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M-Audio Dman 2044, Manual

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Plug-and-Play (PnP) and Resources .................................................. 28
PCI Interrupts  ....................................................................................... 29
Recognizing an Interrupt Conflict  ..................................................... 29

Curing a Resource Conflict with a Legacy Card ..................................... 30
Troubleshooting ........................................................................................... 31

Hardware Troubleshooting ................................................................. 31
Software Troubleshooting ................................................................... 33

Appendix A - Glossary of Terms ............................................................... 34
Appendix B - Technical Specs .................................................................... 35

Analog Audio  ....................................................................................... 35
A/D and D/A Converters  .................................................................. 35
Interface Resource Requirements  ...................................................... 35 

Limited Lifetime Warranty  ........................................................................ 36

Summary of Contents for Dman 2044

Page 1: ...t Device Operation 14 Hardware Mixer Operation 15 Windows Playback Mixer 16 DMAN 2044 Audio Settings Property Page 17 Windows Multimedia Properties 18 Windows Sound Recorder 18 Using Advanced 3rd Party Applications 19 Mac Installation 20 Sound Manager Driver Installation 20 Changing Sample Rates 21 Replacing an older driver 21 ASIO Driver installation 22 For Cubase 3 xx 23 Cubase 3 xx Switching be...

Page 2: ...Curing a Resource Conflict with a Legacy Card 30 Troubleshooting 31 Hardware Troubleshooting 31 Software Troubleshooting 33 Appendix A Glossary of Terms 34 Appendix B Technical Specs 35 Analog Audio 35 A D and D A Converters 35 Interface Resource Requirements 35 Limited Lifetime Warranty 36 ...

Page 3: ...off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 reorient or relocate the receiving antenna 2 increase the separation between the equipment and the receiver 3 connect the equipment into an outlet on a circuit different from that of the receiver 4 consult the dealer or an experienced audio television technician NOTE Connecting this devi...

Page 4: ...ore installing the DMAN 2044 Mac Users please refer to the section titled Mac Installation If after reading this manual you need additional tech support or if you have comments or suggestions we invite you to contact us directly by any one of the following methods MIDIMAN 45 East St Joseph Street Arcadia CA 91006 2861 Technical Assistance 626 445 8495 Fax 626 445 7564 Midiman BBS 626 445 8549 Inte...

Page 5: ...cific manual section containing further detailed information 1 Physically install the card inside your computer and attach the audio break out cable Hardware Installation 2 Install software drivers and utilities Software Installation 3 Configure your digital recording software See your software application s manual 4 Operate the DMAN 2044 and its software DMAN 2044 Operation About the DMAN 2044 Th...

Page 6: ...dio devices Card Installation To mechanically install the DMAN 2044 card into your computer do the following 1 Turn off your computer 2 Remove the computer s cover 3 Determine the input settings for your DMAN 2044 see Configuring DMAN 2044 Input Gain section and set the jumpers on the DMAN 2044 card accordingly If in doubt use the factory settings 4 Identify a PCI slot for installation of the DMAN...

Page 7: ...should attach the provided audio break out cable 1 With your computer turned off locate the DMAN 2044 card from the back side of the computer The DMAN 2044 card may be identified by its single male DB15 type connector The connector looks much like a PC game port connector except that it has 15 pins protruding from it instead of having 15 sockets the DMAN connector is called a male connector a game...

Page 8: ...f the external audio device s before connecting to the DMAN 2044 2 Connect one or more of the DMAN 2044 output jacks to unbalanced input s of your mixer amplifier multimedia speakers or whatever else you may be using to amplify and listen to the audio signals Depending on the types of jacks used throughout your system you may need to purchase converter cables or jacks in order to make the proper c...

Page 9: ...el An installed jumper factory default selects 10 dB a removed jumper selects 4 dB For best signal to noise performance use the 4 dB setting and set your audio source louder than you would if using the 10 dB set ting Input Signal Level Jumper Positions MIDIMAN DMAN2044 JP1 JP2 JP3 JP4 Audio DMAN 2044 In 1 Left Right Main In Amplifier Mic CD Player In 2 Mic Preamp Keyboard In 3 In 4 Right Out Left ...

Page 10: ...C Format contains all of the soft ware necessary to configure control and operate the DMAN 2044 audio card Windows 95 Driver Utility Installation In order for you to use the DMAN 2044 with your Windows 95 applica tions you will be required to first load the DMAN 2044 Windows 95 soft ware drivers Follow the steps below for a no hassle installation 1 After physical installation of the DMAN 2044 card...

