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Chapter 4: TL AutoPan

15

chapter 4

TL AutoPan

(TDM and RTAS)

Introduction

TL AutoPan is a TDM and RTAS plug-in for
Pro Tools. TL AutoPan is an automatic panning
plug-in that pans a mono input to a multichan-
nel (stereo, LCR, quad, or 5.0) output based on a
LFO, envelope follower, MIDI Beat Clock, or
manual automation. TL AutoPan is ideal for
rhythmic panning effects based on your
Pro Tools session tempo. It also provides an easy
and elegant way to automate panning to multi-
channel surround formats for post-production.

TL AutoPan Controls

The TL AutoPan interface is divided into several
sections, each of which is described below.

Output Meters

The Output meters display the amplitude of the
outgoing audio. In mono-to-stereo mode, a two
meter bar is shown. In mono-to-LCR, quad, or
5.0 mode, three, four, or five channels are
shown respectively.

The Clip indicator lights red when the channel
has clipped. The clip indicator for each channel
can be cleared by clicking it.

RTAS on Pro Tools LE only supports mono-
to-stereo.

Figure 1. TL AutoPan plug-in, TDM version

Output meters (L, C, R, Ls, Rs)

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Summary of Contents for Trillium Lane Labs

Page 1: ...Trillium Lane Labs Plug ins Version 8 0 ...

Page 2: ... Mbox MediaComposer MIDI I O MIX MultiShell Nitris OMF OMF Interchange PRE ProControl Pro Tools M Powered Pro Tools Pro Tools HD Pro Tools LE QuickPunch Recti Fi Reel Tape Reso Reverb One ReVibe RTAS Sibelius Smack SoundReplacer Sound Designer II Strike Structure SYNC HD SYNC I O Synchronic TL Aggro TL AutoPan TL Drum Rehab TL Everyphase TL Fauxlder TL In Tune TL MasterMeter TL Metro TL Space TL U...

Page 3: ...nventions Used in This Guide 3 About www digidesign com 3 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 7 Uninstalling Plug ins for VENUE Systems 8 Chapter 3 TL Aggro 9 Introduction 9 TL Aggro Controls 11 Using the Side Chain Input 13 Chapter 4 TL AutoPan 15 Introduction 15 TL AutoPan ...

Page 4: ...EveryPhase 47 Introduction 47 TL EveryPhase Controls 48 Using TL EveryPhase 54 Chapter 7 TL InTune 57 Introduction 57 TL InTune Controls and Displays 58 Customizing TL InTune 60 Using TL InTune 62 Chapter 8 TL MasterMeter 63 Introduction 63 Using TL MasterMeter 67 TL MasterMeter Controls and Displays 68 Chapter 9 TL Metro 71 Introduction 71 Configuring Pro Tools for Use with TL Metro 71 TL Metro C...

Page 5: ... v Chapter 10 TL Space TDM and TL Space Native 77 Introduction 77 System Performance 82 Impulse Responses 85 Presets 88 Snapshots 89 TL Space Controls and Displays 90 Using TL Space 100 IR Library 102 Index 103 ...

Page 6: ...Trillium Lane Labs Plug ins Guide vi ...

Page 7: ...n TL Drum Rehab TL EveryPhase TL Space TDM and TL Space Native Contents of the Boxed Version of Your Plug in Your plug in package contains the following components Installer disc Digidesign Registration Information Card One of the following authorization cards for authorizing plug ins with an iLok USB Smart Key not supplied Activation Card with an Activation Code for authorizing plug ins with an i...

Page 8: ...he latest information on the Digidesign web site www digidesign com compatibility Register Your Plug ins If you purchase a plug in online from the Digi Store www digidesign com using Internet Acti vation you are automatically registered If you purchase a plug in boxed version check the enclosed Digidesign Registration Informa tion Card for information about how to register online Registered users ...

Page 9: ... 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 and their plug ins applications and hardware News and Events Get the latest news from Digi design or sign up for a Pro Tools demo Pro Tools Accele...

Page 10: ...Trillium Lane Labs Plug ins Guide 4 ...

Page 11: ... Trillium Lane Labs plug ins install ers contain the latest versions of Digidesign plug ins use them to update any Trillium Lane Labs plug ins you may 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 ...

Page 12: ...oad Versions 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 in cluded Activation Card You will need this code to authorize y...

Page 13: ...ou 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 response autho rization is only valid for the VENUE system the plug in is currently installed on Challenge re sponse codes can be communicated using any computer with Internet access iLok USB Smart ...

Page 14: ...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 abled uninstalled or deleted A plug in that has been disabled or uninstalled but not deleted can be reinstalled without the CD ROM or USB drive containing the plug in installers Deleted plug i...

