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Chapter 12: Purple Audio

45

chapter 12

Purple Audio

(TDM, RTAS, and AudioSuite)

The Purple Audio MC77 is a spot-on digital rep-
lica of Andrew Roberts’s acclaimed MC77 Limit-
ing amplifier, which in turn is an update of his 
classic MC76 hardware unit. Representing a dif-
ferent take on the 1176-style FET limiter, the 
Bomb Factory Purple Audio MC77 preserves ev-
ery audio nuance and sonic subtlety of the clas-
sic originals.

How the Bomb Factory Purple 
Audio MC77 Works

The Bomb Factory Purple Audio MC77 has con-
trols identical in name to those of the Bomb Fac-
tory BF76, and which function similarly. For 
more information, see Chapter 4, “Bomb Fac-
tory BF76.”

The Bomb Factory MC77

Summary of Contents for Bomb Factory

Page 1: ...Bomb Factory Plug ins Version 8 0 ...

Page 2: ... Labs Vari Fi Velvet X Form and XMON are trademarks or registered trademarks of Digidesign and or Avid Technology Inc Xpand is Registered in the U S Patent and Trademark Office bombfactory Bomb Factory BF76 BF2A BF3A Digital Done Right Classic Compressors BF Essentials Fairchild Cosmonaut Voice Plutonium Pack Slightly Rude Compressor and Tel Ray are trademarks of Digidesign a division of Avid Tech...

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Page 4: ...ns with VENUE 3 Conventions Used in This Guide 3 About www digidesign com 4 Chapter 2 Installation 5 Installing Plug ins for Pro Tools 5 Installing Plug ins for VENUE Systems 6 Authorizing Plug ins 6 Uninstalling Plug ins for Pro Tools 8 Uninstalling Plug ins for VENUE Systems 8 Chapter 3 BF Essentials Plug ins 9 BF Essential Clip Remover 9 BF Essential Correlation Meter 10 BF Essential Meter Brid...

Page 5: ... 25 Chapter 9 JOEMEEK Plug ins 27 JOEMEEK VC5 Meequalizer 27 JOEMEEK SC2 Compressor 28 Chapter 10 Moogerfooger Plug ins 31 Moogerfooger Analog Delay 31 Moogerfooger Ring Modulator 33 Moogerfooger 12 Stage Phaser 35 Moogerfooger Low Pass Filter 37 Chapter 11 Pultec Plug ins 41 Pultec EQP 1A 41 Pultec EQH 2 42 Pultec MEQ 5 43 Chapter 12 Purple Audio 45 Chapter 13 SansAmp PSA 1 47 PSA 1 Controls 48 T...

Page 6: ...elay 51 Chapter 16 Voce Plug ins 53 Voce Chorus Vibrato 53 Voce Spin 54 Appendix A DSP Requirements for TDM Plug ins 59 HD Accel Card 60 HD Core and Process Card 66 Appendix B DSP Delays Incurred by TDM Plug ins 69 Appendix C All About Compressors 71 What Is Compression 71 Index 75 ...

Page 7: ... Meter Bomb Factory BF76 Bomb Factory SansAmp Paid Bomb Factory Plug ins The following plug ins are also available Bomb Factory BF 3A Bomb Factory BF 2A Cosmonaut Voice Fairchild 660 and 670 JOEMEEK SC2 Compressor JOEMEEK VC5 Meequalizer Moogerfooger Analog Delay Moogerfooger Ring Modulator Moogerfooger 12 Stage Phaser Moogerfooger Lowpass Filter Pultec EQP 1A Pultec EQH 2 Pultec MEQ 5 Purple Audi...

Page 8: ...equirements and Compatibility To use Bomb Factory plug ins you need the fol lowing An iLok USB Smart Key An iLok com account for managing iLok li censes One of the following A Digidesign qualified Pro Tools system A Digidesign qualified Pro Tools system and a third party software application that supports the Digidesign TDM RTAS or AudioSuite plug in standard A qualified Avid Xpress Avid Xpress DV...

Page 9: ...menu choices and key com mands The names of Commands Options and Settings that appear on screen are in a different font The following symbols are used to highlight im portant information Convention Action File Save Choose Save from the File menu Control N Hold down the Control key and press the N key Control click Hold down the Control key and click the mouse button Right click Click with the righ...

