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Emagic Emi 2/6 Owner'S Manual Download Page 47

Configuring and Using the EMI 2|6

47

Owner’s Manual

Version 1.1

2

2

2

2

Double-clicking will reveal the control panel discussed above.

This illustration shows the volume control panel for the 
EMI 2|6. The playback level for audio recordings is controlled 
via the “Wave” slider. This control is placed after EMI 2|6’s 
output. This means that EMI 2|6’s master output fader in your 
music software can only control the full output dynamic range if 
both the “Wave” and the “Emagic EMI 2|6” sliders are set to 
maximum.

You can also switch views to display a mixer control panel that 
allows you to set the input monitoring level via 

Options > Prop-

erties > Recording

 from within the control panel shown above. 

Summary of Contents for Emi 2/6

Page 1: ...Hardware Owner s Manual emi 2 6 Version 1 1 July 2001 English ...

Page 2: ......

Page 3: ...age 9 5 EMI 2 6 Hardware 10 Connectors Switches and Displays 10 Application Examples 14 6 Installation and Updating 21 Installation on Windows Millennium 22 Installation on Windows 98 SE 26 Installation on Windows 2000 27 Installation on Mac OS 29 Driver Updates 34 7 Configuring and Using the EMI 2 6 35 Audio Drivers 35 Selecting The Appropriate Driver 36 Software Controls 39 Surround Output Mappi...

Page 4: ...r Architecture Windows 50 9 Technical Specifications 51 Signal to Noise Ratio 52 Dynamic Range 53 Frequency Response 54 Application of the Channel Status in the EMI 2 6 55 10 Troubleshooting 56 11 Glossary 62 12 EMC Statements 63 Declaration of Conformity 63 EG Konformitätserklärung EC Declaration of Conformity 65 ...

Page 5: ... undesirable electronic interference is drasti cally reduced This ensures exceptionally clear and clean sound from the EMI 2 6 and maximizes the potential of its high qual ity 24 bit converters In addition to its hardware design we have taken great care with the EMI 2 6 driver software This ensures that latency is minimal making the EMI 2 6 an ideal audio interface for tasks such as the realtime m...

Page 6: ... USB PCI card or higher Macintosh with integrated USB port G3 or G4 pro cessor recommended Memory 64 MB RAM Drive CD ROM or DVD ROM Interface A free USB port Operating System Mac OS 9 0 4 or higher The EMI 2 6 is unsupported as at the time of writing June 2001 in Mac OS X Please refer to the readme docu mentation on the supplied CD ROM and visit the Emagic web site www emagic de for further inform...

Page 7: ...2 6 is directly con nected to a USB port on the CPU housing rather than via a hub An optional Emagic power supply is available if required Check with the manufacturer of your PCI USB card to con firm that it supports the playback and recording of audio data Supported Audio Drivers Mac OS SoundManager ASIO SoundManager supports 16 Bit stereo audio ASIO does not have this limitation Windows MME Dire...

Page 8: ...light or near other heat sources Protect your EMI 2 6 from moisture heavy dust aggressive liquids and steam If any moisture gets inside the EMI 2 6 you should immediately remove all cables and contact Emagic support Do not place your EMI 2 6 near electro magnetic fields as this can affect audio quality Avoid positions near to radios TVs and video units Never carry your EMI 2 6 with any cables conn...

Page 9: ... abovementioned items are missing please contact your dealer or local Emagic distributor In order to connect the EMI 2 6 to other audio devices the fol lowing items not supplied with the package are required RCA cables for the analog inputs and outputs 75 Ohm coaxial cables for the digital inputs and outputs A pair of stereo headphones with a 3 5mm 1 8th inch stereo plug Note that the requirement ...

Page 10: ...rocedure which takes approximately five sec onds Please note that this assumes that the operating system is pro perly installed and configured Also note that only the blue power indicator LED will be lit until all drivers are loaded and available for use by the EMI 2 6 The EMI 2 6 can not be used when it is not connected to the computer or when the computer is switched off Analog Inputs and Output...

Page 11: ...recorder to the EMI 2 6 s digital input in order to record their signals digitally The digital output of the EMI 2 6 always mirrors the signals from analog outputs 1 and 2 It can be used to connect the EMI 2 6 to a digital mixer for further processing or a DAT machine for recording A table in the appendix displays the application of channel status in the EMI 2 6 according to the IEC standard Exter...

