User Guide

CHP. 2 WHAT’S NEW?
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MIDI event list editing
ACID 4.0 includes a list editor OPT plug-in that gives you direct access to all MIDI data for a track. You can
use the list editor to add, edit, quantize, and delete MIDI events or to step record new MIDI material. For
more information, see Using the list editor on page 140.
VSTi support
You can route MIDI tracks in an ACID 4.0 project to a VST
®
instrument (VSTi) using the new soft synth
controls in the Mixer window. For more information, see Using soft synth controls on page 115.
Yamaha OPT support
ACID 4.0 is an early adopter for Yamaha's new Open Plug-in Technology (OPT) specification. You can
choose any OPT plug-in (including a piano roll editor and a list editor included with ACID) to edit a MIDI
track. This expands ACID's MIDI capabilities to allow plug-ins for MIDI edit views, MIDI effect processors
and filters, arpeggiators, and real-time panel automation. For more information, see Working with MIDI on page
131.
Optimized DLS and VSTi soft synth controls
With this release, you can route MIDI tracks to a soft synth control in the Mixer window. The soft synth
control acts as a sound module, allowing you to choose a DLS set or VST instrument to which you can route
MIDI tracks or external MIDI input devices. For more information, see Using soft synth controls on page 115.
Workspace
Multiple media file previewing and Explorer enhancements
The Explorer allows you to select multiple files and preview them in sequence. For more information, see
Previewing multiple media files on page 35.
You can also rename media files from within the Explorer window. Simply right-click a file, choose
Rename
from the shortcut menu, and enter a new name for the file.
Hotkey commands for track muting and soloing
Press to solo or to mute selected tracks or busses in your ACID 4.0 project.
Optimized ACID playback
The new ACID audio engine is designed to take advantage of the latest processing power, allowing you to
enjoy significant performance increases during playback.
Autosave crash recovery
ACID automatically saves your work for you so that you can recover your work if your system crashes. For
more information, see Using the General tab on page 179.
Customizable default track properties
You can choose the default volume, pan type, height, track effects, and MIDI editors for all new tracks you
create in ACID. For more information, see Setting default track properties on page 178.
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