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Содержание AudioFire Pre8

Страница 1: ...AUDIOFIRE2 TM AUDIOFIRE4 TM AUDIOFIRE8 TM AUDIOFIREPre8 TM AUDIOFIRE12 TM ...

Страница 2: ...Owner s Manual Version 2 2 for Windows ...

Страница 3: ...t If you are unsure about the type of power at your location contact your local power company 8 Grounding Precautions should be taken so that the grounding capabilities of the unit are not undermined The AudioFire 8 AudioFire Pre8 and AudioFire 12 are provided with a cord with an equipment grounding conductor and grounding plug This plug must be plugged into an outlet that is properly installed an...

Страница 4: ...nician when any of the following occur a Objects have fallen or liquid has spilled into the unit b The product has been exposed to rain or water c The product does not operate normally or when a marked change in performance is noticed d The product has been dropped or damaged in any way ...

Страница 5: ...e by the Echo Service Department Unauthorized service repair or modification will void this warranty To obtain factory service Contact Echo Digital Audio Corporation at 805 684 4593 9AM to 4PM Monday through Friday Pacific Time If necessary you will be given a return authorization number Products returned without an RA number will be refused Echo may at its option require proof of the original dat...

Страница 6: ...n 6450 Via Real Carpinteria CA 93013 Echo and AudioFire are trademarks of Echo Digital Audio Corporation FireWire is a trademark of Apple Computer Inc Windows Windows XP Windows Vista and Windows 7 are registered trademarks of Microsoft Inc ...

Страница 7: ... ANALOG INPUTS 28 DIGITAL INPUTS AUDIOFIRE 2 AUDIOFIRE 4 AUDIOFIRE 8 AND AUDIOFIRE PRE8 30 Adjusting Playback Volume 31 Nominal Levels 32 SETTINGS TAB 32 Sample Rate in XP 33 Core Audio Sample Rate Windows Vista Windows 7 34 Clock Source 34 Digital Mode AudioFire 8 and AudioFire Pre8 34 S PDIF Format 35 Wave Devices 35 Buffer Size 35 ABOUT DIALOGUE BOX 36 Version Information 36 Copy Version Inform...

Страница 8: ...tion 42 MULTI CLIENT AUDIO 43 FIREWIRE ANALYZER 44 Status 44 Playback 44 Record 44 ASIO wakeup 45 ASIO host 45 Firmware 45 Buffer offset 46 Things to watch for 46 Saving a report 46 CONTACTING ECHO CUSTOMER SERVICE 50 APPENDIX A GENERAL TROUBLESHOOTING GUIDE 51 APPENDIX B AUDIO SOFTWARE GUIDE 55 APPENDIX C AN INTRODUCTION TO DIGITAL RECORDING 56 INDEX 63 ...

Страница 9: ...ened the box you should have found the following An audio interface box Four mounting screws with collars AudioFire 8 AudioFire Pre8 and AudioFire 12 only Two removable rack mount brackets AudioFire 8 only A FireWire cable A MIDI and S PDIF dongle AudioFire 2 only A 4 pin to 6 pin FireWire adapter AudioFire 2 and AudioFire 4 only A power cable or power adapter A CD ROM containing Windows XP and Vi...

Страница 10: ...ou ll need the following A desktop or laptop computer with Windows XP Service Pack 3 or newer operating system An unused FireWire port A minimum 256Mb of RAM 512Mb highly recommended A fast high capacity IDE SATA or FireWire hard disk drive Peripheral audio equipment such as a mixer microphones studio monitors musical instruments etc ...

Страница 11: ...her account that has administrative privileges Otherwise you will not be able to install the hardware and drivers Important Check the Echo Website for Software Updates You should always check our website www echoaudio com for the latest driver updates before installing your AudioFire product Just go to the driver downloads area and find the AudioFire section If there is a new driver then you shoul...

Страница 12: ... If you are installing an AudioFire 8 AudioFire Pre8 or AudioFire 12 securely mount the interface into your equipment rack If you will not be mounting the box in a rack then be sure to place the interface box in a secure location 3 If you have AudioFire 8 AudioFire Pre8 or AudioFire 12 plug the power cable firmly into the interface and a power socket and then turn on the interface by pressing the ...