Page 11: ...2044 is ready for immediate use Windows 98 Driver Utility Installation 1 After physical installation of the DMAN 2044 card boot your comput er system and start Windows 98 2 As the computer enters Windows 98 it will automatically detect the DMAN 2044 s presence in your computer An Insert Disk dialog box will appear prompting you to insert the Drivers Utilities diskette Insert the disk labeled DMAN ...

Page 12: ...lick the System icon in the Control Panel This should open the System Properties dialog box Click on the Device Manager tab to reveal the Windows Device Manager 4 Next to the line that says Sound video and game controllers click on the plus sign This will display one or more devices installed in your computer one of which should be the Midiman DMAN 2044 device 12 ...

Page 13: ...System Properties Dialog 5 Double click the line Midiman DMAN 2044 device to expose the DMAN 2044 Properties page 13 ...

Page 14: ...e the general architec ture of the DMAN 2044 hardware and how the various software drivers utilities and applications operate in conjunction with the DMAN 2044 Multi Port Device Operation The Windows 98 95 Multimedia Extensions MME provide no standard method for accessing multiple ports on a single audio card As a result a de facto standard has been developed by various audio software and hardware...

Page 15: ...ure below depicts just one of four circuits in the hardware input mixer IN1 Mixer Block Diagram Notice that not only does the audio from each input go to your software application for recording but it is also monitored at the output of your choice The monitoring level and destination are both software pro grammable NOTE There are no recording level controls for the DMAN 2044 inputs In order to obt...

Page 16: ...Playback Mixer and it should look like this The Windows Playback Mixer The leftmost four volume sliders control the levels of each WAV output Playback 1 through Playback 4 these are the WAV audio streams com ing from your software application Dragging these volume sliders with the mouse will adjust the output levels of each WAV playback channel Notice also that the Balance controls are grayed out ...

Page 17: ...y double click on its icon In the Monitor Assignments group there are four list boxes one for each input These list boxes control the monitor routing for each card input In other words they specify an output jack at which you will be able to hear monitor the input signal In the example above the user will hear a mix of IN1 IN3 at OUT1 and a mix of IN2 IN4 at OUT2 Any combination of inputs may be r...

Page 18: ...layback device you may select either DMAN2044 1 2 Playback or DMAN2044 3 4 Playback You should check the Show volume control on the taskbar checkbox if you want easy access to the Windows Playback mixer application Checking this will provide a tiny speaker icon on the task bar that you may conveniently double click to open the Windows mixer at any time As the standard recording device you may sele...

Page 19: ...ly work around those settings IMPORTANT Instead of relying on the general Windows audio sam ple rate format full and half duplex settings 3rd party digital audio recording software usually bypasses those settings and instead has its own local audio record playback configuration For example you often select the sampling rate 22 kHz 44 1 kHz and 48 kHz on some products and format 16 bit stereo 8 bit...

Page 20: ...nputs 1 and 2 or inputs 3 and 4 are active at any given time Therefore you can have two different stereo sound sources plugged into the DMAN2044 at the same time and switch between them Please Note If your Apple Control Panel does not contain Sound Manager it can be found in the Sound Control Panel folder in the Apple Extras folder Open the Sound Control Panels folder click on Sounds and drag it t...

Page 21: ...uts or 3 and 4 You can also independently set the playback and moni tor levels of all 4 output channels If you are not using Cubase we sug gest that you simply set the input channels to be 1 and 2 and the output channels to be 1 and 2 Also set all of the playback and monitor levels to full volume i e all the way up Now you can start your sound application and try playing back and recording with th...

Page 22: ...ation VERY IMPORTANT If you are using the 2044 ASIO driver and Cubase you MUST do the following after you have installed the Apple Sound Manager Driver as mentioned above Go into the Sound Control Panel and make sure that the DMAN2044 is NOT selected as either the record or playback device You should probably set the playback and record devices to Built in If mistakenly the DMAN 2044 is set up as ...

Page 23: ...ly installed the appropriate ASIO driver then you may wish to select which stereo input pair 1 and 2 or 3 and 4 is active You can do this within the Cubase program itself in the following manner 1 Under the Cubase Audio menu go down and select System This will bring up the Audio System set up dialog box 2 On the upper right of this box you will see a button labeled Launch Click on this This will b...