Page 12: ...witch is used for the selection of the analog or digital inputs Only the signal from the selected input will be sent to the computer It is not possible to mix the analog and digital inputs Clock Source Selector This switch allows you to select between the EMI 2 6 s internal clock or an external clock source connected to the EMI 2 6 s digital input If no valid digital clock signal is received the E...

Page 13: ...LED is lit when the selected sampling rate is 44 1kHz the sampling rate is selected on the con nected computer 48kHz this LED is lit when the selected sampling rate is 48kHz 24 bit Recording this LED is lit when the selected recording resolution is 24 bit unlit 16 bit the bit resolution is selected on the con nected computer Playback this LED is lit when the selected playback resolution is 24 bit ...

Page 14: ...ing via the analog inputs while mon itoring through the analog outputs The clock source switch is set to Intern the input selector to Analog If you wish to take advantage of the EMI 2 6 s latency free monitoring you should use outputs 1 and 2 or the headphone out monitoring and playback recording playback USB monitoring and playback intern analog Power Digital Analog 44 1kHz 48kHz Recording Playba...

Page 15: ...available the audio input is fed directly to outputs 1 and 2 making use of EMI 2 6 s hardware monitoring facility Digital Recording and Playback When recording from a digital source the Clock Source setting is very important The setting should correspond to the con nected device i e if a clock master device is connected the switch should be set to Extern If you insert an effects processor intern o...

Page 16: ...l CD player with digital outputs is an ideal example of an audio device that is only able to work as a clock master The CD player may have a digital out but no digital in and therefore can not be clocked externally A digital device receiving the CD player s digital output signal must be clocked by this signal and can not act as the master device i e it is the slave device If two devices are acting...

Page 17: ...ful when the EMI 2 6 is used with another audio device with a digital output By synchroniz ing the EMI 2 6 to this device the sampling rates are locked to one an other which prevent long audio files from drifting apart during playback monitoring and playback recording playback USB monitoring and playback extern analog external clock Power Digital Analog 44 1kHz 48kHz Recording Playback Intern Exte...

Page 18: ...s built in monitoring function The volume of the monitor signal can be set via the Windows mixer applet See the Setting the Input Level section from page 45 onwards When using the SoundManager driver the volume of the monitor signal can be set in the Sound Control Panel digital output signal USB intern analog Power Digital Analog 44 1kHz 48kHz Recording Playback Intern Extern Input Sample Rate 24 ...

Page 19: ...ignal is sent via the USB connection the computer needs to be switched on for this functionality of operate Digital Analog Conversion For D A conversion a digital signal is fed to the digital input and then passed to analog outputs 1 and 2 using the built in monitoring function of the EMI 2 6 To avoid resampling the EMI 2 6 should be synchronized to the incoming digital sig analog output signal US...

Page 20: ...0 EMI 2 6 Hardware Emagic EMI 2 6 nal i e Clock Source should be set to Extern Even though no signal is sent via the USB connection the computer needs to be switched on for this functionality to operate ...

Page 21: ...uter permanently Please note that the installation procedures outlined in this chapter may change periodically Please consult the readme file supplied with any future EMI 2 6 driver updates for details The first section concerns installation on all currently sup ported Windows versions Macintosh installation instructions can be found in the Installation on Mac OS section from page 29 onwards The l...

Page 22: ...MI 2 6 is receiving power via the Universal Serial Bus USB The Windows Hardware Wizard should automatically launch and will indicate that a new USB device has been detected Please note that the dialog boxes shown in this manual are those found in Windows Me These may look slightly different to dialog boxes displayed in other Windows versions Click on the Specify the location of the driver Advanced...

Page 23: ...selected i e your CD ROM drive click the Next button A new window will appear which displays all drivers found on the CD In the event that this doesn t occur automatically please navi gate to the media that contains the drivers by clicking on the Browse button and select the file named EMI2 6 INF manually ...

Page 24: ...ck on the Finish button A dialog appears asking if you want to restart the computer This is highly recommended before using the EMI 2 6 for the first time Click the Yes but ton to restart your computer The EMI 2 6 requires and uses two separate driver compo nents Windows will ask for confirmation of the installation of each device Please click on the Finish button to confirm when prompted One of t...

Page 25: ...rties In the system tray a small blue icon appears following a suc cessful installation Double clicking on this icon will launch a small applet which accesses global options for the EMI 2 6 Congratulations you ve successfully installed the EMI 2 6 You may now use your EMI 2 6 with MME DirectSound ASIO or the EASI driver with your music software Information about ...