Страница 13: ...ista Windows 7 6 You can now attach external audio devices to the connectors on the AudioFire interface box Information on attaching external devices to the audio interface box may be found in the following section Connecting to the Audio Interface 7 Next run the AudioFire Console The console is located in the Start Menu under Echo Digital Audio and AudioFire The first time you run the console it ...

Страница 14: ...as two analog line inputs 1 2 an amber power indicator light and an 1 8 stereo headphone output jack with a corresponding volume knob which monitors analog outputs 3 and 4 labeled Headphones in the AudioFire Console The analog inputs operate with an input impedance of 10Kohms AudioFire 2 has two analog line outputs on the rear panel The input and output connections can be used with balanced or unb...

Страница 15: ...r analog line outputs on the rear panel These analog inputs 3 4 operate with an input impedance of 10Kohms The input and output connections can be used with balanced or unbalanced cables via the connectors By default the inputs and outputs are set to receive or send a 4dBu signal You can switch between 4dBu and 10dBV for each individual input and output via the console software see section below A...

Страница 16: ... 10Kohms The input and output connections can be used with balanced or unbalanced cables via the connectors By default the inputs and outputs are set to receive or send a 4dBu signal You can switch between 4dBu and 10dBV for each individual input and output via the console software see section below There are also two channel inserts on the rear panel where you can connect a serial effects device ...

Страница 17: ... 1 2 with meters and trim knobs Inputs 1 2 also have Phase 80Hz Pad LoZ DI and phantom power buttons with corresponding LEDS In addition there are six meters and trim knobs on the front panel for universal inputs 3 8 and a corresponding phantom power button and LED There are also two stereo headphone output jacks wired in parallel which monitor analog outputs 1 and 2 with a corresponding volume kn...

Страница 18: ...al Useful for miking drums etc 80Hz Turns on an 80Hz high pass filter to reduce low frequency rumble and hum Pad Reduces the preamp gain by 20dB to accommodate large microphone or line level signals connected via XLR LoZ Reduces the microphone preamp input impedance from 3 000 ohms to 1 000 ohm Some microphones are designed to drive a lower impedance and will sound better when this switch is on 48...

Страница 19: ...will be provided to all microphone inputs On AudioFire 8 and AudioFire Pre8 to enable phantom power press the button labeled 48v on your audio interface box the LED next to it will light up and phantom power will be provided to all selected microphone inputs Note Phantom power will not be applied to any line level equipment or guitars plugged in using cables with connectors To record a guitar or l...

Страница 20: ...costs There is enough headroom so that you can be conservative in this area and there is no need to push the input levels right up to the edge of clipping Analog Inputs and Outputs AudioFire 12 AudioFire 12 s front panel has meters for the twelve analog inputs and outputs indicator lights for sample rate and clock synchronization and a power button with an amber power indicator light not shown bel...

Страница 21: ...ireWire devices so other devices will require external power to function Caution Plugging the FireWire cable in rotated 180 degrees can cause permanent damage to your AudioFire FireWire adapter or both Make sure the cable is oriented correctly with the angled edges of the plug matching the angled edges of the socket Plug the cable straight in Do not force It is recommended that FireWire connection...

Страница 22: ...e Pre8 The 2009 AudioFire 8 and AudioFire Pre8 are equipped with Optical S PDIF and ADAT There is a digital mode switch in the Echo console which lets you choose the digital format that you prefer MIDI Your AudioFire is equipped with MIDI I O connectors The MIDI ports can be used for receiving MIDI time code MTC or sending and receiving MIDI signals between your digital audio MIDI sequencing softw...

Страница 23: ...s are labeled IN and OUT on the dongle The S PDIF connectors are used to transmit digital audio data between digital audio devices via an electrical signal When connecting devices to the S PDIF jacks the use of standard analog RCA audio cables is not recommended For reliable S PDIF operation 75 ohm coaxial RG59 video cables are recommended The MIDI ports can be used for receiving MIDI time code MT...

Страница 24: ...vice equipped with a Word Clock connector The Word Clock I O uses a BNC connector As with the S PDIF I O a shielded 75 ohm RG 59 coaxial video cable should be used BNC connectors have been widely used in the electronics industry for both video and computer networking However computer networks use 50 ohm RG 58 coaxial cables and not the 75 ohm RG 59 cable used by video For reliable word clock opera...