Page 10: ...rements search the online An swerbase or join the worldwide Pro Tools com munity on the Digidesign User Conference Training and Education Study on your own using courses available online or find out how you can learn in a classroom setting at a certified Pro Tools training center Products and Developers Learn about Digidesign products download demo software or learn about our Development Partners ...

Page 11: ...er Plug ins Because the Bomb Factory Plug in installers con tain the latest versions of Bomb Factory plug ins use them to update any plug ins you already own Installation To install a plug in 1 Do one of the following Download the installer for your computer platform from the Digidesign website www digidesign com After downloading make sure the installer is uncompressed ZIP on Windows or SIT on Ma...

Page 12: ...rsions of Plug ins for Pro Tools If you purchased a download version of a plug in from the DigiStore www digidesign com authorize the plug in by downloading licenses from iLok com to an iLok Authorizing Boxed Versions of Plug ins for Pro Tools If you purchased a boxed version of a plug in it comes with an Activation Code on the included Activation Card You will need this code to au thorize your pl...

Page 13: ...em re creates the list of available plug ins Whenever the racks initialize the system checks authorizations for all installed plug ins If no previous authorization for a plug in is rec ognized you will be prompted to authorize the the plug in VENUE supports challenge response and iLok USB Smart Key authorization including pre au thorized iLoks and Activation Cards Challenge Response Challenge resp...

Page 14: ...e on screen instructions to remove the plug in Mac OS X To remove a plug in 1 Locate and open the Plug ins folder on your Startup drive Library Application Support Digidesign Plug ins 2 Do one of the following Drag the plug in to the Trash and empty the Trash or Drag the plug in to the Plug ins Unused folder Uninstalling Plug ins for VENUE Systems Plug ins installed on VENUE systems can be dis abl...

Page 15: ...ial Meter Bridge on page 10 Noise Meter see BF Essential Noise Meter on page 11 BF Essential Clip Remover AudioSuite The BF Essential Clip Remover repairs clipped audio recordings That red light no longer means a blown take You ll be amazed how quickly this essential tool can repair clipped re cordings Best of all it s much quicker and more accurate than using the Pencil tool Set your lev els very...

Page 16: ...y start BF Essential Meter Bridge RTAS The BF Essential Meter Bridge provides best of breed VU metering on any channel while using minimal DSP resources Enjoy the ease of use af forded by a needle a big meter and a faithful emulation of the decades old standard for meter ballistics Select RMS or Peak metering and cali brate instantly for useful viewing at any signal level just like a pro tape mach...

Page 17: ...of sound pressure level as op posed to actual sound pressure Set to R D it s a Robinson Dadson equal loudness meter An equal loudness con tour is a measure of sound pressure over the frequency spectrum for which a lis tener perceives a constant loudness Set to None it s a VU meter with 100 DB of visual range Volume Unit metering av erages out peaks and troughs of short dura tion to reflect the ove...

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Page 19: ...essors Four selectable compression ratios are provided along with controls allowing variable attack and release times Various explanations overheard in the control room include its 100 1 compression ratio or equally adept quantitative analysis like it makes it super squishy sounding Now you can enjoy this sound previously only available to super serious pro engineers working in expen sive pro reco...

Page 20: ...nate mix that can provide fresh ideas It s also a handy way to make quick headphone sub mixes when tracking overdubs Give the Kids What They Want Shift click one of the Ratio Push switches to en able the All Buttons In mode The compres sion ratio is still only 20 1 but the knee changes drastically and the compressor starts mis be having a little bit like an expander watch the meter for details Hey...

Page 21: ...r amplifier þ This gives the LA 3A a solid midrange and more aggressive tone þ Other subtle modifications change the behavior of the T4B causing it to respond differently particularly in response to percussive material How BF 3A is Used The LA 3A is famous for its unique sonic imprint on guitar piano vocals and drums þ Because it s so easy to control you ll be getting classic tones in no time with...

Page 22: ...lied to the signal in dB In Out Output mode the needle indicates the output level of the signal The meter is cali brated with 0 VU indicating 18 dBFS Tips and Tricks AudioSuite Processing When using the AudioSuite version of the BF 3A be sure to select an auxillary side chain input normally the track you are processing The default is None and if you leave it set like this there is nothing feeding ...

Page 23: ...d tube sockets in the original version In the BF 2A plug in the switch has been placed on the front panel where you can make better use of it The heart of the LA 2A is its patented T4B Elec troOptical Attenuator which provides the com pression action The T4B consists of a photo conductive cell which changes resistance when light strikes it It is attached to an electro lumi nescent panel which prod...

