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Abeem Rack Performer 0.98-beta

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Abeem Live Technologies has updated Rack Performer to version 0.98-beta.

This release concentrates on synchronization and time keeping in general, with some features for those working with external musical gear (drum machines and sequencers) and for electronic musicians playing in a band.


New features:

  • Full-slave synchronization mode, with start/stop, rate and phase locking
  • Live synch mode, allow to join and synch to a running master, while retaining both rate and phase locking
  • Master clock transport control can be received, when "transport input" is enabled, with selectable protocol and source
  • 5 different synchronization schemes to offer a tradeoff between tracking accuracy and wow/flutter effect
  • Clock input control using MIDI Timecode protocol (MTC)
  • Clock input control using MIDI Clock protocol
  • Transport control input using standard MIDI protocol (Start / Stop / Continue / SongPositionPtr)
  • Transport input control using MIDI Machine Control protocol (Play / Stop / Locate / Reset)
  • Transport input control using MIDI Show Control protocol (Start / Stop / Set / Zero)
  • Transport input control using first MIDI note received (start only)
  • Transport input control using space key on local keyboard (Ctrl+space to restart)
  • Metronome with LED display GUI (useful for drummers) bar/beat/sub enable and volume controls
  • Metronome internal MIDI mode (sends notes to any internal instrument to use as a metronome)
  • Module execution order can now be altered using the new Patch execution order dialog
  • Master clock location can be displayed in timecode format on transport bar
  • Tempo can be displayed in quarter notes per minute (QNPM), beats per minute (BPM) or compound beats per minute (CBPM)

Minor modifications:

  • Added preliminary Windows 8 support
  • Skew up and down controls in tranport bar now have an associated global control port (rate bias, mappable)
  • Tempo Tap control in transport bar is now a global control port (mappable)
  • Synchro offset global control port and transport bar control (used to compensate latencies during sync)
  • Sync-to-Push control in transport bar is now a global control port (mappable, increased precision)
  • Added new hidden synchro option to reset internal master clock tempo and rate bias to nominal values on synchro exit
  • Added new hidden VST compatibility option to emulate clock rate skew with tempo change events
  • Increased maximum usable memory to 3GB on 32 bit systems (nominal, with 4GT enabled) and 4GB on 64 bit systems
  • Improved Pentium TSC calibration (again)
  • Improved tick counter calibration and chipset detection
  • Improved high performance counter calibration and chipset detection
  • Improved CPU features detection
  • Added "locate" function to master clock in transport bar (accepts any time display mode)
  • More consistent modal dialogs keyboard handling (faster workflow)
  • Streamlined MIDI configuration cinematic (no need to manually enable after adding devices, and other details)
  • MIDI keyboard lock is now restored after loading document
  • VST plugins can now be reset to their initial state like any other module
  • Added new hidden option to increase protection against faulty plugins
  • Added new hidden options to enable MMCSS per thread and to fine tune priority boosts
  • Added new hidden options to select MMCSS profiles per thread
  • Improved GUI refreshing efficiency (use less resources)
  • New "optimal" GUI refresh mode (automatically select the most appropriate refresh rate)
  • Added new option to use aggressive scheduler timings (improve timing precision at the expense of CPU power, when off: defaults back to 1ms)
  • Added new hidden option to reduce Aero desktop interferences (lower Aero thread priority, default: on)
  • Custom MMCSS profiles are added to the registry by the installer
  • When "standard MIDI control" is selected for transport in, MIDI time-sig changes (sysex) are supported (but quantified)
  • In samples time display mode, locating transport shifts by an amount equal to the audio output latency
  • Holding a modifier key (ctrl or shift) when locating transport allows to use smaller increments
  • In musical time display mode, locating transport stays in sync (no clock discontinuity)
  • Transport "FF" and "RW" effect depends on selected time display mode (smart locate)
  • VST plugins now properly receive timecode information
  • Default timecode format for new documents can be set from "live" menu
  • Timecode format for the current document can be set from "live" menu
  • Timecode start offset can be set from the "Timecode format" sub menu
  • Tempo tap now properly takes compound beat (dotted) time signatures into account
  • VST path is now guessed by automatic configuration
  • Added a new hidden compatibility option to enable UAC virtualization (can fix some legacy VST plugins)
  • New performance profile selection dialog during first run
  • Most advanced options are now auto-configured during first run
  • Simplified VST configuration (no longer requires two distinct paths, second is now an extra optional path)
  • Improved cached VST scan speed (removed redundant checks)
  • Added an extra category to list controller modules (RBC/automation/RMC/etc)
  • Improved status dumps quality to ease user support
  • No longer selecting Microsoft GW Synth during auto-configuration
  • No longer displaying warnings when powering on with disconnected MIDI devices
  • Improved mouse-centric zoom in patcher (smoother)
  • No longer displaying VST preset mode selection when creating module (default value can be set in config)
  • Pressing Ctrl or Shift when creating a VST module displays preset mode selection (old behaviour)

Bug fixes:

  • A lot of different looking and severe crashes could happen when configuring running wave engines with MIDI enabled (especially under WinXP)
  • Master input module control ports were incorrectly latency compensated (PDC)
  • An unfortunate regression made all Bypass ports (Cut-ports) globally ineffective
  • Removing module MIDI routings (omni-mode) did not work
  • Embedded GUI wrappers (racked and frame) could display incorrectly in multiple monitor setups
  • Percent inc/dec keyboard mappings now properly works for controls with small range
  • Fixed some edge cases around keyboard mapper calibration cinematic
  • Under some circumstances screen switchers could revert to screen 1 when powering on
  • Corrected an issue that could lead to the master inputs module failing (and possibly other modules)
  • Transport "SyncToPush", "FF" and "RW" now have no effect when tempo is near zero using musical time display mode
  • Corrected a bug where modules with processing latency had a wrong latency compensation on their control events
  • PDC induced latencies are now properly included when VST plugins request precise latencies
  • Resuming from OS sleep mode could leave openGL patcher in a corrupted state
  • Corrected a timing related crash happening sometimes when closing documents with VST modules
  • ASIO engines didn't run with some particular drivers (JACK-Router, possibly others)
  • With VST SA-emulation option on, recalling presets made plugin crash (both chunks preset mode)
  • Moving objects and resizing zones in patcher could be glitchy sometimes, now it's smooth again
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