Страница 25: ...re folder in the Echo Digital Audio group and click AudioFire Console Automatic Flash Update As the console starts up it checks the firmware that is loaded in each AudioFire If the AudioFire is running old firmware a dialog will come up requesting your confirmation to update the firmware If you click Yes the firmware will be updated to the latest version and you will need to restart your AudioFire...

Страница 26: ... Eight different output busses are shown here four analog busses and four digital busses Note The digital busses are collapsed in this view To view the digital busses click on the left facing arrow This will collapse the analog busses and expand the digital busses Metering activity is still visible on collapsed busses Each output bus has its own tab marked either Analog or Digital and a channel nu...

Страница 27: ...se channels correspond to the currently selected output bus tab Beneath the labels are two green label fields that can be changed by clicking in them and typing Below the green label fields are nominal level buttons mute buttons level meters and faders The mute buttons and faders affect everything being mixed to this bus Thus pulling the fader down will make both the input monitors and playback qu...

Страница 28: ...sically there is a different set of input monitor controls for each output bus but only one set is visible and changeable at a time In the example above the only set of input monitor controls that is visible and changeable is the one for the output bus called Analog 1 2 To see and change a different set of input monitor controls you will need to select a different output bus see the Bus Select sec...

Страница 29: ...ntrols for analog outputs 3 and 4 However you can still see the input signal on the input level meters for Analog input 1 2 At the top of each input channel below the channel number is a green label field that can be changed by clicking in it and typing Below the label is the nominal level setting for that input channel The labels nominal levels level meters and gang settings are the only things i...

Страница 30: ...n input channel will prevent it from being monitored by the currently selected output bus Again this does not affect recording These are followed by the monitor fader which controls the input monitor level Like the pan solo and mute controls this does not affect your recording level The faders also have gang buttons and their operation is the same as the gang button for the master output bus contr...

Страница 31: ...lly decreasing the number of available bits thereby taking away from the potential dynamic range of the system Therefore we suggest that whenever possible you leave the output faders Playback Output Bus set to 0dB and perform any necessary attenuation on your external mixer When the playback volume controls are set to 0dB and the input signal approaches the maximum pre clipping level you can achie...

Страница 32: ... you to connect either professional or consumer gear to each input and output Selecting the 10 level provides a digital boost after the converters For universal inputs with an analog trim knob you should leave the nominal level in the 4 default position Unless you need a boost for the digital inputs you should also leave them in the 4 nominal setting Settings Tab Clicking the Settings tab allows y...

Страница 33: ... For more information please refer to Appendix C An Introduction to Digital Recording The application or audio software you are using may change the sample rate The settings tab gives you an easy way to see exactly what sample rate your audio is set to The Locked setting only in XP allows you to lock the sample rate If you want to always run at a particular sample rate and block software from chan...

Страница 34: ...udio hardware If a given synchronization source input clock is not detected that clock source will be grayed out You will only be allowed to select input clocks that are currently connected For more information please refer to Synchronizing Multiple Devices later in this manual If an external clock is selected and that clock is disconnected the button will turn red You will either need to reconnec...

Страница 35: ...riate format for your DAT CD recorder or Mini Disc recorder if you don t know which one to use and are having difficulties simply try the one that is not currently checked Note No Echo hardware transmits the SCMS bit regardless of which format is selected Wave Devices Use this but to switch between Stereo and Surround sound mode See section on Surround sound below Buffer Size This slider sets the ...

Страница 36: ... Note that when the About Dialogue Box is open you are frozen out of the console until you close this box Copy Version Information to Clipboard The About Dialogue Box also has a button labeled Copy to clipboard Clicking this button will copy all of the version information displayed on this dialog to the system clipboard you can then paste it into an e mail if you need to communicate with our custo...

Страница 37: ...ioFire 2 and AudioFire 4 now support routing playback from the computer to different physical outputs Audio applications see the AudioFire s outputs listed as Playback 1 through Playback 6 Using the console you can then route the playback channels to either the analog outputs headphones AudioFire 2 only or digital outputs Each playback pair can be independently routed to any of the outputs You can...

Страница 38: ...oFire 2 Console Window on Vista Settings Tab selected System Tray Icon When you open the console you will see an icon added to the system tray Clicking the left mouse button on the tray icon will bring all of the console windows to the foreground ...