Page 26: ...ard will automatically launch Click on the Next button Select the Search for the best driver for your device Rec ommended radio button Click the Next button Select an optional search location if necessary If you are in stalling the driver from CD ROM check the CD ROM drive option Click on the Next button The Windows is now ready to install the best driver for this device dialog will appear Click o...

Page 27: ...ion on Windows 2000 Start and boot your computer completely Insert the EMI 2 6 drivers CD ROM into your computer s CD ROM drive Connect the EMI 2 6 to any of your computer s unused USB ports via the supplied USB cable The Add New Hardware Wizard will automatically launch Click on the Next button Select Search for a suitable driver for my device recom mended Click on the Next button Select an optio...

Page 28: ...in a Microsoft digital signature It is safe to install the drivers The Emagic drivers are fully functional and there is no risk associated with the installation of these drivers on your system You will be asked the following Do you want to continue the installation Click on the Yes button During installation you may be asked to insert the Windows 2000 Installation CD ROM or the Emagic Drivers CD R...

Page 29: ...o select the ASIO SoundManager or a full driver installation For applications such as Logic Audio and Cubase the EMI 2 6 communicates via the ASIO driver For applications such as iTunes the SoundManager driver is used We recommend that you select the EMI 2 6 Full Driver Installation Prior to installing any of these files you should consult the doc umentation that was supplied with your audio appli...

Page 30: ... Note that the display of the ASIO Drivers selection dialog is dependent on whether or not multiple ASIO host applications exist on your Macintosh Select the desired ASIO Drivers folder and click on the OK button If the EMI 2 6 ASIO Driver installation was selected the installer will complete and a dialog will inform you that the EMI 2 6 ASIO drivers were successfully installed and to connect the ...

Page 31: ...or all of the following The utility EMI 2 6 Driver Switch which allows fast switch ing between the ASIO and SoundManager drivers USB Emagic EMI 2 6 Driver is the firmware for the EMI 2 6 It is required by the Macintosh to recognize the type of USB device connected to it and what the EMI 2 6 does Without this system extension installed in the System Extensions folder the EMI 2 6 will not function U...

Page 32: ...undManager The SoundManager driver for the EMI 2 6 is limited to stereo in out 16 Bit operation If your audio application uses SoundManager to access audio hardware only the USB Emagic EMI 2 6 Driver extension file can be active in the System Folder Extensions sub folder If the USB Emagic EMI 2 6 Audio extension file is active in the System Folder Extensions sub folder the SoundManager will not re...

Page 33: ...other driver To select the non active driver click on the Switch button To leave the current driver active click on the Cancel but ton A dialog will launch advising you to disconnect the EMI 2 6 and click OK Once OK is clicked a further dialog will advise you that the driver has switched and that you are able to reconnect the EMI 2 6 to the USB port You must disconnect and reconnect the EMI 2 6 US...

Page 34: ...m Insert the EMI 2 6 Driver Update CD ROM into your com puter s CD ROM drive or unpack the updated drivers pack age to a local drive on your computer if downloaded from the Internet Follow the installation instructions outlined in the readme file which shipped with your CD ROM or was downloaded via the Internet as part of the drivers package It is possible that the EMI 2 6 may need to be re initia...

Page 35: ...ke CoolEdit for example This driver takes advantage of the WDM Windows Driver Model architecture It is multi client capable which means that multiple applications can use the driver and therefore the EMI 2 6 simultaneously DirectSound for games and stand alone software synthesiz ers such as Rebirth This driver takes advantage of the WDM Windows Driver Model architecture It is multi client capable ...

Page 36: ...n a particular audio application it is locked to that driver and can not be used with the ASIO or EASI driver at the same time If you try to activate one of these driver types in the same program or in another simultaneously an error message will appear onscreen indicating that the hardware is busy or not available SoundManager MME and DirectSound If a program only supports SoundManager or MME you...

Page 37: ...indows 98 SE it is possible that the quality of audio playback in some applications may not be optimal Please refer to the Audio quality is poor in Windows 98 SE section from page 59 onwards for solutions ASIO and EASI ASIO and EASI are driver types that were specifically designed for music applications where multiple low latency audio chan nels are required The ASIO and EASI drivers for the EMI 2...