Page 15: ...nts and vocals is a staple in musical genres such as rock and pop Before the introduction of digital technology in the studio compressors were typically designed around a set of analog components Various compressor circuit designs are known for their distinctive sound and characteristics Popular analog compressors are often designed around optical isolator VCA voltage controlled ampli fier or FET ...

Page 16: ...e an input control that increases the amount of compression as the unit is driven harder However an input control adjustment is often less intuitive than a Threshold control Implementing a Threshold control into the op eration of TL Aggro has two specific side effects At the extreme setting of a high threshold high ratio fast attack and a slow release TL Aggro can overshoot in compression and beco...

Page 17: ...r ratio settings TL Aggro has a gentle knee in the compression curve Attack and Release The Attack control controls the amount of time it takes TL Aggro to begin compression once the audio signal has reached the threshold Slow at tack times tend to promote overall brightness and high frequency audio within the com pressed audio signal Conversely the Release control controls the time it takes TL Ag...

Page 18: ...filter and the values indicated above the Bass Compensa tion slider are in Hertz As the slider increases from left to right the compressor will be even less reactive to low frequencies For example place a stereo TL Aggro on a full stereo drum mix Set the compressor for moder ate to high gain reduction levels enable the Bass Compensation and slide the frequency control from left to right As the cut...

Page 19: ...gs the instantaneous gain reduction might be less than what it is presented by the needle In Input IN or Output OUT mode the needle meter displays an average of the signals roughly approximating the RMS root mean square strength of the signal The grey scale on the meter represents the input and output levels in negative dB This gives you a better representa tion of the overall loudness of the sign...

Page 20: ...Trillium Lane Labs Plug ins Guide 14 ...

Page 21: ...y to automate panning to multi channel surround formats for post production TL AutoPan Controls The TL AutoPan interface is divided into several sections each of which is described below Output Meters The Output meters display the amplitude of the outgoing audio In mono to stereo mode a two meter bar is shown In mono to LCR quad or 5 0 mode three four or five channels are shown respectively The Cl...

Page 22: ...r mines the amount of LFO or Envelope control on the pan position Manual The Manual slider directly controls the pan po sition this lets you manually control the pan position from a control surface or by using auto mation The amount of manual control is af fected by the setting of the Width slider For full manual control set the Width slider to 0 When the Width slider is at 100 the Manual slider h...

Page 23: ...elected Panning Source Click LFO or ENV to select the source for pan ning When the Source is set to LFO panning is controlled by the LFO and its controls see LFO Section on page 18 When the Source is set to Envelope ENV panning is controlled by the Envelope Detector and its controls see Enve lope Section on page 20 The Envelope Detec tor can be triggered by the panned audio signal or by a side cha...

Page 24: ...usts the rate of the LFO in beats per minute When Link to Tempo is acti vated the slider is ignored and the Tempo LCD always displays the current session tempo see Tempo LCD on page 20 Waveform The Waveform selector determines the wave shape used by the LFO The waveform shape in use is graphically depicted by the movement of the Sound Location indicator in the Panning display LFO Triggers By defau...

Page 25: ...ed The threshold level can be ad justed using the Threshold control in the Enve lope section If the Envelope Detector is completely released due to previous portions of the audio signal go ing above threshold a trigger occurs the next time the audio goes above the threshold level Another trigger will not happen until the Enve lope Detector has completely released after the audio goes below the spe...

Page 26: ...typing a new value Envelope Section When Envelope ENV is selected as the Panning source Panning as shown in the Panning dis play is controlled by the audio signal and the Envelope section controls Side Chain Input When the Side Chain Input selector the key icon is enabled the audio for the Envelope De tector is taken from the side chain input rather than the current track Select the Side Chain In ...

Page 27: ...tempo 4 Select the desired duration from the Duration selector For example select 2 Beats 5 Select the desired waveform for the LFO from the Waveform selector For example select 4 Step Triangle 6 Enable Beat Clock for the LFO Trigger This en sures that the LFO is synchronized to the beat 7 Play back the session to hear the panning ef fect Post Production Panning Pro Tools HD Systems Only TL AutoPa...

Page 28: ...option in TL AutoPan lets you direct audio from another track in your Pro Tools session to the Envelope Detector This is achieved by sending the audio from the de sired channel to a bus and setting the side chain input on TL AutoPan to the same bus Try automating Rate to alter the speed of the panned sound over time For more information on using the Side Chain Input see the Pro Tools Guide ...

Page 29: ...cing poor drum sounds to remixing drum performances with completely new and different sounds TL Drum Rehab Features Editable sample accurate trigger locations Dynamic multi sample support of up to 16 layers Zones Envelope and tone shaping controls Undo Powerful sample browser and converter Favorites Custom file format DRP Tracking compression and quantization Triggering sensitivity and filtering c...