Page 24: ... screen through Pro Tools automation controls In addition the side chain filter can be adjusted directly from any supported control surface This side chain filter reproduces the effect of an adjustable resistor on the back panel of the LA 2A This control cuts the low frequencies from the side chain or control signal that de termines the amount of gain reduction applied by the compressor By increas...

Page 25: ...sing The default is None and if you leave it set like this there is nothing feeding the detector and you will not hear any compression action Line Amp Turn the Peak Reduction knob full counter clockwise off and use the Gain control to in crease the signal level Although the BF 2A does not compress the sound with these settings it still adds its unique character to the tone Feed the BF 2A into the ...

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Page 27: ...lch Threshold Sets the point at which the selected voice beep or squelch is triggered Turning Threshold clockwise raises the threshold and in creases sensitivity resulting in more triggering turning Threshold counter clockwise decreases sensitivity Noise Raises or lowers the amount of RFI static noise mixed in with the signal independent of the Beep Squelch or Threshold controls Turn ing Noise to ...

Page 28: ... Level from the Cosmonaut Voice sub menu or Reveal an Automation lane for the track click the Automation Type selector and se lect B S Level from the Cosmonaut Voice sub menu 5 Edit the breakpoint automation for the en abled control Accessing Controls from a Control Surface When using a control surface all plug in param eters are available whenever the plug in is fo cused You only need to enable p...

Page 29: ...in the early 1950s the Fairchild 660 is a variable mu tube limiter Variable mu designs use an unusual form of vacuum tube that is ca pable of changing its gain dynamically The result In addition to featuring a tube audio stage like the LA 2A the Fairchild actually achieves gain reduction through the use of tubes The heart of the Fairchild limiter a 6386 tri ode is one such variable mu tube In fact...

Page 30: ...ild manual documents Time Con stant settings 5 and 6 as user presets although you have to go inside with a soldering iron to change them We used the factory default val ues Bonus Settings Settings 7 and 8 do not exist on real world units well at least most of them These set tings are taken from a real world Fairchild mod ification invented by Dave Amels many years before he designed the plug in ve...

Page 31: ... an LA 2A Adjust the Input Gain and Threshold controls together on both channels until you get the sound you want Like many classic compressors after a little bit of tweaking you ll know imme diately when you get it right Time Constant Selects the attack and release times One is fastest and six is slowest Seven and eight are Bomb Factory custom presets See Fairchild 670 on page 25 for details on t...

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Page 33: ...ping hit Among countless other achievements Joe Meek built custom gear to get the sounds in his head onto tape One device was a treble and bass cir cuit with a sweepable mid control built into a tiny tobacco tin The Meequalizer VC5 recreates the exact circuitry used by Joe Meek How the Meequalizer is Used Operation of the Meequalizer is dead simple and that s the whole point The Bass control adjus...

Page 34: ...he Compression control affects the gain to the side chain of the compressor Use it along with Slope to adjust the amount of compression Output Gain provides makeup gain after com pression Slope is similar to the compression ratio con trols found on other compressors However on the JOEMEEK the actual ratio varies based on program material so the term Slope is used in stead In practice 1 is very gen...

Page 35: ...rial This means that the compression elec tronics are driven hard before the light cells re spond to the increased level The cells catch up and overcompress momentarily giving a tiny dip immediately following the start of the note To hear it use a drum track set Slope to 5 and Attack and Release to Fast Used sparingly this effect can contribute to musical drive in your tracks Attack Release Times ...

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Page 37: ...lay on page 31 Moogerfooger Ring Modulator see Moogerfooger Ring Modulator on page 33 Moogerfooger 12 Stage Phaser see Moogerfooger 12 Stage Phaser on page 35 Moogerfooger Low Pass Filter see Moogerfooger Low Pass Filter on page 37 Moogerfooger Analog Delay TDM RTAS and AudioSuite The Moogerfooger Analog Delay is simply the coolest and warmest sounding delay in the digital domain Moogerfooger Anal...

Page 38: ...y units An other difference is that the echoes of a digital de lay are static because they are the same digital sound repeated over and over whereas a bucket brigade device itself imparts a warm organically evolving timbre to the echoes Of course Bomb Factory s digital replica re cre ates all the warm natural sounds of its analog counterpart Not Better Different Working directly with Bob Moog Bomb...

