Update Summary
(c) 2003-2007 AudioRealism
VST PlugIn Technology by Steinberg Media Technologies AG
The Audio Units logo is a trademark of Apple Computer, Inc
Table of Contents
Introduction...................................................................................................................3
Installation.....................................................................................................................4
PC.............................................................................................................................4
Mac...........................................................................................................................4
Authorizing your plug-in................................................................................................4
MIDI Learn....................................................................................................................4
Import and Export Patterns...........................................................................................4
Default Pattern Bank.....................................................................................................4
Pattern Library..............................................................................................................5
Pattern Analyzer...........................................................................................................6
Detect.......................................................................................................................6
Transport..................................................................................................................7
Pattern setup............................................................................................................7
Pattern .....................................................................................................................7
Using the detector to transcribe 303 patterns..........................................................8
Preferences...................................................................................................................9
General.....................................................................................................................9
MIDI........................................................................................................................10
Knob Mode.............................................................................................................10
Tuning.....................................................................................................................10
Sync........................................................................................................................10
MIDI Mode..............................................................................................................11
Emulation................................................................................................................11
2
Introduction
Thank you for using AudioRealism Bass Line 2 (ABL2)! The ABL2 update contains a
number of usability improvements as well as updates to the sound engine making it
sound more authentic than ever. To summarize the sound has been improved in the
following areas:
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The bass response has less muddiness
The filter has been updated to incorporate subtle non linear effects
'Trimpots' have been added to customize the emulation for individual taste
The accent has been improved to include the 'accent ducking' effect
The infamous VCA clicks are now optional and more accurate to the original
Furthermore the sound engine has been completely overhauled, every digital artifact
was cleaned out to ensure a clean smooth sound.
In the usability corner:
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Pattern library for quickly accessing and saving patterns
Pattern analyzer with Audio detection
Copy/Paste patterns to system clipboard
Load/Save multiple patterns in one go
MIDI assignable pattern section buttons
Preferences setup dialog
Additionally there are now more than 150 example patterns included and two new
3D skins rendered with AudioRealism's imaging tool mray++.
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Installation
PC
1. Locate the executable Install_ABL2_PC.exe and run.
2. The installer will suggest a path to install the plug-in into.
3. If the path is correct, select <Install> else browse to the path where you keep
your VST plug-ins and then select <Install>.
4. ABL2 will show up under AudioRealism/ABL2 in your host's VST plug-ins
menu.
Mac
1. Locate the executable Install_ABL2_AU.zip or Install_ABL2_VST.zip
depending on which version you wish to install.
2. Extract the file by double clicking on it and run the installer package
3. ABL2 will show up under AudioRealism/ABL2 in your host's VST plug-ins
menu.
Authorizing your plug-in
Before you can start using the plug-in you need to enter the authorization information
that you have received from AudioRealism. When this information has been
completed you will not be asked for it again unless you reinstall the plug-in. If you
have trouble completing the information contact support@audiorealism.se.
MIDI Learn
MIDI Learn been extended to the pattern section buttons. For example you may map
the keyboard pitch buttons to any buttons on your MIDI Controller that send MIDI
CC.
Import and Export Patterns
It is possible to import and export the whole pattern bank using the Import and
Export Patterns selections in the Pattern Menu.
Default Pattern Bank
When the plug-in is started it can loads a default pattern bank. The default pattern
bank resides in the plug-in installation directory under the name
DefaultPatternBank.pat. It is possible to replace this bank with your own by using
Export Patterns in the Pattern menu.
Automatic load of the default pattern bank can be shut off in the Preferences dialog.
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Pattern Library
The pattern library is a quick way of accessing and saving your patterns in an
organized fashion.
The menu consists of three selections: Load Pattern, Save Pattern and Load Knobs
On/Off. After these three entries the patterns follow sorted into categories.
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Load Pattern: It is possible to select several patterns by holding <Shift> and
selecting several files. The patterns will be loaded in the same order in which
they are selected.
Save Pattern: Brings up the standard save dialog.
Load Knobs On/Off: Determines whether the knob settings (including the
switches and tempo) should be recalled when loading a pattern or not. If
ABL2 is in Internal Sync mode the tempo will not be changed. Not all patterns
are save with knob information, in which case this setting has no effect.
It is possible to load and save the whole pattern bank (128 patterns) using the
Import- and Export patterns function in the Pattern menu.
Note: When loading multiple patterns, make sure ABL2 is set on a pattern slot that
allows room for all the patterns to be loaded, for example if you are on pattern slot
100 and attempt to load 32 patterns only 27 will be loaded.
