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VOICEBOX
manual
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Table of Contents
Related Manuals for Focusrite Green Range
Summary of Contents for Focusrite Green Range
- Page 1 AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ AAAAAA QQQQQQ ...
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Page 2: Table Of Contents
c o n t e n t s VOICEBOX Voicebox (introduction) ..........4 Section (i): Setting Up Power Connections . -
Page 3: Voicebox (Introduction)
There is an IEC mains lead supplied in the package which should have the correct moulded plug for your country. The wiring colour code used in all Focusrite products is: For units shipped to the USA, Canada, Taiwan and Japan... -
Page 4: Power Supply
s e t t i n g u p Power Supply All modules will work correctly from either 50 Hz or 60 Hz power supplies, and draw approximately 35VA from the mains supply at highest load. Most modules will operate on a range of voltages, and have a two-position switch on the rear panel that should be set to the correct voltage: Set to this position if the module is to be used with 115V... -
Page 5: Microphone Preamplifier Controls
v o i c e b o x Microphone Preamplifier Ext.M +1 +2 -10 -7 V O I C E B O X N.R. – Ø 75Hz Mute Controls The gain control provides continously-variable gain from +10 dB to +60 dB. +48 is the phantom power button. -
Page 6: Setting The Gain
f u n c t i o n s 7 5 H z F I L T E R o/p level 0 dB -3 dB ƒ -15 dB 37Hz 75Hz Setting the Gain Use the meter and gain control to match the incoming level and gain to the internal operating level. -
Page 7: Nr (Noise Reducing Expander)
v o i c e b o x If you think two signals are out of phase, listen for phase as follows: 1. On your monitor system, pan one signal to the left and the other to the right. 2. Set the monitoring to mono. 3. -
Page 8: Dynamic Range
f u n c t i o n s Dynamic Range The dynamic range of a signal is the difference in volume between the quietest and loudest parts: for music, the dynamic range can be as wide as 120 dB. Signals with wide dynamic range demand greater attention from the listener, and require listening conditions with low background noise. -
Page 9: Controls
v o i c e b o x The Controls Comp Compressor Comp To Meter Threshold Make up Auto Ratio The Comp button switches the compressor in or out. The Comp to Meter button modifies what the meter displays, and how it displays it When the switch is out, the meter acts as a VU meter displaying the level of the input signal. -
Page 10: Threshold
f u n c t i o n s Threshold The threshold determines when the compressor starts to compress the signal. By setting a threshold, you do not compress all of the input signal - instead, you compress the signal only when it is louder than the threshold, as shown in the following diagram: Threshold Range Setting the Threshold... -
Page 11: Auto Rel
v o i c e b o x Auto Rel Auto Rel modifies how quickly the compressor releases after compression (that is, how quickly it stops compressing when the signal returns below the threshold). The release on the Voicebox has been optimised for vocal use, which under certain circumstances may not sound natural. -
Page 12: When To Use Compression
f u n c t i o n s Auto Rel off Make-up gain at minimum NR off (-40) Switch the meter to show gain change, so that you can monitor the effect of compression 2. Reduce the threshold, and monitor the effect this has on the sound: Listen to the reduction in the dynamic range Watch the meter to see the amount of gain reduction As you reduce the threshold, increase the make-up gain to restore the level of the... -
Page 13: De-Esser
v o i c e b o x De-esser The de-esser lets you remove excessive sibilance from a vocal performance, by selecting the frequency range that contains the sibilants and heavily compressing that frequency range. Controls The De-ess button switches the de- De-ess esser in or out. -
Page 14: Low And High Eq
f u n c t i o n s Low and High Eq The Low and High Eq affect all frequencies below or above a given frequency, letting you attenuate reduce the volume of, or add gain to the signal. Thus, the Low Eq lifts or cuts the low-frequency end of the frequency spectrum, and the High Eq lifts or cuts the high-frequency end - using them together you can, for example, boost the low end and cut the high end of the frequency spectrum, so appearing to tilt the... -
Page 15: Using The Low And High Eq
v o i c e b o x Using the Low and High Eq Low and High Eq are often used to correct problems with a signal: To compensate for a lack of something in the original recording (for example, if you had to roll off a lot of bass during recording because you were getting a lot of bass lift) To replace something you lost in the recording format (particularly top end) -
Page 16: Using The Mid Eq
f u n c t i o n s Off position: Set the gain control in the middle position, so that it is neither boosting nor cutting frequencies. Frequency gain ƒ Notched attenuation Using the Mid Eq Use the Mid Eq to colour the sound and create a presence. For example, you can take the sound of a vocal and improve its clarity in the mix. -
Page 17: How To Use Equalisation
v o i c e b o x How to Use Equalisation 1. Ensure that the microphone placement is correct. Listen to the sound from the microphones with no equalisation applied, and modify the microphone placement until you get the sound you want 2. -
Page 18: Stereo Linking
t r o u b l e s h o o t i n g How to use the Voicebox 1. Set the input signal using the meter and mic pre level control. 2. Compress the signal to the required dynamic range for the recording format. 3. -
Page 19: Changing A Fuse
v o i c e b o x Changing a Fuse We strongly recommend that you do NOT attempt to change fuses unless you are absolutely certain that you know exactly what you are doing. If you are in any doubt whatsoever, contact your dealer or the factory before you open the module. -
Page 20: Worldwide Distributors
w o r l d w i d e d i s t r i b u t o r s Territory Company Contact Address Phone Austria ATEC GmbH Erich Hofbauer A-2325 Mimberg/Velm, Im Winkel 5 00 43 2234 74004 00 43 2234 74074 Australia AR Audio Engineering... - Page 21 Sec.3 Ming Sheng E. Rd, Taipei, Taiwan R.O.C Thailand Mr. Sira Hanbuntrong 665 Machachai Road Bangkok 10200 00 662 222 8613/4 00 662 225 3173 Focusrite Audio Nathan Eames 19 Lincoln Road, Cressex Business Park, +44 (0)1494 462246 +44 (0)1494 459920 Engineering Ltd High Wycombe Bucks HP12 3RD.
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