Page 38: ...ible The EMI 2 6 EASI driver is optimized for use with Logic s audio engine and delivers efficient and reliable performance even under heavy system loads The Release Audio if Stopped in Background option allows the EMI 2 6 audio driver ASIO EASI for example to be released by Logic Audio whenever the sequencer is stopped This allows the EMI 2 6 to be used by another application e g a sample editor ...

Page 39: ...dows In the diagram below the icon for one of these control panels is shown in the system tray When the icon is clicked with the right mouse button the fol lowing menu appears If you double click on the icon with the left mouse button or select Open from the menu above the Emagic EMI 2 6 Device Options are shown as per the diagram below The options available in this control panel are the same as t...

Page 40: ...he SoundManager driver is supplied by the Mac OS so the parame ters of the Control Panel discussed only affect the ASIO operation of the EMI 2 6 Low Bandwidth Mode Stereo Only 16 Bit Using this control panel option you can globally select a sam pling rate for the EMI 2 6 and activate Low bandwidth mode ste reo 16 bit only On Windows systems changing this option should only occur when the EMI 2 6 i...

Page 41: ...ou only use the EMI 2 6 in ste reo as it saves USB bandwidth The operating system reserves six audio channels for the EMI 2 6 even if only two of them are used with the other outputs receiving silence In this scenario the USB bandwidth used by the other four channels is wasted unnecessarily If you wish to use another device via USB especially one with high bandwidth needs such as a webcam it may s...

Page 42: ...ack systems i e an amplifier and speakers This process is called digital to analog conversion and is dealt with by the Digital to Analog Converter DAC The conversions from analog to digital and back require time which equals latency The Driver Latency and Audio bit depth settings only affect the EASI ASIO operation of the EMI 2 6 They do not have any impact on the MME DirectSound or SoundManager d...

Page 43: ...s clicks or distortion of your audio signals In general the Nor mal setting provides the most balanced performance on most systems It provides acceptable latency for softsynth use for example and places less strain on system resources than the Small setting If you find that the latency is disconcerting when using the Normal setting select one of the other buttons The Large button may prove of use ...

Page 44: ...y of approx 1 ms millisecond i e 1 1000th of a second If an audio signal is converted from analog to digital and back it is delayed by 2 ms In addition to this value the latency from the audio driver itself plus a further possible latency from within the program being used need to be added It also makes a difference if an audio signal is monitored through the computer or if it s generated inside t...

Page 45: ... mixing desk etc If you wish to record non line level sources such as micro phones and guitars use an external mic preamplifier such as that found on a mixing desk and route the signal from the mixer s sub groups into the EMI 2 6 analog or digital inputs Note that use of the EMI 2 6 digital inputs requires a digital mixing desk or other digital device The Mac OS Sound Control Panel To use the EMI ...

Page 46: ...6 s output level is too low The Windows Volume Control The Windows Volume Control accessory provides control of the following Playback Level Input Monitoring Level It is accessible via the Start menu Start Programs Accesso ries Multimedia Volume Control or in Windows 98 SE ME via Start Programs Accessories Entertainment Volume Control The Volume control can be accessed more easily if you check the...

Page 47: ...controlled via the Wave slider This control is placed after EMI 2 6 s output This means that EMI 2 6 s master output fader in your music software can only control the full output dynamic range if both the Wave and the Emagic EMI 2 6 sliders are set to maximum You can also switch views to display a mixer control panel that allows you to set the input monitoring level via Options Prop erties Recordi...

Page 48: ...48 Configuring and Using the EMI 2 6 Emagic EMI 2 6 Surround Output Mapping Output Spatial Location 1 Front Left 2 Front Right 3 Front Center 4 Low Frequency Enhancement LFE 5 Rear Left 6 Rear Right ...

Page 49: ...mpler D A IEC 958 Output D A D A Master Volume Phones Volume Input Monitor Volume USB 1 1 Left Input Right Input Digital Input Output 6 Digital Output Phones Output 5 Output 4 Output 3 Output 2 Output 1 44 1kHz 48kHz Audio Clock Clock Source Sample Rate USB Interface Signal Present Signal Present Signal Present Signal Present ...

Page 50: ...50 Block Diagrams Emagic EMI 2 6 EMI 2 6 Software Driver Architecture Windows ...

Page 51: ...fications Parameter Typical value bit resolution 16bit 24bit sampling rates 44 1kHz 48kHz signal to noise ratio 99dB dynamic range 99dB frequency response 20Hz 20kHz 0 5dB input level 2 8Vpp 0dBV 2 2dBu output level 2 8Vpp 0dBV 2 2dBu Group Delay ADC 27 6 fs Group Delay DAC 21 9 fs ...