Page 30: ...ab to re place the kick drum sound on a mono kick drum track in real time The second example describes a more complicated procedure using TL Drum Rehab s Expert panel to replace a high hat track and quantize the replacement samples Workflow Example 1 Using TL Drum Rehab to replace a kick drum sound 1 Insert TL Drum Rehab on a mono audio track of a kick drum recording 2 Make a short selection to se...

Page 31: ...TL Drum Rehab s Library browser see TL Drum Rehab Library Browser on page 43 lo cate the drum sample or DRP file you want to load You can audition samples and DRP files by enabling the Auto Audition option and select ing the sample or DRP file you want audition in the browser DRP files are a collection of samples loaded into TL Drum Rehab s Zones and Clips that work to gether to create a realistic...

Page 32: ...he following Bus and record the output of TL Drum Re hab to a new audio track Use Bounce to Disk to render the replace ment track and import it back into the ses sion For more information on Bounce To Disk see the Pro Tools Reference Guide Leave the plug in inserted and continue to use it during playback Workflow Example 2 Using the TL Drum Rehab Expert panel to replace and quantize a high hat sou...

Page 33: ...mode is typically disabled so that TL Drum Rehab doesn t reanalyze the selec tion s attack transients and generate new trig gers after you have already edited any commit ted triggers 5 Disable Listen mode 6 For no latency on playback enabled No La tency mode see Triggering Controls on page 34 7 Select the desired quantize resolution from the Quantize To pop up menu see Quantize To on page 38 8 Adj...

Page 34: ...rt Panel Display and Controls on page 35 Samples Panel Lets you view and manage drum samples loaded into TL Drum Rehab Samples Panel Display and Controls on page 39 Preferences Panel Lets you edit TL Drum Re hab s preferences see Preferences Panel Dis play and Controls on page 42 A Note About TL Drum Rehab Control Sliders TL Drum Rehab has several control sliders that are global controls and are a...

Page 35: ... in the Trigger panel is grayed out Trigger Panel Display and Controls The Trigger panel provides most of the controls you need to use TL Drum Rehab see Figure 2 The Trigger panel lets you identify triggers and set up Velocity Zones for sample playback Addi tionally the trigger panel provides several play back controls To access the trigger panel Click the Trigger Panel button Quantize slider a un...

Page 36: ...xt sample silences the sound ing sample Typically you would select Free for cymbals since they tend to ring and Choke for drums like kicks and snares However you may find that you get some interesting effects by try ing something a little different such as selecting Choke for cymbals DRP Name Display The DRP Name display displays the name of the currently loaded DRP file above the Waveform display...

Page 37: ...ggered only by the correspond ing amplitude of the detected transient so that a soft hit on the original snare track triggers the p snare sample and a loud snare hit triggers the f or ff snare sample Waveform display with detected triggers and amplitudes If TL Drum Rehab detects unwanted trig gers such as kick bleed through on the snare track refer to the detected amplitude for the unwanted trigge...

Page 38: ...igger is in the range of a particular Velocity Zone the sample loaded into that Zone is played back triggered The Velocity Map displays the current velocity amplitude on playback The Velocity Zones are depicted as colored bars in the Velocity Map The different colors from left to right quiet to loud indicate the velocity range darker colors represent lower velocity ranges for example 1 32 and brig...

Page 39: ...tween Zones click the border between Zones and drag it left or right This determines the range in which the detected amplitude of the original track triggers plays back the sample loaded into the Zone To change the range of the crossfade between Zones click the border between Zones and drag it up or down This determines the range of the crossfade between samples loaded into adjacent Zones Minimum ...

Page 40: ...is like a Wet Mix control The range of the Samples control is between 40 dB and 20 dB Ducking Controls the amount of gain reduction applied to the input audio when a sample is trig gered This is like a balance control letting you adjust exactly how much the track s audio is suppressed by the samples triggered by TL Drum Rehab The range of the Ducking control is be tween 40 dB and 0 dB Dynamics Con...

Page 41: ...edit the location of committed triggers Playback must be stopped to commit uncommit ignore or otherwise edit triggers The Expert panel also provides some of the same controls as the Trigger panel Listen No La tency Minimum and Maximum Threshold and the Velocity Map and Velocity Zones To access the Expert panel Click the Expert Panel button see Figure 3 Figure 3 Expert panel Expert Panel button ...

Page 42: ...ten for triggers see Triggering Controls on page 34 2 Select the Expert panel 3 Do one of the following Click Commit All to commit all detected trig gers or Click Commit and then click only the trig gers you want to commit Committed trig gers are indicated by a red arrow To play back only committed triggers 1 Deselect Listen 2 Start playback To edit the position of a committed trigger 1 In the Exp...

Page 43: ...nore lets you specify detected triggers to be ignored during playback Triggers do not have to be committed to be ig nored To ignore specific triggers during playback when Listen is enabled 1 In the Expert panel click Ignore 2 Click only the triggers you want to ignore Triggers that are ignored are marked with a red X Commit All Clicking Commit All commits all detected triggers in the Timeline sele...