Page 39: ...By carefully adjusting the Feedback Drive and Highpass controls you can use the Mooger fooger Analog Delay as a sound generator Sim ply pulse the delay unit with a short piece of au dio even a second will do and adjust the Delay Time knob Set correctly the unit will generate cool timbres for hours all by itself Moogerfooger Ring Modulator TDM RTAS and AudioSuite The Moogerfooger Ring Modulator pro...

Page 40: ...re or sine waveform The square wave produces trill effects whereas the sine waveform produces vi brato and siren effects Modulator Section The Carrier Oscillator is controlled by the Fre quency knob and the Low High switch In the Low position the Frequency knob ranges from 0 5 Hz to 80 Hz In the High position the Frequency knob ranges from 30 Hz to 4 kHz Operating at the selected frequency the car...

Page 41: ...ers Unlike the Lowpass Filter however the filters are ar ranged in an allpass configuration A phaser works by sweeping the mid shift fre quency of the filters back and forth As this hap pens the entire frequency response of the out put moves back and forth as well The result is the classic phaser whooshing sound as differ ent frequency bands of the signal are alternately emphasized and then attenu...

Page 42: ...red fifty cycles per second With such a wide range of rates available obviously you ll need to adjust Rate after you flick the Lo Hi switch to get the sound you desire Phaser Section Control the Phaser with the Sweep and Reso nance knobs and the 6 Stage 12 Stage switch Resonance adjusts the feedback of the analog fil ters As you add more resonance the peaks caused by the filters get sharper and mo...

Page 43: ...are fully independent of one another This means you can set them in any combina tion that you wish There is no such thing as a wrong combination of settings so you can ex periment all you like to find new exciting ef fects for your music Moogerfooger Low Pass Filter TDM RTAS and AudioSuite The Moogerfooger Lowpass Filter features a 2 pole 4 pole variable resonance filter with enve lope follower Us...

Page 44: ...ass Filter Since the envelope follows the dynamics of the input it plays the filter by sweeping it up and down in response to the loudness of the input signal How the Moogerfooger Lowpass Filter is Used Envelope Section The Amount knob determines how much the envelope varies the filter When the knob is counterclockwise the envelope signal has no ef fect on the filter When the knob is fully clock w...

Page 45: ...ixing The remaining controls set the input level and effect mix The Drive control sets the input gain Use it to adjust the input to the filter and envelope fol lower for desired impact The Mix control blends the original input signal with the filtered signal Use it to get any mixture of filtered and unfiltered sound LED Indicators Three LEDs down the center of the unit provide visual feedback Leve...

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Page 47: ...and highs and offers a variable bandwidth peak boost control A custom and secret filter network provides all its equalization functional ity Quality transformers interface it to real world studio equipment And a clean and well designed tube amplifier provides a fixed amount of make up gain How Pultec EQP 1A is Used Low Frequency Section Adjust low frequencies using the Boost and At ten knobs and t...

Page 48: ...t get in dependent control of phase Q and Boost In the high frequency boost section the Band width and Boost controls affect one another This is different from modern equalizers where adjusting Q typically doesn t affect the amount of equalization applied Use caution because the Sharp bandwidth set ting results in up to 10 dB higher output than Broad bandwidth at maximum Boost just like on the ori...

Page 49: ... MEQ 5 offers three equalization sec tions low frequency boost mid frequency boost and wide range attenuation Like all Pultecs it features quality transformers and a tube gain stage How Pultec MEQ 5 is Used Low Frequency Peak Boost low frequencies 200 300 500 700 1000 Hz using the upper left controls Mid Frequency Peak Boost mid frequencies 1 5k 2k 3k 4k 5k us ing the controls at the upper right W...

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Page 51: ...dware unit Representing a dif ferent take on the 1176 style FET limiter the Bomb Factory Purple Audio MC77 preserves ev ery audio nuance and sonic subtlety of the clas sic originals How the Bomb Factory Purple Audio MC77 Works The Bomb Factory Purple Audio MC77 has con trols identical in name to those of the Bomb Fac tory BF76 and which function similarly For more information see Chapter 4 Bomb Fa...

Page 52: ...Bomb Factory Plug ins Guide 46 ...

Page 53: ...or tube amplifier emulation SansAmp s FET hybrid circuitry captures the low order harmonics and sweet overdrive unique to tube amplifiers And pushed harder SansAmp also generates cool lo fi and grainy sound textures that still retain warmth SansAmp also features a proprietary speaker sim ulator which emulates the smooth even re sponse of a multiple miked speaker cabinet free of the harsh peaks val...