Page 24: ...bring up the System dialog box which is under the Options menu At the upper right of this box you will see ASIO Device You need to make sure that ASIO 2044 is selected and displayed under this pull down menu If this is not done the DMAN2044 will not function as your active sound card device Cubase 4 xx Switching Between Input Pairs If you are using Cubase and have properly installed the appropriat...

Page 25: ... up dialog box 2 At the middle right of this screen you will see the Sample Rate call out Pull the menu down below this and you can now select the desired sample rate About Digital Recording If your only previous experience is with analog recording you are in for a treat If you have done digital recording before you can skip over this section our feelings won t be hurt As taught in high school sci...

Page 26: ...internally while others use the Windows level controls Make sure you know which is which If you are not getting the levels you expect retrace your signal chain and make sure that you are adjusting levels in the correct places Also refer back to the mixer sections of this manual as a hard ware reference Plan ahead Think about how you will lay down tracks ahead of time and decide in what order you a...

Page 27: ... the audio quality in this case and will take less disk space to store the file Keep in mind also that if you are working on a project that is destined to be burnt to an audio CD ROM you should choose 44 1 kHz because that is the native sampling rate of current CD ROM technology Otherwise you may have to subject your audio data to sample rate conversion which can deterio rate the sound somewhat 16...

Page 28: ...ration conflicts by consulting complicated documentation provided with the each inter face card contacting the supplier s technical support group consulting a friend or giving up in disgust Even trained engineers found the PC card configuration process unreliable and frustrating As the current generation ISA expansion cards were introduced including multi func tion versions with wavetable music sy...

Page 29: ...ion information PCI Interrupts The PCI bus connectors the slots in which you install PCI cards have four interrupt lines wired to each of them interrupts A B C and D The motherboard allows PCI cards to share interrupts and also provides a way to assign each interrupt to a specific IRQ on the motherboard the same IRQ s available to devices in ISA slots This interrupt assignment sometimes called int...

Page 30: ...t in use and you are all done However if the Conflicting Device list shows No conflicts then there is probably some legacy ISA card using that IRQ and Windows 95 is unaware of it Curing a Resource Conflict with a Legacy Card When you have determined that the conflicting card is a legacy card there are several options remove the offending card completely recon figure the offending card reserve the ...

Page 31: ...nager tab to reveal the Windows 95 Device Manager Then press the Properties but ton Select the Reserve Resources tab Select the Interrupt Request IRQ radiobutton in order to display the list of reserved IRQ s You may then add to the list any IRQ s you would like to reserve for your legacy ISA card s Troubleshooting This section addresses potential problems that are not usually due to resource conf...

Page 32: ...flict Investigate and change IRQ setting of one or more board s Problem Recorded waveforms are clipped or clipping is indicated by software application VU meters Possible Cause 1 The audio input signal is too hot If the input sig nal level jumper on the affected channel is not installed channel is set for 4 dB operation then you have no choice but to reduce the volume of the signal at the external...

Page 33: ...e Cause 2 You have not selected the DMAN 2044 audio dri ver from your application Many 3rd party applications require you to manually select a specific driver for use with the application The man ner in which this selection is made is dependent on the application each one is a little different For more about the multi port device driver selection see Multi Port Device Operation Problem A 3rd party...

Page 34: ...ed terms here A D Converter A D stands for Analog to Digital An A D converter takes an analog audio input and converts it into numerical digital form The resulting numerical form is easily manipulated and stored by a host computer D A Converter D A stands for Digital to Analog A D A converter takes numeric digital data as its input then converts it and outputs it as analog audio DSP Digital Signal...

Page 35: ...4 female TS type unbalanced analog Output Connectors 1 4 female TS type unbalanced analog A D and D A Converters Type 20 bit delta sigma 128x oversampling Sample Rates 48 kHz 44 1 kHz 24 kHz 22 05 kHz Dynamic Range 99 dB A weighted A D Signal Noise Ratio 93 3 dB A weighted 16 bit mode D A Signal Noise Ratio 94 dB A weighted 16 bit mode Interface Resource Requirements IRQ One required I O Addresses...

Page 36: ...product requires repair because of user mis use or regular wear it will assess a fair repair or replacement fee The customer will have the option to pay this fee and have the unit repaired and returned or not pay this fee and have the unit returned unrepaired The remedy for breach of this limited warranty shall not include any other damages MIDI MAN will not be liable for consequential special ind...

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