5
Pattern Analyzer
The pattern analyzer is a tool for editing and analyzing patterns. It also features an
audio detection algorithm which can be used to transcribe patterns or create new
patterns in sync with an audio file. While the audio import feature was designed to
work on monophonic and clean signals recorded under certain conditions (explained
below) it can also produce interesting results when fed other types of audio, for
example a rhythm beat from a drum machine.
The pattern analyzer dialog is split into four panes: Detect, Transport, Setup and
Pattern. There is also a waveform view near the center of the dialog.
Detect
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Detect from Wave: Brings up a file selection dialog where audio files of the
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type WAV or AIF may be selected. When a file has been selected the
waveform will be displayed in the waveform view (in middle of the dialog). The
note boundaries are shown as vertical red lines. These indicate where the
audio detector will try to detect notes. For best results the red lines should
match the start of the notes as closely as possible. When the pattern length or
timing is changed the number of red lines and their spacing will increase or
decrease.
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Extract Rhythm and Extract Pitches. When Extract Rhythm is selected the
detector will affect the gate, slide and accent flags of the pattern. When
Extract Pitches is selected it will affect the pitches of the pattern. If only
Extract Rhythm is selected then the pitches of the current pattern will be
unaffected. If you wish only to load a waveform without affecting the current
pattern, disable both Extract Rhythm and Extract Pitches.
If any changes are made to the options or the pattern length the detector can be
invoked again by selecting the Update button near the bottom of the dialog.
Transport
The transport is used to play the waveform and pattern. A click on either play button
will start the playing and another click will stop. When the Match Tempo option is
selected the tempo of ABL2 will be set so that when the wave loops around the
pattern will loop around simultaneously. When the wave loops around the pattern will
always be triggered from the start regardless of the Match Tempo setting in order for
the pattern and wave to sync up.
Note: If the wave is playing it will continue to play after the dialog is closed.
Pattern setup
The number of steps in the pattern and the timing mode (triplet or non triplet) can be
set here.
Pattern
The pattern pane displays up to 16 steps of the pattern in five rows: Step number,
Pitch, Gate, Slide and Accent. At the bottom of the pane there is a slider which lets
you scroll in the pattern to access any of the 64 steps. It is possible to directly edit
the Pitch and the other flags by clicking on their boxes. When editing a pitch, click in
the box and navigate the cursor and type a new pitch to make your changes. The
format in which pitches are entered is note+accent+octave ([CDEFGAB][#|-][2-6]),
for example C#4 or A-3. Any valid changes are audible directly in the pattern. If an
invalid pitch is entered the last properly entered pitch will sound. If you are unsure
whether the entered pitch is valid or not click on the slider and move it; if the pitch
was invalid it will change back to pitch in the pattern.
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There are three buttons near the bottom of the pattern pane: View, Copy and Paste.
View displays the pattern in a text editor. Copy copies the pattern to the clipboard
and Paste pastes from the clipboard to the pattern. The copy and paste functions
work with the system clipboard and are useful when sharing patterns on-line or via email. If you wish to share a pattern simply select Copy and then switch to your
Internet browser or e-mail program and select Edit->Paste. If you wish to copy a
pattern from an e-mail or Internet page you select the text containing the pattern
(make sure you select all of the text, including the meta tag), then switch to ABL2
with the pattern analyzer open and click Paste.
Tip: The pattern can be edited with a text editor after clicking View. When your
changes are complete select all of the text and select Paste in the dialog.
Using the detector to transcribe 303 patterns
The detector was designed to aid users in moving their patterns from the analog unit
to ABL2. For best results follow these steps:
1.
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Center tuning knob or (preferably) tune the analog unit for A-220Hz.
Set Cutoff max, Resonance min, Envmod max, Decay max, Accent max
Set the sawtooth waveform
Set volume to about 30%. Make sure there is no clipping, especially at the
accents.
Set tempo to 50-60 BPM
Record the pattern
Isolate the pattern length (usually 16 steps) and trim any excess before and
after the pattern so that the wave file starts and stops flush with the
notes (the whole last note must be included).
Use the pattern detect function and browse to the saved pattern
Play the original wave and the detected pattern and fix any false notes with
the pattern pane
Due to this function operating within the limits of audio detection there is a bit of hit or
miss involved, so the results may vary depending on the pattern.
Example audio patterns can be downloaded from http://www.audiorealism.se.