Page 44: ...s on page 34 Waveform Display The Waveform display in the Expert panel is the same as in the Trigger panel see Waveform Display on page 31 it provides a graphic rep resentation of the selected track s audio and also displays detected triggers and velocities amplitudes Detected triggers are displayed as light blue lines on the waveform If the Tempo Changes preference is enabled see Tempo Changes on...

Page 45: ... Samples Panel Display and Controls The Samples panel lets you load view shape and organize samples for playback To access the Samples panel Click the Samples Panel button see Figure 4 Figure 4 Samples panel Samples Panel button ...

Page 46: ...er Zone adds a greater degree of realism by adding variety to the sound For example you might want to load samples of the same drum played with slightly different stick positions into Clips 1 4 and have TL Drum Rehab trigger them in random order for a more realistic sounding performance To add a sample to a Clip 1 In the Samples panel select the Velocity Zone to which you want to add a sample 2 Cl...

Page 47: ... in the currently selected posi tion A or B Invert can be useful for ensuring phase alignment with other drum tracks in the session It can also be used for shaping the tone of drum sounds a classic analog technique Waveshaping Controls Use the envelope and EQ controls to shape the sound for all clips in the currently selected posi tion A or B Attack Emphasizes or reduces the attack charac teristic...

Page 48: ...to increase the Timeline Buffer Size Auto Scroll Time When there is no Timeline selection in Pro Tools the Auto Scroll Time preference sets the amount of time displayed in TL Drum Re hab s Waveform display during playback Dur ing playback the Waveform display scrolls in crementally by the amount of time specified in the Auto Scroll Time preference Tempo Changes When the Tempo Changes preference is...

Page 49: ...vailable to the TL Drum Rehab library are stored in the following locations Windows system drive letter Documents and Settings user name Application Data Trillium Lane TL Drum Rehab Samples Mac Library Application Support Trillium Lane TL Drum Rehab Samples Favorites Click the Favorites button to show your favorite drum samples and folders of drum samples For information on Favorites see Edit on p...

Page 50: ...e Help button at the top of the Main window turns TL Drum Rehab Help Balloons on or off Loading Samples and Saving Custom DRP Files In addition to using the DRP files that come with TL Drum Rehab TL Drum Rehab lets you load your own samples and save custom DRP files While you can load samples in both the Trigger and Expert panels the Samples panel provides the most extensive features for loading s...

Page 51: ...of a snare hit all recorded at different dynamics from p to fff See of Zones on page 41 7 Select the Zone into which you want to load the first sample In this example the samples will be loaded from soft to loud so select the left most Zone first See Velocity Map and Ve locity Zones on page 32 8 In the Library browser double click the de sired audio file WAV AIF or SD2 to load it into the selected...

Page 52: ...DRP file appears highlighted at the top of the browser list as Drum Samples drp 13 Click and rename the file to something iden tifiable In this example the samples were re cordings of a Noble and Cooley snare so it is named NC Snare 1 14 Press Enter if you do not press Enter the new DRP will not be saved The new DRP file appears in the current directory 15 Select the new DRP file in the Library br...

Page 53: ...d tremolo on a delicate guitar track to the most extreme filtered feedBack Tra ditionally phasers were analog effects devices Analog phasers delivered the benefits of a smooth analog sound but like many analog de vices were often unreliable and introduced un wanted noise and hum A phaser functions by moving a portion of the incoming audio out of phase and then adding the processed audio back to th...

Page 54: ... The envelope detector in TL EveryPhase pro vides several options to control the phasing di rectly from an audio signal Firstly the envelope detector can be driven by the audio of the cur rent track or audio from a side chain input The envelope detector can drive the phaser modula tion directly by selecting ENV for the Source in the Modulation section Alternatively the enve lope detector can be us...

Page 55: ...ome from a different stage of the phaser When Resonance is set to Norm feed Back is based on the stage of the phaser set by the Stages slider When Resonance set to any other value feedBack is taken from the stage in dicated by the Resonance slider and a different feedBack tone is created FeedBack The FeedBack slider feeds the output signal of TL EveryPhase back into the input creating a resonant o...

Page 56: ...Envelope ENV modulation is controlled by the Envelope Detector which listens to the au dio signal If the side chain input in the Enve lope section is activated the side chain audio is used instead of the current track Direction Click Up or Down to change the direction of the modulation LFO Section Rate The Rate slider adjust the rate of the LFO in beats per minute When Link to Tempo is acti vated ...

Page 57: ...ing results ensuring that the LFO is al ways in the same state at each beat Envelope When the Envelope trigger is selected the LFO is triggered directly by the Envelope detector which listens to the audio signal If the Side Chain Input selector in the Envelope section is activated then the side chain audio signal is used instead When activated the Envelope light blinks brighter when an audio signa...