Страница 39: ...appropriate button To restore the device to its default state click the Reset button The Gang buttons the Phantom power button Clock source buttons the Sample rate buttons the Locked sample rate button and Buffer size do not reset The Locked sample rate button and Buffer size do not save Console Settings and Stand Alone Mode When the console is closed all the console mixer settings for your AudioF...

Страница 40: ...control panel you can set the Core Audio sample rate from the Echo PCI console Be aware that setting the Core Audio sample rate from the console will cause the current playback and recording devices to be removed and new ones created in their place this ensures that the sample rate is consistent The downside is that this will stop any applications that are currently playing or recording We therefo...

Страница 41: ...s box is checked the ASIO driver will instruct Vista Windows 7 to prioritize audio over drawing windows on the screen Surround Sound Playback Stereo versus surround sound modes When you first install it the AudioFire driver sets up the Windows wave devices in surround sound mode the driver examines your hardware and automatically creates multichannel wave input and wave output devices depending on...

Страница 42: ...log outputs for your AudioFire Click the Advanced button you will be presented with the Advanced Audio Properties dialog Select the speaker configuration that best describes your setup Windows Vista Windows 7 configuration Speaker configuration in Windows Vista Windows 7 is not necessary Application configuration If you are using Windows XP please be sure to configure your audio software to use th...

Страница 43: ...nt applications must use different audio outputs you will need to configure each individual audio application accordingly Troubleshooting tips Turn off system sounds Make sure all applications are set to the same sample rate including the preferred sample rate for all AudioFire devices in the Vista Windows 7 Sound control panel Ensure that your audio software does not have Microsoft GS Wavetable S...

Страница 44: ... displays your current sample rate and buffer size as selected in the AudioFire console or an audio application Immediately below that is the expected buffer time in milliseconds Playback The playback section shows the number of buffers sent to the hardware the maximum buffer time and the average buffer time If you are running off of internal clock the average buffer time should be close to the ex...

Страница 45: ...iver is responsible Try going into Device Manager and disabling any hardware that you don t absolutely need For example one test machine had a USB camera hooked up With the camera hooked up and running the maximum ASIO wakeup time was several milliseconds Disconnecting the camera brought the ASIO wakeup time back down to a normal range ASIO host The ASIO host statistics show you how long an audio ...

Страница 46: ...ecord time The ASIO wakeup time is too long The ASIO host time is too long To get glitch free playback the wakeup time plus the host time must be less than the average buffer time If the wakeup time is long more than a few tenths of a second it s probably another hardware device in your system hogging the computer see above If your ASIO host time is too long try running fewer tracks or fewer plugi...

Страница 47: ...k runs at the AudioFire product s selected sample rate Think of it as a kind of electronic metronome which clicks back and forth at the digital sample rate It is one of the most widely used forms of synchronization in digital audio Your AudioFire product is always generating Word Clock on its Word Clock output BNC connector Although it can generate Word Clock at any sample rate it is set to your A...

Страница 48: ...o an external device via S PDIF ADAT or Word Clock you must set the AudioFire to the correct base clock rate See the following table for the correct base clock rate setting AudioFire 12 Only External Clock Rate 30kHz 50kHz 50kHz 100kHz 100kHz 200kHz AudioFire Base Clock Rate 44 1kHz or 48kHz 88 2kHz or 96kHz 176 4kHz or 192kHz Now let s take a look at some sample configurations and how you might s...

Страница 49: ...nsoles and Channel Names When you install additional AudioFires to your system a letter will be appended to the name of each AudioFire to give it a unique name For example when you install a second AudioFire 8 it will be named AudioFire 8 a The third AudioFire 8 will be AudioFire 8 b This name will be seen on the console title bar in WDM device selection ASIO device selection and GigaStudio device...

Страница 50: ...hat can be copied and sent to our technical support staff and they will respond to you quickly Please fill in all the details completely The best way to get the help you need is by giving us plenty of detailed information about your computer system your audio software and hardware and the problem you are having We do ask you to please read through this manual and the support area of our website be...

