MultitrackStudio is an multitrack mixer/recorder that can host VST plugins.

It has the functionality of a multitrack recorder, a mixer, a MIDI sequencer, and combines it with a number of built-in effects. It is designed to be a quick solution to turn your computer into a digital multitrack music recording studio.

Key Features:

• Record new tracks while playing along with existing ones:
  - Audio (mono or stereo) and/or MIDI tracks.
  - Cycle recording: record multiple takes automatically.
  - Use the Varispeed control if your instrument's pitch differs from your song's (Pro Plus edition only) (more).
  - Record alternate takes with just one key press.

• Mix the tracks:
  - Unlimited number of groups and effect send/returns supported.
  - Route Group or Effect Return sections to soundcard outputs (Pro Plus edition only).
  - Mixer / Effects automation (Pro Plus edition only).
  - Use Song Versions to store/recall mixes.

• Enhance your mix with real-time effects:
  - Choose out of 19 high quality audio effects (more).
  - Use VST and DX plugins.
  - Add/move/remove effects on-the-fly.
  - Powerful effect sidechaining options (Pro Plus edition only).

• Use MIDI to play instruments you can't play or don't own:
  - Use the disk-streaming Sampler (reads .GIG, .SF2 and .SFZ patches).
  - Use VSTi and DXi plugins.
  - Use external synths and/or your soundcard's synth.
  - Use the Wheel Organ or Electric Piano (included with Pro Plus edition).

• Correct your mistakes:
  - Punch in/out recording.
  - Non-destructive audio editing.
  - MIDI pianoroll, notation, drum and controller editors.
  - Unlimited levels of undo.

• Easy to use, no frustrations:
  - Well though out design.
  - Wizard to perform basic tasks.
  - Context sensitive help system: press the F1 key to get help on the item the mouse points to.
  - Fast and reliable.

Technical Details:

• 32 bit audio processing.
• HP-TPD dithering with or without noiseshaping.
• 44.1/48 kHz samplerate (Pro Plus edition supports 88.2/96/176.4/192 kHz as well).
• 16 bit audio files (Pro Plus edition supports 24/32 bit and 32 bit floating point as well).
• Stereo soundcards supported using ASIO, WaveRT, MME or DirectSound drivers.
• The Pro Plus edition supports multichannel recording (up to 64 channels, using ASIO driver).
• Audio engine can utilise up to 8 CPUs.
• Automation (Pro Plus edition only) is sample accurate, except for VST/DX plugins.

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New in v8.3

• 'Tap tempo' boxes are more accurate.
• Practice Mode Tracks option in Audio track input selector
• Tempo editor: "Conduct" (tap new tempo for selected part). You can tap an accelerando for example.
• Tempo editor: Ctrl key can be used to create a gradual tempo change (accelerando/decelerando) while moving the righthand side of the selected part.
• Tempo editor now updates live while stretching or warping selected part.
• Tempo / Time Signature editor buttons (Undo etc.) can be controlled using keyboard shortcuts.
• Auto Wah effect.
• Punch recording with External MIDI Instruments: existing signal is now audible, just like it is with audio tracks and software instruments.
• Tempo editor: Undoing a "tweakable edit" now undoes the last tweak only, rather than all tweaks. All other editors work this way already.
• Tempo / Time Signature editor: lesser used buttons (Cut, Copy, Paste, Repeat etc.) are now in new 'More' menu.
• 'Add Click Track': BPM value is no longer limited to whole numbers.
• Various bug fixes.

New in v8.2

• Guitar Amp effect now features 3 stompbox effects.
• Guitar Amp now allows for loading your own speaker impulse response file.
• Convolutor effect now has Random button to make reverbs sound smoother.
• While the Automation button is engaged an 'A' appears on all controls which can be automated, so you can see what can be automated. (Pro edition)
• Edit menu now features several options for opening Multi MIDI Editor and has similar options for the Multitrack Editor. (Pro edition)
• Time Signature picker now allows for quickly picking any of the song's time signatures without having to type it.
• Noisegate effect improved, with the Reduction knob now having immediate effect on sound.
• Bugfix for Multiband Compressor compression algorithm
• Bugfix for VST and AU automation sometimes not being stored in song file.

New in v8.1.3

• The Bass, Snare and Side pads sound a bit louder in the top-left corner because they are typically played using the left hand.
• Includes over 160 effect presets by Christian C. Thompson.
• Onscreen keyboard: the volume slider can now be assigned to any controller (including pitch bend and note velocity).
• Some minor graphics/layout improvements.
• Mac: CPU Usage indicator now shows total CPU usage rather than just MultitrackStudio.
• Bugfix for Mac: some VST plugins were only partially visible.
• Bugfix for Song time signature/key signature info could change under some circumstances when importing a MIDI file.