Page 58: ...mpo Duration Selector The Duration selector works in conjunction with the session tempo LFO rate and Beat Clock trigger By default Duration is set to 1 bar At that setting the LFO cycles once within one bar When Duration is set to 1 beat the LFO cy cles within the duration of one beat When Link to Tempo is activated the Duration selector sets the LFO rate as a function of the tempo of the Pro Tool...

Page 59: ...rrent track Select the Side Chain In put using the Pro Tools key icon at the top of the plug in window Threshold The Threshold slider sets the amplitude level re quired for the Envelope Detector The LFO En velope Detector light blinks brighter when au dio is detected above the threshold Attack The Attack slider sets the attack rate of the Enve lope Detector Release The Release slider sets the rele...

Page 60: ...e TL EveryPhase plug in window 6 Add LFO Manual Trigger to the automation list 7 Set the Automation mode for the track to Write or Touch 8 Play the session 9 At the point where you wish phasing to start click on Manual Trigger to start the LFO The au tomation for this action will be recorded onto the track The Bypass and or Depth controls can also be automated to ensure TL EveryPhase does not ef f...

Page 61: ...n track and create a rhyth mic phasing effect on a bass line This is espe cially effective in R B hip hop and electronic music Consider the following two bar bass line and drum loop The bass line is simply a single bass guitar note which lasts for almost an entire bar The bass line can be phased by the drum loop as follows 1 Instantiate TL EveryPhase on the bass line track 2 Send the drum loop tra...

Page 62: ...negative the notches occur at frequencies that have identical phase Flipping the Depth from positive to negative or vice versa can have a dramatic impact on the sound Change the Resonance If you want to modify the singing tones created by high FeedBack settings try adjusting the Reso nance control By default the Resonance slider is set to Norm which is equal to the current Stages setting For examp...

Page 63: ...select TL InTune from the plug in menu for that track When TL InTune detects an audio signal from the track the meter lights up and displays the relative pitch of the incoming signal With stringed instruments this will vary during the attack and decay of the note By default TL InTune loads the Chromatic tuner preset This displays all notes in the scale and automatically displays the required octav...

Page 64: ...tic mode Click the Auto button to enable Automatic mode The Auto button highlights Test Tone TL InTune will generate both sine wave and tri angle wave test tones as shown in the tone menu The Audible tuning tone modulates the input signal against the reference tone To hear a test tone 1 Select Sine Triangle or Audible from the Test Tone selector 2 Click the Note button for the desired note 3 Adjus...

Page 65: ...splayed in TL InTune is based on middle C being equal to C4 In chro matic presets you can select the desired tuning octave from 0 6 using the arrows at each end of the note display Reference Frequency You can adjust the tuning reference frequency using the arrows inside the information display By default reference frequency is A 440 Hertz Information Display The LCD style information display in TL...

Page 66: ... presets can be selected from the Plug in Librarian menu To make any preset the default when TL InTune is instantiated 1 From the Plug in Librarian menu select the desired preset 2 From the Plug in Settings menu select Set As User Default 3 From the Plug in Settings menu select Set tings Preferences Set Plug in Default To User Setting Creating Tuning Presets TL InTune lets you create customized tu...

Page 67: ...f these notes are entered in the Edit screen TL InTune will display these same notes in the following way D 2 G 2 C 3 F 3 A 3 D 4 The Display Flat Semitones option overrides the default behavior and displays semitones as flats not sharps It is not possible to display both sharp and flat semitones in the same tuning pre set Note Entry Fields The twelve note entry fields allow entry of indi vidual n...

Page 68: ...tory presets stringed instru ments are laid out from the highest numbered string usually the lowest tone to the highest from left to right For example a six string guitar in standard tuning is shown as E2 A2 D3 G3 B3 E4 which are the notes and octaves for the sixth string through to the first string respec tively For best tuning results with guitars do the fol lowing Use headphones as loud monitor...

Page 69: ...erMeter 63 chapter 8 TL MasterMeter TDM and RTAS Introduction TL MasterMeter is a TDM and RTAS oversam pling meter plug in that is designed for critical mixing and mastering applications Figure 1 TL MasterMeter plug in ...

Page 70: ...rm can be represented in multiple ways during the process of sampling display and re construction Figure 3 through Figure 6 show how the same complex waveform in Figure 2 can be represented in the digital domain The process of recreating the original waveform from the sampled waveform involves a filter called a reconstruction filter This filter removes all content above the Nyquist frequency half ...

Page 71: ...tells the amplitude of the waveform s peaks In the analog realm peak signal was an indicator that would alert the audio engineer when the peak signal level was getting too high A peak signal in analog recording would cause the tape to saturate creating distortion In an analog sys tem however this type of distortion was often deliberately engineered into tracks in order to achieve a certain sound I...

