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AUDIO

FIRE



8

AUDIO

FIRE



12

Owner’s Manual Version 1.1 for Macintosh

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Содержание AUDIOFIRE 8

Страница 1: ...AUDIOFIRE 8 AUDIOFIRE 12 Owner s Manual Version 1 1 for Macintosh...

Страница 2: ...on your Echo product 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...

Страница 3: ...ician 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...

Страница 4: ...he 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 throug...

Страница 5: ...nteria CA 93013 Echo and AudioFire are trademarks of Echo Digital Audio Corporation Tracktion is a trademark of LOUD Technologies Inc Apple FireWire iTunes iMovie iDVD Mac Macintosh Mac OS Power Mac P...

Страница 6: ...CONSOLE 23 CONSOLE WINDOW 23 BUS SELECT TABS 24 MASTER OUTPUT BUS CONTROL 25 ANALOG INPUTS 25 DIGITAL INPUTS AUDIOFIRE8 ONLY 27 PLAYBACK CONTROLS 28 ADJUSTING PLAYBACK VOLUME 28 CONSOLE SETTINGS 29 I...

Страница 7: ...INDEX 53...

Страница 8: ...eived in the Box When you opened the box you should have found the following An audio interface box Four mounting screws with collars Two removable rack mount brackets AudioFire8 only A FireWire cable...

Страница 9: ...er desktop or notebook with Mac OS X 10 3 9 or later An unused FireWire port A G4 or better processor G5 recommended A minimum 256Mb of RAM 512Mb highly recommended A fast high capacity IDE SCSI or Fi...

Страница 10: ...the bottom labeled Allow user to administer this computer is checked If your account does not have administrative access then you will need to log out and log in with an account that does Check OS X V...

Страница 11: ...e power cable firmly into the interface and a power socket and then turn on the interface by pressing the power button 4 Plug one end of the FireWire cable into the FireWire connector on the rear of t...

Страница 12: ...bs a phantom power switch and light 48v and a power button with an amber power indicator light not shown below There is also a stereo headphone output jack with a corresponding volume knob which monit...

Страница 13: ...mp is 1 5Kohms Full scale input is 9dBu with the trim set to minimum gain AudioFire8 provides 48 volts of phantom power for microphones that require it To enable phantom power press the button labeled...

Страница 14: ...be avoided at all 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...

Страница 15: ...other FireWire devices These connectors do not pass power from the computer to other FireWire devices so other devices will require external power to function A FireWire cable was supplied with your...

Страница 16: ...orts are the Word Clock connectors These connectors allow you to synchronize your Echo product to any other device equipped with a Word Clock connector The Word Clock I O uses a BNC connector As with...

Страница 17: ...Open System Preferences from the Dock or Apple menu select Show All and select the Sound panel Under the Output tab you should see your AudioFire product listed as a sound output device If you want t...

Страница 18: ...on Go to your Applications folder on your hard disk and from there to the Utilities folder Open Audio MIDI Setup In addition to listing all the audio devices in the system Audio MIDI Setup lets you ex...

Страница 19: ...the available CoreMIDI devices You should see your AudioFire8 or AudioFire12 hardware shown as an icon here Next you ll want to install Tracktion and learn about the AudioFire Console software Both ar...

Страница 20: ...ide and help files that you can open from the Help button inside Tracktion So you ll be able to get up and running with a minimum of hassles hopefully none at all You can also access the Tracktion Qui...

Страница 21: ...acktion uses pop up help to tell you about the interface Note that whenever you click on something you will see any available details controls or settings for it in the information windows at the bott...

Страница 22: ...on the Projects tab at the top of the screen and select one of the sample projects that come with Tracktion You will see a listing of all the files for that project in the large area to the right Doub...

Страница 23: ...are similar You can open the AudioFire console by going to the Applications folder or wherever you chose to put it during installation and double clicking on the icon Alternately you can drag the icon...

Страница 24: ...AL and a channel number pair When you select a tab its title will turn white and the other tab titles will be gray In this case ANALOG OUT 1 2 is the currently selected output bus Clicking on an outpu...

Страница 25: ...ing sent out of the selected outputs The gang button marked with a G sets the gang mode If you are in gang mode the mute buttons will work together for the left and right channels for example clicking...