Page 52: ...se Ratio The signal to noise ratio was measured under the following conditions input to output sampling rate 44 1kHz playback of digital zero DAC attenuation level 65dB recording with 16 Bit resolution FFT with 16 384 points Blackman Harris window A weighted ...

Page 53: ... measured under the following condi tions input to output sampling rate 44 1kHz playback of a 1kHz signal appearing as a peak in the graph ic with a level of 0dBFS and 24bit resolution DAC atten uation level 65dB recording at 16 bit resolution FFT with 16 384 points Blackman Harris window A weighted ...

Page 54: ...Emagic EMI 2 6 Frequency Response The frequency response was measured under the following conditions input to output sampling rate 44 1kHz playback sweep with a level of 3dBFS and 24bit resolution recording with 16 bit resolution ...

Page 55: ...Consumer use 1 5 0X000 2 audio channels w o pre emphasis X0XXX Digital copy permitted Mode 6 7 00 Mode 0 Category Code 8 15 00000000 2 channel general format Source Number 16 19 0000 Don t care Channel Number 20 23 0000 Don t care fs 24 27 0000 44 1kHz 0100 48kHz Clock Accuracy 28 29 00 Level II Reserved 30 191 0 Reserved for future standardization ...

Page 56: ...upply If the USB power supply is insufficient for use with the EMI 2 6 which may be the case with some laptop compu ters only use the Emagic supplied external power supply for the EMI 2 6 The blue power LED is lit but the green status LEDs are not It is possible that the EMI 2 6 drivers are not installed or not correctly installed Please repeat the installation process using your driver installati...

Page 57: ...n issues when using the digital input in Windows 98 SE and Windows 2000 Windows 98 SE and Windows 2000 do not fully provide the functionality required for external synchronization We recommend that you set Clock Source on the EMI 2 6 to Intern to avoid this issue I cannot activate the EASI or ASIO driver for my EMI 2 6 Windows The EMI 2 6 can only be used with one driver type at any one time with ...

Page 58: ...EMI 2 6 via EASI or ASIO drivers for general audio use in Logic Audio you will need to deactivate the WavePlayer or route its output to a different sound card Mac OS If you would like to use the EMI 2 6 via the SoundManager as an alternative to the integrated audio system of your Mac please make use of the EMI 2 6 Driver switch utility The procedure is outlined in the Switching Between SoundManage...

Page 59: ... from page 45 onwards Audio quality is poor in Windows 98 SE Open Control Panel Multimedia Audio For both Sound Playback and Recording click on the Advanced button In the ensuing windows select the Performance tab and change the Sample rate conversion quality slider to Best This must be changed in both Performance tabs to enhance the playback and recording audio quality Inserting a digital effects...

Page 60: ...e audio material in Channel Status messages As an example information about the sampling rate being used This information needs to correspond with the actual sampling rate on some DAT recorders In this situation the sample rate setting of the EMI 2 6 needs to be set to the appropriate rate even if the EMI 2 6 is synchronized to an external source Activating CD audio playback via the EMI 2 6 Window...

Page 61: ... 2 2 2 Unsupported Windows Version Detected dialog This dialog will appear if you are running Windows 95 or the Gold edition of Windows 98 i e the initial release of Windows 98 We recommend that you upgrade your operating system to Windows Millenium ...

Page 62: ...internally Other devices work as slaves and are synced externally to the clock master IEC International Electrotechnical Commission International institution for defining publishing and controlling stan dards See www iec ch dB decibel A numerical value for the relative loudness of a sound expressed logarithmically Different measures of dB such as dBu or dBV are used depend on the application and n...

Page 63: ...orter hereby declares that the abovementioned pro duct complies with Part 15 of FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Caution Unauthorized changes or modifications to this system can void the users authority to o...

Page 64: ...this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the re ceiver Connect the equipment into an outlet on a circuit diff...

Page 65: ...imation of the laws of the Member States relating to Low Voltage Directive 73 23 EEC Zur Beurteilung hinsichtlich der Gerätesicherheit wurde der Europäische Standard EN 60950 1997 angewendet Conformity is based upon compliance of the product with the European Safety Standard EN 60950 1997 and includes all European country deviations Electromagnetic Compatibility Directive 89 336 EEC Zur Beurteilun...

Page 66: ...66 EMC Statements Emagic EMI 2 6 ...

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