Page 72: ...s to amplify the signal as much as possible both during mixing and during mas tering the peak value of the sample points is closely watched to ensure that it does not get to full scale Since the peak meters in said DAW and digital mixing systems are inaccurate and do not actually indicate the peak values of the resulting waveform the result is that while the samples themselves do not exceed full s...

Page 73: ...n Dick Pierce Herbie Robinson et al Intersample Peaking Pro Audio Mailing List 21 December 2002 31 December 2002 Nielsen Soren and Thomas Lund Level Con trol in Digital Mastering Preprint 5019 107th AES Convention Denmark 1999 Nielsen Soren and Thomas Lund 0 dBFS Lev els in Digital Mastering TC Electronic Risskov Denmark 17 July 2003 http www tcelec tronic com media Level_paper_AES109 pdf Nyquist ...

Page 74: ... values in this browser will always be zero unless the Clip level is set below zero The contents of this browser can be sorted in ascending and descending order by any column simply by clicking on the desired column one or more times The time information displayed in this browser is relative to where the transport started The Offset field can be used to adjust the timecode values if TL MasterMeter...

Page 75: ...00 clip events it ceases to record additional events Although the meters remain active and the Peak field continues to be updated new events will not be added to the browsers The Events field flashes 2000 to indicate this condition The Oversampling field displays the current oversampling factor in use by the DSP process ing This will vary between 2x 4x and 8x over sampling depending on the session...

Page 76: ...ed from a point other than the begin ning The Enter key must be used after a new off set is typed for it to become active The informa tion shown in the browsers is updated immediately when the new Offset is entered For example if the session was started from the point 1 03 901 1 minute 3 901 seconds this value should be entered into the Offset to en sure the timecode displayed in both of the brows...

Page 77: ...for use with TL Metro 1 Create a new Pro Tools session 2 Create a new audio Auxiliary Input or Instru ment track 3 Insert TL Metro on the new track 4 Ensure that Options Click is enabled To configure Pro Tools versions 6 9 or earlier for use with TL Metro 1 Select MIDI Click Options 2 In the Click Options dialog ensure that the velocity for the accented note is higher than that of the unaccented n...

Page 78: ...yed instead of the whole note Sample Selectors Select the desired audio sample played for each of the five different notes from the correspond ing Sample selector A sample can be selected from any of up to 50 sample slots Master Volume The Master Volume slider controls the overall volume of the metronome audio signal Tempo Controls Tempo can be specified by manually entering the tempo or using the...

Page 79: ... in the Tempo field and in the LCD dis play Information Display The LCD style information display in TL Metro displays the following The current tempo in beats per minute bpm The current beat of the measure Link status The MIDI name of this instantiation of the TL Metro plug in also appears in the display be neath the tempo This is typically shown as TL Metro 1 TL Metro 2 or similar This enables m...

Page 80: ...ach bar when you start the Transport Linked to Transport and Tempo TL Metro can also be linked to both the Pro Tools Transport and Tempo In this mode TL Metro automatically follows the tempo of the Pro Tools session in addition to following the Transport Ensure that MIDI is correctly configured for TL Metro in Pro Tools see Configuring Pro Tools for Use with TL Metro on page 71 Customizing TL Metr...

Page 81: ...lick the Sound Library button to display the sample menu 2 Select an unassigned slot 3 In the resulting File dialog select the WAV or AIFF file you want to import 4 Click OK The name of the selected file is displayed in each sample menu To use the imported sample se lect it from the sample menu for the appropriate beat Factory and imported samples are stored in a preferences file named TL Metro Pl...

Page 82: ...Trillium Lane Labs Plug ins Guide 76 ...

Page 83: ...M and TL Space Native TL Space TDM includes all plug in formats TL Space Native includes RTAS and AudioSuite plug in formats only TL Space was designed to be the ultimate reverb for music and post production applications By combining the sampled acoustics of real reverb spaces with advanced DSP algorithms TL Space offers stunning realism with full control of re verb parameters in mono stereo and s...

Page 84: ... Features Scrollable IR browser makes finding im pulse responses easy Browser supports user defined IR groups on any local drives Browser keyboard shortcuts IR favorites function Automatically recognizes common IR for mats for one click loading IR browser hides to save screen real estate Quick browser buttons allow rapid IR load ing and preview Automation and Ease of Use Features Snapshot mode sup...

Page 85: ... inside a soundproof enclosure An ad justable damping plate allows control of the re verb decay time and piezoelectric pickups at tached to the plate provide the return reverb signal to the console An alternative and less ex pensive analog reverb system is the spring re verb most commonly seen in guitar amplifiers beginning in the 1960s Similar to the plate re verb in operation the spring reverb u...

Page 86: ...s often described by the time it takes for the sound pressure level of the reverb to decay 60 decibels below the direct sound and is known as RT60 Overall TL Space allows de cay to be adjusted as required For surround pro cessing decay can be adjusted for individual channel groups Convolution Reverb Convolution reverb goes beyond traditional an alog and synthetic digital reverb techniques to direc...