Страница 26: ...ill need to select a different output bus see the Bus Select section above The level meters do not change when a different output bus is selected They always reflect the signal level being received on...

Страница 27: ...o the center position Below each pan knob is a non selectable green field that tells you the current setting of the pan knob Note that adjusting the pan knob will not affect your recording as the inpu...

Страница 28: ...rs Adjusting Playback Volume Output volume adjustments are made in the digital domain When you lower a volume fader below 0dB you are actually decreasing the number of available bits thereby taking aw...

Страница 29: ...igital and About Inputs Nominal Levels The Input tab allows you to change the nominal level settings for the analog inputs By default the inputs are set to receive a 4dBu signal You can switch between...

Страница 30: ...analog outputs By default the outputs are set to send a 4dBu signal You can switch between 4dBu professional level and 10dBV consumer level for each analog output by selecting the appropriate radio bu...

Страница 31: ...uction to Digital Recording The input clock setting is used to synchronize your AudioFire hardware to another piece of audio hardware If a given synchronization source input clock is detected the indi...

Страница 32: ...e between the two is in the implementation of the SCMS copy protection bit which in the Consumer format prevents the user from making digital copies of a digital copy The S PDIF output defaults to the...

Страница 33: ...e 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 About The About tab displays the cons...

Страница 34: ...are saved to your user directory Sessions are not cross compatible between different types of hardware that is an AudioFire8 session cannot be used with an AudioFire12 session All console settings ar...

Страница 35: ...synchronization types Word Clock The Word Clock connectors can be found on the back panel When your AudioFire product is set to Internal this synchronization clock runs at the AudioFire product s sele...

Страница 36: ...ization standpoint Let s start with a simple example Suppose that AudioFire8 is the only audio device used in your studio Since you have no other devices to synchronize with simply select Internal for...

Страница 37: ...are 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 before contacting us Also you may find an answer to your problem in...

Страница 38: ...ing Software Update you ll find it in the System Preferences You need version 10 3 9 or later Problem You can t use more than one Echo product at a time with your audio software Solution This is a lim...

Страница 39: ...is always enabled Unfortunately there is no way for the transmitting device to automatically detect which format the receiving device is able to accept If you have a DAT deck that is not able to read...

Страница 40: ...irst thing to check is that there is a physical connection between the device generating the clock and your AudioFire product Just because multiple devices are connected to the same computer doesn t m...

Страница 41: ...rk Solution You may have a bad audio cable Try using a different cable in the problem channel Problem There is no sound unless I pull the audio plug out a little Solution Not all plugs are made to the...

Страница 42: ...e 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 co...

Страница 43: ...llion 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 proces...

Страница 44: ...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 rec...

Страница 45: ...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 level All other signal levels...

Страница 46: ...n the real world this is not the case and some of the common mode noise will still make it through although at a much reduced level How well an input amplifier rejects this common mode noise is called...

Страница 47: ...s 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 product only have a dynamic range of 110 to 114dB 2 For mastering 1...

Страница 48: ...te 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...

Страница 49: ...5Kohms Gain Adjustment 10 to 59dB Maximum Input Level at Minimum Gain 9dBu Guitar Line Input Level balanced TRS Dynamic Range 110dB A weighted THD n 0 001 A weighted Input Impedance 102Kohms Gain Adj...

Страница 50: ...oversampling analog to digital converters Eight balanced analog outputs with high performance 24 bit 128x oversampling digital to analog converters S PDIF digital I O with up to 24 bit resolution Trim...

Страница 51: ...3dB A weighted THD n 0 002 A weighted Nominal Input Level 4dBu or 10dBV Input Impedance 10Kohms Maximum Input Level 17 5dBu Analog Outputs x12 balanced TRS Frequency Response 10Hz to 20kHz 0 1dB Dynam...

Страница 52: ...h high performance 24 bit 128x oversampling digital to analog converters Level meters on front panel for analog inputs and outputs and sync On board 32 bit 1 6 gigaflop DSP 24 bit data resolution main...

Страница 53: ...er 42 dynamic range 47 I input level meters 13 input trims 14 installation 11 M microphone preamp 13 MIDI 16 MIDI time code 16 MTC 16 N nominal levels 29 30 P phantom power 13 professional mode 39 R r...

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