Страница 51: ...n section of this manual for details Or you may have a ASIO application open in the background Close all audio applications and attempt to install the driver again Problem Your computer spontaneously reboots on you Solution If you are running Windows 2000 XP or Vista Windows 7 and your computer spontaneously reboots on you you probably have experienced what Microsoft calls a bug check but what eve...

Страница 52: ...e 2 AudioFire 4 or AudioFire 8 Solution Digital information is transmitted in either of two modes professional or consumer The professional mode is usually implemented in devices that are likely to be used in professional recording environments whereas the consumer mode is commonly implemented on equipment designed for home use in the consumer market The primary difference between the two modes is...

Страница 53: ...o synchronize with an external device it will play back at the rate generated by that device For example if the sound you are playing was sampled at 44 1kHz but you are synchronized with a device running at 96kHz the sound will play back at this faster rate You have four choices ignore the altered pitch switch to your AudioFire product s internal clock change the sample rate of the external device...

Страница 54: ...select the S PDIF clock as the input clock This can be done from the console Problem You re syncing to an external device and suddenly you ve lost sync Solution Whenever your AudioFire product is syncing to an external device and you change the sample rate in that device you may need to reset the input clock setting in the Echo Console software Just click on the appropriate input clock button to r...

Страница 55: ... most of them all you need to do is read the software manual to learn how to use them with your AudioFire product In general ASIO is preferred for your AudioFire product ASIO Software Here is a partial list of pro audio software that supports ASIO ACID 4 or higher Audition 2 0 or higher Cubase Kontakt Logic Audio Nuendo Reaktor Reason Rebirth SONAR 2 2 or higher Sound Forge 8 or higher Tracktion V...

Страница 56: ...the input that is read This number is called a sample The number of samples taken per second is called the sample rate On playback the process happens in reverse The series of numbers is played back through a digital to analog converter or DAC which converts the numbers back into an analog signal This signal can then be sent to an amplifier and speakers for listening In computers binary numbers ar...

Страница 57: ...oming signal can be represented by any of over 16 million possible values The output DACs are also 24 bit again over 16 million values are possible The S PDIF inputs and outputs also support signals with up to 24 bit resolution Your Echo product processes signals internally with 24 bit resolution to insure that there is no degradation to the audio signal as it is processed through the system The n...

Страница 58: ... disks are capable of storing large amounts of data though the performance of hard drives can vary substantially The speed and size of your hard drive will be a major determining factor in how many tracks of audio you will be able to simultaneously record and playback Decibels Audio signal levels are generally expressed in units called decibels which are abbreviated as dB This is a logarithmic sca...

Страница 59: ... today s equipment uses impedances other than 600 ohms it is more useful to represent signals by voltages rather than power and the dBu unit was introduced A signal level of 0dBu is identical to a level of 0dBm Digital signals after they are recorded no longer directly represent any physical quantity such as voltage or power and 0dB is generally used to represent a full scale or maximum signal lev...

Страница 60: ...both the plus and minus inputs This is called common mode noise since it is common to both signals and the input amplifier will subtract the noise on the minus input from the noise on the plus input If the input amplifier is perfectly balanced and the noise on both plus and minus is precisely equal the noise will completely cancel out In the real world this is not the case and some of the common m...

Страница 61: ...ith no signal present A system with a high dynamic range will be quieter than one with a lower dynamic range Dynamic range is a very important specification and your echo product uses converters that have very high dynamic range Theoretically a 24 bit system has a dynamic range of 144dB and a 16 bit system has a dynamic range of 96dB Two questions immediately come to mind 1 Why does my Echo produc...

Страница 62: ...mpressed or amplified after it is recorded and that some headroom is necessary when recording to avoid clipping The only way that 96dB would be adequate is if all music were recorded so that the peaks were just under full scale and no compression or amplification was going to be applied after recording Any time recorded music is amplified so is the noise at the low end Your Echo product has enough...

Страница 63: ...verter 56 dynamic range 61 E Echo Console 25 I input level meters 19 input trims 20 installation 11 12 M microphone preamp 19 MIDI 22 MIDI time code 22 23 MTC 22 23 P phantom power 19 professional mode 52 S S PDIF 21 23 35 48 52 54 S PDIF settings 35 safety instructions 3 sample rate 56 SCMS copy protection 52 stand alone mode 39 synchronization 47 53 synchronizing multiple devices 47 system requi...

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