Page 87: ...is an internal module of TL Space that provides extensive user control over the currently loaded impulse response waveform When the user adjusts the parame ters shown below the IR is automatically recal culated by the impulse computer and reloaded into the convolution processor Figure 3 on page 81 shows the internal functions of the im pulse computer as it processes the waveform and loads it into ...

Page 88: ...o latency on HD Accel is ideal for re cording live as TL Space latency is kept to five samples or less RTAS plug ins have more inher ent latency However for some users latency is not critical and RTAS plug ins may lend them selves to post production environments with a requirement to switch seamlessly in real time between reverb snapshots Regardless of the plug in format Pro Tools TDM 6 4 or highe...

Page 89: ...cessing processes two separate in put signals This stereo image of the two inputs is reproduced in the reverb An IR used for true stereo requires two sound sources and hence the total number of channels in the IR will be equal to double the number of outputs True ste reo is more CPU and DSP intensive than summed stereo consuming twice the resources To use true stereo with TL Space on TDM insert TL...

Page 90: ...chips across two HD Accel cards Table 4 shows the TL Space DSP requirements by channel These numbers represent the maximum possi ble DSP usage of TL Space Long For example TL Space Medium has only 50 of the DSP require ment in supported stereo and quad channel for mats CPU Usage On all Pro Tools systems TL Space can be in stantiated as an RTAS plug in This impacts the performance of the CPU CPU us...

Page 91: ...In addition to reflecting reverb or delay characteristics an IR also reflects tonal character and can be used for a variety of effects beyond pure reverb applica tions Depending on the capture technique used the IR may be suitable for use with mono stereo surround or a combination of those formats For example a capture setup with a single sound source and two microphones is ideal for a mono to ste...

Page 92: ...perform an easy install of the entire IR library on the system drive 4 If you want to install only part of the library select Custom Install and select the parts of the li brary you want to install 5 When the installation is completed click Quit to finish the installation Multichannel Impulse Response Formats TL Space supports IRs in multichannel or multi ple mono audio files IRs with a single inp...

Page 93: ...d as L and R Outputchannel refers to the microphones used to capture the impulse and corre sponds to your studio monitors outputch annel is designated using the standard L C R Ls and Rs extensions Type is optionally WAV AIFF or SD2 For best performance filenames should always be suffixed with type to avoid TL Space having to open the file to determine audio format The following examples show how v...

Page 94: ...ls are indicated by comparing the IR information displayed in the display area to the number of channels in use For example a 2 input 4 output IR used with a 5 0 output instantiation of TL Space will auto matically have a phantom center channel cre ated Presets TL Space supports the Pro Tools Plug in Librar ian When an IR file is loaded all controls re main at their current positions as the IR fil...

Page 95: ...e as TL Space stores each IR waveform inside the file This provides maxi mum compatibility between different Pro Tools systems without the need for them to have iden tical IR libraries IR embedding can be disabled in TL Space s Pref erences If IR embedding is disabled TL Space stores only a reference to the name of the IR file When the session is transferred to a different system TL Space attempts...

Page 96: ...Trillium Lane Labs Plug ins Guide 90 TL Space Controls and Displays The TL Space interface is divided into several sections each of which is described in the following sec tion Figure 4 ...

Page 97: ...om a preset or session but does not ex ist in the IR browser the Quick browser con trols are inoperative Waveform Mode Waveform mode is selected using the Waveform icon at the top of the TL Space window In Waveform mode the display area shows the IR waveform with the following controls Waveform mode displays the IR waveform along a horizontal axis marked in seconds and the vertical axis marked in ...

Page 98: ...apshots The name of the currently selected snapshot is always displayed in the Info bar at the bottom of the display area and can be automated This lets you switch reverb settings during playback and is useful for post production sessions where the reverb setting may change as the scene changes The active snapshot can be selected in one of two ways At any time a snapshot can be se lected by using ...

Page 99: ...TL Space IR packages and their versions Meters The Meters display the amplitude of the incom ing and outgoing audio signals by channel The number of meters shown will depend on the number of input and output channels Input meters may be mono or stereo and output meters may be mono stereo quad or 5 0 chan nels Each meter is marked as either mono left right center left surround or right surround A l...

Page 100: ...e in the browser The IR browser can be operated using the fol lowing shortcuts When the IR browser has key board focus a blue highlight is displayed around the edge of the browser window The IR browser lets you install and import new IRs Each IR folder reflects a folder on the hard drive When importing a new IR folder a stan dard file dialog will be displayed to enable the user to choose the folde...

Page 101: ...moves any user imported IR folder but does not affect the Fa vorites folder or IR packages installed from the TL Space online IR library Rescan for Files Forces TL Space to check the hard drive for new IRs This is typically required if new IR files have been copied to the hard drive Using the Rescan for Files command loads new IRs into TL Space without needing to close TL Space or the Pro Tools se...

