab Figure D 2 Figure D 2 The currently installed firmware version is dis...

Страница 89: ...ld result otherwise 2 Carefully remove the two screws on the top of the unit 3 Carefully remove the top cover of the unit 4 FindtheAuto onjumper Figure 9 29 whichis located along the right hand side o...

Страница 90: ...A P P E N D I X E A U T O O N M O D E 90...

Страница 91: ...SP effects 53 meter 59 resources 59 DSP Usage 18 59 E Effects 53 Enable Jam Sync 14 EQ 54 enabling 54 filter types 54 frequency 54 gain 54 Q 54 F Factory Defaults 44 Firefox 11 Firmware version 14 Fir...

Страница 92: ...Routing tab 15 Pro Audio Control web app 7 11 21 Aux Mixing tab 17 Device tab 12 13 Mixing tab 16 Routing tab 15 Pro Tools 45 46 Processing 53 Q Q 54 Quick Setup window 7 QuickStart Guide 7 R Ratio C...

Страница 93: ...I N D E X 93 installing drivers 27 V View Personal Mix 17 W Wave driver 46 WDM Wave Driver 28 Width reverb 59 Windows shortcut 28 system requirements 25 WDM Wave driver 28 X X Y Plot 70...

Страница 94: ...I N D E X 94...

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