Page 54: ...on guitars pick attack For cleaner sounds or smoother high end decrease as needed Drive Increases the amount of power amp distor tion Power amp distortion is associated with the Vintage Marshall sound using SansAmp you can produce the effect even at low levels Low Provides a tone control specially tuned for maximum musicality when used to EQ low fre quencies on instruments Boost or cut by 12 dB by...

Page 55: ...d on any specific piece of vintage hardware It is a completely custom design that features all of Bomb Factory s knowledge and expertise in the realm of digital compression Slightly Rude Compressor Controls Input Amount Sets the input level to the unit and the compression threshold just like the Input control on an 1176 Full clockwise is loudest Make Up Gain Adds gain after compression It works ju...

Page 56: ...s in a distinctive pro cessed sound on percussive material especially on piano and drums Try chaining the Slightly Rude Compressor ei ther before or after other compressors Using the Bomb Factory Fairchild 660 or 670 or Bomb Factory BF76 before or after the Slightly Rude Compressor will give you an amazing variety of compression options especially if you experi ment with the Super Rude mode Also b...

Page 57: ... with electronics and technology When they came up with something great they would Tell Ray the boss One invention involved a tuna can a motor and a few tablespoons of cancer causing oil The creation an Electronic Memory Unit A technol ogy they were sure that would be of great inter est to companies like IBM and NASA Though it never made it to the moon most ev ery major guitar amp manufacturer lic...

Page 58: ... variation you use the more warbled and wobbly the sound becomes Sustain determines how long the delay takes to die out It is actually a feedback control similar to the one found on the Moogerfooger Analog Delay Echo Doubler determines whether or not a sec ond record head is engaged resulting in a dou ble echo Tips and Tricks Variation Do They Ever Each and every Tel Ray we tested and Bomb Factory...

Page 59: ...t spins the tonewheels you ll find a mechanical contraption that delays the sound of the organ Originally added to make the B 3 sound more like a pipe organ it imparts fre quency variation to the sound Although well received by churches the signa ture B 3 Chorus Vibrato graced jazz and rock re cordings ever since Now you can use this beau tiful effect on any instrument How Voce Chorus Vibrato is U...

Page 60: ...ite Voce Spin provides the most accurate simula tion of the well loved rotating speaker 15 classic recording setups feature horn resonance speaker crossover varying microphone place ment even the Memphis sound with the lower drum s slow motor unplugged How Voce Spin Works Don Leslie invented the rotating speaker in 1937 His design is simple and elegant an inter nal 40 watt tube amplifier feeds a s...

Page 61: ...ywhere to toggle between Chorale and Tremolo speeds Spin Presets 122 Model 122 speaker medium pulleys 122 Small Pulley Small pulleys fastest rota tion 122 Large Pulley Large pulleys slowest rota tion 122 Wide Stereo Middle pulleys wide stereo microphone placement 122 Mono Middle pulleys one mic each top and bottom 21H Model 21H speaker Foam Drum Middle pulleys microphones close Memphis Lower drum ...

Page 62: ...ional controls through Pro Tools plug in automation and or from a compatible control surface Accessing Controls On Screen All Voce Spin parameters can be adjusted on screen by editing Pro Tools breakpoint automa tion data To access additional Voce Spin parameters on screen 1 Click the Plug in Automation button in the Plug in window to open the Plug in Automation window 2 In the list of controls at...

Page 63: ...ou from getting the sound you want To achieve the sound of a distant microphone capturing the rotating speaker run Spin using the wide stereo preset Now apply a room reverb remove any pre delay and adjust the wet dry re verb balance until you get the distant sound you re looking for Spin into Moogerfooger Lowpass Filter Try using the amplitude modulation effects of Spin as an LFO driving the Mooge...

Page 64: ...ngs before anyone got maimed Feel free just to run the vo cal through the rotating speaker that s what they wound up doing Reverse Spin Those reverse vocal and reverse guitar tricks are even more fun when you run em through Spin Try reversing the vocal and putting it through Spin as well as putting the vocal through Spin then reversing the processed vocal Generator Leakage Of all the sounds to pas...

Page 65: ...or DSP intensive plug ins and for high sample rate sessions Not all plug ins are supported on all types of chips The following tables indicate the number of compatible chips per card Using Multi Mono Plug ins on Greater Than Stereo Tracks Plug ins used in multi mono format on greater than stereo tracks require one mono instance per channel of the multi channel audio format For example a multi mono...