Page 102: ...ach IR package has a version number and TL Space warns you if an IR package has al ready been installed The details of all installed IR packages can be re viewed using the Show Packages option in Pref erences mode Primary Controls The primary control group is visible at all times and allows control of key reverb parameters This includes the wet and dry levels of the audio passing through TL Space ...

Page 103: ...ts length of the Pre Delay from 200 to 200 ms The Pre Delay is the time be tween the direct sound and the first reflection Increasing the Pre Delay often changes the per ceived clarity of audio such as vocals Pre Delay adjusts the delay of the overall impulse and af fects both the Early and Late portions of the IR equally Pre Delay can be set to negative values to allow for subtle or radical chang...

Page 104: ...ng of the waveform Early Length can however be adjusted to any value to explore other creative possibilities Size Changes the size of the Early reflections from 50 to 200 Early Size expands or con tracts the reflections in the early portion of the IR as specified by the Early Length control Re duce the Early Size to give the space a smaller tighter sound Increase the Early Size to give the space a...

Page 105: ...calcu lated it is re displayed in the Waveform display The value shown is measured in Beats Per Minute to let you easily match the tempo of the music Decay The Decay group controls allow the user to con trol the decay of the low mid and high fre quency portions of the IR Use the controls to tailor the reverb s character for a mix or for cre ative possibilities not found in traditional reverb proce...

Page 106: ...il able from the Plug in Presets selector in con junction with various reverb settings However the presets do not cover the entire IR library Reverb Send When TL Space is used on an Aux Input track as an effects send the Dry control should be set to inf dB Table 5 Pros and cons for different plug in formats Plug in Format Pros Cons Typical Use TDM Zero latency on HD Accel Minimal CPU load Very fas...

Page 107: ...y wish to locate more demanding PCI cards on the main PCI bus rather than in an expansion chassis By locating the PCI cards away from Pro Tools DSP cards PCI contention is typically reduced Secondly assign more DSPs to the Pro Tools Playback Engine Open the Playback Engine di alog and increase the number of DSPs per the Number of Voices If this does not resolve bus contention issues the PCI Thrott...

Page 108: ...anical reverb plates Springs Classic electromechanical reverb springs Digital Reverbs Classic and contemporary digital reverb units Post Production Post production impulses Tiny Spaces Small reverbs from everyday objects Pure Spaces A selection of Pure Space impulses in multiple categories Effects Non reverb effects for sound design in multiple categories Colors Sound coloring and positioning Cosm...

Page 109: ...s 1 phase shifter 47 phaser 47 plug ins installing 5 registration 2 working with 2 R registration 2 removing plug ins 7 reverb 79 convolution 80 reverberation 79 T TL Aggro 9 Attack control 11 Bass Compensation 11 cutoff frequency control 12 GR mode 13 Input IN mode 13 LED meters 13 Needle meter 13 Output OUT mode 13 Post Gain control 11 Ratio control 11 Release control 11 reverse feedback system ...

Page 110: ...2 browsing sample CDs 43 changing the duration of the crossfades between zones 33 Clear 41 Clips 40 Commit 36 Commit All 37 committing detected triggers 36 Detector Mode pop up menu 30 DRP 30 DRP Name display 30 Ducking control 34 Dynamics control 34 Edit pop up menu 44 editing the position of committed triggers 36 EQ Gain control 41 Expert panel 35 Favorites button 43 features 23 File pop up menu...

Page 111: ...slider 53 using a Side Chain Input 55 using Beat Clock 55 Waveform selector 51 Width slider 50 TL InTune 57 Automatic mode 58 Chromatic mode 60 creating presets 60 Display Flat Semitones option 61 factory presets 60 information display 59 Meter selector 59 Needle meter 59 note entry fields 61 Note Selection buttons 60 Octave range 59 reference frequency 59 Single Octave mode 61 Strobe display 59 t...

Page 112: ...ormats 86 IR filename conventions 87 IR formats 85 IR library 102 IR Name 91 latency 82 Levels group 97 Early 97 Front Rear Center 97 Input 97 Late 97 Output 97 Meters display 93 New Folder in Favorites 95 PCI bus contention 101 PCI Throttle 101 Picture Preview mode 92 plug in formats 82 100 Preferences mode 93 Embed IRs in Preset Session Files 93 Installed IR Packages 93 PCI Throttle 93 presets 8...

Page 113: ...ace Native 77 TL Space Online IR Library 95 TL Space TDM 77 TL Drum Rehab workflow examples 24 tuner 57 U uninstalling plug ins Mac 8 Windows Vista 7 Windows XP 8 using TL Drum Rehab 24 V VENUE working with plug ins 2 W website 3 working with plug ins 2 ...

Page 114: ...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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