Qtractor
Qtractor is an
Audio/MIDI multi-track sequencer application written in C++ around the
Qt4 toolkit.
The Jack
Audio Connection Kit (JACK) for audio, and the Advanced
LinuxSound Architecture (ALSA) for MIDI, are the main infrastructures
to evolve as a fairly-featured Linux Desktop Audio Workstation GUI,
expecially dedicated to the personal home-studio.
Qtractor is a nondestructive sequencer and arranger.
It does
not affect, alter or modify in any way, the audio and/or MIDI files
that are displayed as Clip Objects. What is destructive are
files resulting from capture and recording operations, and
explicit changes made through
specialized Clip editing (e.g., MIDI Editor).
Qtractor is a fairly massive multithreaded
application. For
instance, each audio clip has a dedicated disk I/O executive thread,
which synchronizes with the master engine and, for all purposes, to
central JACK realtime audio processing cycle, through a
lockfree
ringbuffer
Qtractor 0.4.2
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Price
Free to download
Size
0.6MB
License
GNU GPL
Developer
Rui Nuno Capela
Website
qtrctor.sourceforge.net
System Requirements
Qt4
JACK
ALSA
libsndfile
LADSPA
Optional:
libvorbis
libmad
libsamplerate
librubberband
liblo
DSSI
VST SDK
Support
Sites:
Manual
Selected
Reviews:
Linux
Journal, Linux Journal
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Features include:
- Supports all sample rates only restricted by hardware.
- Supports multiple audio file formats, both compressed and
uncompressed, including older formats such as 8SVX and .iff
- Clip editing and automatic or manual Time Stretching
abilities
- Supports most major audio and MIDI file formats and most
Linux plugin technologies
- Clips, may be easily edited by simply dragging the left or
right edges for cropping, or even for timeshifting, by using the shift
key modifier
- Use in an audio mastering environment. Its integration with
JACK makes it possible to use mastering tools such as JAMin to process
the audio data
- Both an audio and MIDI metronome with user selectable audio
samples
- Easily move and copy plugins (with params) among tracks
- Keyboard commands (hotkeys) are entirely customizable
- Audition audio files within the Files dialog
- Built-in Qjackctl Connections dialog
- Support for Cakewalk instrument definition files
- MIDI editor
- Audio / MIDI export
- DSSI and Native VST Plugin Support
- Snap/Zoom Menu Accessibility
- OSC or D-BUS interface
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Last Updated Tuesday, August 11 2009 @ 01:57 PM EDT |