Page 66: ...ips without SRAM Instances on Chips with SRAM Instances on Chips without SRAM BF Essential Clip Remover n a n a n a n a n a BF Essential Correlation Meter n a n a n a n a n a BF Essential Meter Bridge n a n a n a n a n a BF Essential Noise Meter n a n a n a n a n a Bomb Factory BF 76 9 9 8 8 9 Bomb Factory BF 3A 9 9 7 7 9 Bomb Factory BF 2A 9 9 7 7 9 Cosmonaut Voice n a n a n a n a n a Fairchild 6...

Page 67: ... 9 Tel Ray Variable Delay 6 6 3 3 9 Voce Chorus Vibrato 33 33 16 16 9 Voce Spin 6 6 6 6 9 Table 1 Maximum instances of real time TDM plug ins per DSP chip for an HD Accel card at 44 1 or 48 kHz sample rates mono and stereo Sample Rate 44 1 48 kHz Mono 44 1 48 kHz Stereo Compatible DSP Chips per HD Accel Card Plug in Instances on Chips with SRAM Instances on Chips without SRAM Instances on Chips wi...

Page 68: ...RAM BF Essential Clip Remover n a n a n a n a n a BF Essential Correlation Meter n a n a n a n a n a BF Essential Meter Bridge n a n a n a n a n a BF Essential Noise Meter n a n a n a n a n a Bomb Factory BF 76 4 4 4 4 9 Bomb Factory BF 3A 4 4 4 4 9 Bomb Factory BF 2A 4 4 4 4 9 Cosmonaut Voice n a n a n a n a n a Fairchild 660 4 4 2 2 9 Fairchild 670 n a n a 2 2 9 JOEMEEK VC5 Meequalizer 5 5 2 2 9...

Page 69: ... n a 4 Voce Chorus Vibrato 16 16 8 8 9 Voce Spin 3 3 3 3 9 Table 2 Maximum instances of real time TDM plug ins per DSP chip for an HD Accel card at 88 2 or 96 kHz sample rates mono and stereo Sample Rate 88 2 96 kHz Mono 88 2 96 kHz Stereo Compatible DSP Chips per HD Accel Card Plug in Instances on Chips with SRAM Instances on Chips without SRAM Instances on Chips with SRAM Instances on Chips with...

Page 70: ... Essential Clip Remover n a n a n a n a n a BF Essential Correlation Meter n a n a n a n a n a BF Essential Meter Bridge n a n a n a n a n a BF Essential Noise Meter n a n a n a n a n a Bomb Factory BF 76 n a n a n a n a n a Bomb Factory BF 3A 2 2 2 2 6 Bomb Factory BF 2A 2 2 2 2 9 Cosmonaut Voice n a n a n a n a n a Fairchild 660 1 2 1 1 9 Fairchild 670 n a n a 1 1 9 JOEMEEK VC5 Meequalizer 2 2 1...

Page 71: ... 0 5 n a 4 Voce Chorus Vibrato 7 7 3 3 9 Voce Spin 1 1 0 5 0 5 6 Table 3 Maximum instances of real time TDM plug ins per DSP chip for an HD Accel card at 176 4 or 192 kHz sample rates mono and stereo Sample Rate 176 4 96 kHz Mono 176 4 96 kHz Stereo Compatible DSP Chips per HD Accel Card Plug in Instances on Chips with SRAM Instances on Chips without SRAM Instances on Chips with SRAM Instances on ...

Page 72: ...s per HD Core or HD Process Card Plug in Mono Stereo Mono Stereo Mono Stereo BF Essential Clip Remover n a n a n a n a n a v n a BF Essential Correlation Meter n a n a n a n a n a n a n a BF Essential Meter Bridge n a n a n a n a n a n a n a BF Essential Noise Meter n a n a n a n a n a n a n a Bomb Factory BF 76 4 4 2 2 n a n a 9 Bomb Factory BF 3A 4 4 2 2 not supported not supported 9 Bomb Factor...

Page 73: ...a 9 Pultec MEQ 5 3 1 2 1 2 1 9 Purple Audio MC77 4 2 2 1 1 0 5 9 SansAmp 1 n a 1 n a n a n a 9 Slightly Rude Compressor 3 2 1 1 n a n a 9 Tel Ray Variable Delay 2 1 1 n a n a n a 9 Voce Cho rus Vibrato 13 7 7 3 3 1 9 Voce Spin 3 3 1 1 n a n a 9 Table 4 Maximum instances of real time TDM plug ins per DSP chip for an HD Core or HD Process card at different sample rates mono and stereo Sample Rate 44...