New in v8.1.2

• Touchscreen (Windows): pianoroll, drum and score editors now optionally feature handles for manipulating selected notes.
• New "Handles for MIDI notes" option in the Preferences pane.
• AU, VST and External MIDI instruments no longer solely rely on 'all notes off' MIDI messages to mute pending notes.
• Exception errors while saving song are handled better to avoid data loss.
• Bugfix for missing text from OS X user interface
• Bugfix for multi-column rack VST/AU automation windows
• Various other bugfixes

New in v8.1

• Improved transport cycling
• Numerous other improvements
• Various bugfixes

New in v8.0

• Pro Plus' edition is now called 'Pro', 'Professional' edition is now called 'Standard'.
• Pro Edition has Multiband Compressor effect
• Improved the sound of all instruments
• New 'swing' options to quantize resolution box at the MIDI Editor
• Note velocity editor now has 'draw' mode.
• MIFI files can optionally be adjusted to song tempo.
• Mixer sections can be moved vertically using trackpad/mousewheel 'anywhere' (no need to use the scroll bar).
• Tracks can be switched to Practice Mode by doubleclicking the track's Play button.
• Tracks can now be in Practice Mode regardless of instrument or effect windows being visible.
• Having multiple tracks in practice mode simultaneously is now possible.
• Soft-monitored audio tracks: level meter shows speaker symbol to indicate output clipping (the meter itself shows the input level).
• Audio and MIDI files are now copied to song folder.
• 'Import Audio/MIDI file' dialog now remembers folder.
• New songs automatically have a Reverb effect in the first Effect Return section.
• Presets can be imported/exported (see Preferences window).
• Mac: 'Mix down to audio file' can now create .m4a file.
• BPM lower limit lowered to 8 BPM, so there's more room for fermata.
• External MIDI Instruments controllers are now being sent right from the start (it used to wait until a note was played).
• Various other bugfixes and improvements

New in v7.81

• Graphics updated to match OS X Yosemite.
• Bugfix for some SoundFont Player issues.
• Enhanced sf2 file compatibility.
• Level meters now work smoother with some audio devices.
  

  New in v7.8

  • New Matrix Sampler
  • New 'Matrix' and 'Chords' onscreen keyboards.
  • Editor data shown on overview bar while scrolling an editor.
  • Audio input level fader appears at top of the main window when it's needed
  • Automation of volume fader/pan knob now supported by MIDI tracks using External MIDI Instruments(works for playback only). (Pro Plus edition).
  • Enable Mixer button is removed from Song Properties window.
  • Various other improvements and bugfixes

  New in v7.71

  • Bugfix for 'Mix down to audio file' feature when used with pure MIDI tracks

  New in v7.7

  • Drum editor improvements and bugfixes
  • Audio editor control chnages
  • Track Editor bugfixes
  • Pianoroll/score editor bugixes
  • Remote Control UI changes and bugfixes
  • Various other bugfixes
  • Details here

  New in v7.61

  • Can now import/export zipped songs.
  • Performance improvements in Guitar Amp (Pro Plus edition), Master Limiter, and EQ effects.
  • Tighter timing for MIDI input/output devices
  • Enhanced touchscreen support
  • Various bugfixes

  New in v7.6

  • Select Devices window detects USB audio/MIDI devices which are plugged in/out.
  • SoundFont Player (requires OS X 10.7 or newer).
  • Show all effects in a mixer section simultaneously (keep 'M' key down while clicking slot).
  • "Mix Down to Audio File" window: Channels box defaults to Mono if Master section's Mono button a engaged.
  • MIDI controller / automation editor selector list items have subtle green dot if the editor contains any dots.
  • MultitrackStudio Instruments: some sound improvements.
  • Song editor: gridsnap now also works while there are no MIDI tracks.
  • Some user interface improvements.
  • Various bugfixes

  New in v7.4

  • 'To Song (Hi)' control surface action to make 'To Song' work with more than 128 songs.
  • Automation Editor (Pro Plus) and Automated Fader windows can be resized vertically.
  • Score editor has 'Split in equal parts' option, just like pianoroll.
  • Tempo editor: tempo line is now updated while moving it vertically.
  • Editor Edit/Delete and Undo/Redo buttons have been swapped.
  • Score editor: '1'..'6' and dot buttons are replaced with a single dropdown list next to the '+' button.
  • Score/pianoroll editor: 'Merge Notes', 'Expand to Chord' and 'Split in equal parts' now appear in 'More...' button list.
  • Drag-and-drop: an image is visible while dragging an effect slot or mixer section etc.
  • Bugfix for Pianoroll editor making notes with zero duration

  New in v7.31

  • Bugfix for VSTi plugins which use transport information that wouldn't cycle.
  • Bugfix for crash when Unmuting a stereo track which contains an Echo
  • Bugfix for crash when editing a new file, clicking undo, starting transport and then clicking redo.
  • Bugfix for Songs that have exactly one group section that won't open correctly
  • Bugfix for issue with adding notes using the '1'..'5' mouse modifier keys.