Hint: The detection algorithm has no idea about the structure of the wave file (how
many bars or note steps there are or the timing). In order to improve the detection
clues can be given in the filename. For example, if the wave is an 8 step pattern the
filename can be set to 'Pattern_8steps.wav' (without the quotes). This will hint to the
detection algorithm that the pattern is 8 steps long. If the word 'triplet' (without
quotes) is in the filename the pattern will be set as triplet (example
'12steps_triplet.pat').
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Preferences
The preferences dialog is split into eight panes: General, MIDI, Graphics, Knob
Mode, Tuning, Sync, MIDI Mode, and Emulation. In order for ABL2 to recall your
preferences when it starts click the Save button after your adjustments. To recall the
factory defaults click the Set Defaults button.
Note: Certain options (like knob mode) are automatically saved when the plug-in is
closed, or if another event occurs (for example switching skins).
General
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Clear confirm: When activated the clear button on the main GUI will be
protected by a dialog confirming the action to avoid accidentally clearing a
pattern.
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Audition notes: When activated a note will sound when pressing the pitch
buttons on the main GUI.
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Clear notes on: Selects whether the gates should be set to on or off after
clearing a pattern.
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303 Style programming: This function is described more closely under the
specific topic in the manual.
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Load Knobs with Pattern: When selected any settings to the knobs and
switches that affect sound will be loaded with the pattern. Not all patterns
contain knob settings.
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Load Default Bank on Start: Selects if the plug-in should load the default
pattern bank when started.
MIDI
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Accent velocity: The Velocity threshold which MIDI input notes create
accented notes. When using MIDI output the accented notes are sent with full
velocity (127) and unaccented notes are sent with velocity one below the
selection (for example, if Accent velocity is set to 100, unaccented notes will
be sent with velocity 99). If Accent velocity is set to 0 accented notes will not
be distinguished from unaccented notes.
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MIDI Output channel: Selects the MIDI output channel when using ABL2 as a
MIDI output device.
Note: On Mac Audio Units ABL2 will only create a MIDI port when the MIDI output
channel is selected. If the MIDI channel is changed or set it may be required to
restart plug-in for the changes to make effect.
Knob Mode
Here you may set your preferred knob behavior. The default behavior is linear.
Note: Knob behavior is host dependent. Linear mode works in all hosts, while in
some hosts circular and relative circular behavior are the same.
Tuning
Selects the tuning: Standard (properly tuned) or Analog (detuned across the scale).
Sync
Selects the tempo sync mode: Internal or Host.
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MIDI Mode
Selects the MIDI mode: Pattern or Note.
Emulation
The emulation can be set up for individual taste.
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24dB (less overtone): The filter has less overtones (distortion) and sounds
cleaner, though slightly darker due to the steeper roll-off.
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18dB (emulated): Response is designed to be accurate to the 4-pole analog
filter. The amount of resonance and drive are controlled by the sliders
explained below.
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18dB (Pure): Has a clean sound but a uniform 18dB/Octave roll-off which
makes the filter sound brighter.
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Pre-gain: Controls the amount of pre-filter gain which affects the cleanness of
the sound. Moving the slider knob to the right will increase the gain and hence
the dirtiness. The factory default setting is in the center position.
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Filter Vcc: Controls the amount of simulated voltage that drives the filter. More
voltage will increase the sharpness of the resonance. In the maximum setting
the sound may be ear piercing. Each analog unit is set differently, for example
listen to Josh Wink's Higher State of Consciousness. The factory setting is
about 25%, which most units are set to or below. On the analog unit this
setting corresponds to trimpot TM6. While TM6 also affects the filter and
oscillator tuning on the analog unit it does not in ABL2.
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VCF Freq: The range of the filter can be adjusted. Decreasing the slider will
decrease the maximum resonant frequency but allow to make low muffled
sound. Increasing the slider will increase the lowest resonant frequency but
open up the top. The corresponding trimpot on the analog unit is TM3. The
factory default is set to 50%.
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Volume leveling: Checking the box will make the volume more even when
using the cutoff and resonance controls. Due to the nature of the filter design
increasing resonance also lowers the perceived volume (though the energy is
constant). This option is off by default.
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VCA Clicks: When selected the sequencer will emit a series of low volume
clicks in sync with the pattern. This also happens on the analog unit. ABL2 will
emulate these clicks when this option is selected. This option is off by default.
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Output Clipping: When activated the output will be clipped in an analog way if
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it exceeds a certain maximum amplitude.
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