Page 74: ...ps on HD Accel see HD Accel Card on page 60 Monitoring DSP Usage The System Usage window Windows Show System Usage shows approximately how much DSP is available in your system and how it is being used in the current Pro Tools session For more information about DSP usage and allocation see the Pro Tools Reference Guide ...

Page 75: ...nnels to be slightly out of phase The following table shows the delays inherent in each type of Bomb Factory TDM plug in Pro Tools systems provide automatic Delay Compensation and other methods to com pensate for signal processing delays For de tailed information see the Pro Tools Refer ence Guide Table 5 Samples of delay incurred by each TDM plug in on HD cards Plug in Samples of Delay on Pro Too...

Page 76: ...ulator 3 Moogerfooger Lowpass Filter 3 Pultec EQH 2 3 Pultec EQP 1A 3 Pultec MEQ 5 3 Purple Audio MC77 6 SansAmp 3 Slightly Rude Compressor 3 Tel Ray Variable Delay 3 Voce Chorus Vibrato 3 Voce Spin 3 Table 5 Samples of delay incurred by each TDM plug in on HD cards Plug in Samples of Delay on Pro Tools HD Cards ...

Page 77: ... them useful for brickwall limiting in audio broadcast or mastering applications Other cir cuits perform simple averaging or more natural sounding RMS calculations that are better suited to a wider range of program material Once the detector determines the output level the VCA adjusts the signal level VCAs vary in type from cheap operational amplifiers op amps to elaborate tube circuitry Because t...

Page 78: ...e duction being applied to the signal To get a feel for each compressor adjust so the needle bounces backward about 10 dB on each peak and listen for the effect Breathe Life Into Lame Tracks What is the correct way to use compression It depends on the desired effect and the problem at hand Smoothing the overall dynamics of a performance often increases the strength and presence of a track in the f...

Page 79: ...n is the cymbal getting quieter dur ing each kick Depending on the compression settings required for the remainder of the pro gram material this may or may not produce the desired result Similar to the De Essing process if you EQ the sidechain and reduce low frequency energy per haps shelving everything below 300 Hz by 12 dB there s less low frequency feeding the detector You gain flexibility in t...

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Page 81: ...brighten 29 broadcast limiter 16 broadcast noise 21 Bucket Brigade Analog Delay Chips 32 buzz 21 48 C cabinet simulation 47 Carrier Oscillator 34 clarify 29 Class B 23 clip remover 9 compensating for DSP delays 69 compound release circuit 29 compression 71 compressor BF 2A 17 BF 3A 15 BF76 13 JOEMEEK SC2 28 Slightly Rude 49 Cosmonaut Voice 21 crunch 48 D deadness avoiding 29 de essing 73 delay Moo...

Page 82: ...37 EQ for separation 43 H harmonic generation 47 HD series cards DSP delays 69 hit 14 I installing plug ins 5 J JOEMEEK Meequalizer VC5 EQ 27 SC2 Compressor 28 L LA 2A 17 LA 3A 15 LFO 33 limiter BF 3A 16 Fairchild 660 23 Fairchild 670 25 lo fi 33 ring modulation 33 textures 47 M metallic 34 metering correlation meter 10 Essential Meter Bridge 10 noise meter 11 midrange 15 modulation 35 Moog Bob 32...

Page 83: ...eparation 43 shortwave simulation 21 side chain 14 71 filter in BF 2A 18 signal delay 69 sinusoidal 34 Slightly Rude Compressor 49 smooth EQ 41 sound generator 33 squawk and squelch 21 squishy 13 sum and difference frequencies 34 System Usage window 68 T TDM plug ins DSP requirements 59 Tel Ray Variable Delay 51 tighten 29 tin 27 tremolo 33 35 triode 23 tube sounds 47 tubes 23 tuna can 51 U uninst...

Page 84: ...City CA 94014 3886 USA Tel 650 731 6300 Fax 650 731 6399 TECHNICAL SUPPORT USA Tel 650 731 6100 Fax 650 731 6375 PRODUCT INFORMATION USA Tel 800 333 2137 INTERNATIONAL OFFICES Visit the Digidesign website for contact information www digidesign com ...

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