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Ample Bass Acoustic III is a virtual acoustic bass instrument based on samples of a Guild B-54 CE Acoustic Bass.

System Requirements:

ABA has a 4.89 GB sample library which is naturally recorded on every single fret. No destructive editing and dynamic processing are applied.
Features 12 articulations: Sustain, Palm Mute, Natural Harmonic, Hammer On & Pull Off, Legato Slide, Slide in & out, Pop & Slap and Dead Note.
The Legato articulations can be used to achieve legato notes of any duration, speed, pitch and polyphony.
Alternate Tuning: Ample Acoustic Bass supports alternate tunings to the lowest note B0.

New sample engine applied to both plugged and unplugged
ABA is designed from the ground up to be the most versatile bass virtual instrument available today with a new level of expressiveness. ABA not only performs as an extraordinary acoustic instrument by playback partially from mic samples, but also as an electric instrument by playback partially from DI samples, creating a more dynamic and subtle playing experience. Furthermore, users can mix and process Mics and DI separately to get a variety of sound.
Multiple stereo and mono modes
For Mic part, ABA provides two stereo and two mono modes. Users can adjust volumes of mics and width to get more options in stereo mode, in which ABA has rich expressiveness even for solo. For mono modes, ABA can play an important role of middle-low end in a band steadily.
Tab Player
Redesigned Tab Player for bass tab. All articulations and notations are supported by the tab player. Realistic Tab playback can be achieved through fine parameter adjustments and humanizations.
Multiple Capo Logics - providing various options of automatic fingering logic to cover different performance such as solo, chorus, and so on.

String Roll Editor: can clearly show fingering, articulation, expression, and even playing noise. Every note has 8 attributes - pitch, velocity, length, off velocity, articulation, legato, vibrato and bend, with which you can make a delicate lick.
Dice - Random Riff Generator: A click will create a new inspiration because it is not simply a random algorithm. Rather, it summarizes the rules through analyzing a bunch of music scores.
Multiple Formats Conversion: The conversion between Riff, MIDI, Tab multiple formats, Every fingering, articulation, expression, humanizations will be automatically converted to MIDI keyswitch and controller.

High order 8-band EQ, intuitive control of frequency response, real-time visualization of input and output spectrum, support of soloing single band..
2-Line Compressor, real-time visualization of input and output signal, two detection modes RMS & Peak, support of soft knee, auto release and auto makeup.
6-Tap Echo, real-time visualization of the processing of stereo signal, can tweak the parameters of 6 echo points individually: feedback, pan, volume etc.
IR Reverb, providing four types of IR: Room, Studio, Hall, and Larger Hall. 3D visualization of IR spectrum.