Qtractor è ottimo editor audio/midi multi-traccia, con interfaccia grafica molto ben fatta.Permette di modificare file audio e midi in maniera professionale
Se vogliamo conoscere tutte le novità della nuova versione 0.4.3 consiglio di consultare QUESTA pagina.
Per installarlo su K|X|Ubuntu basta scaricare il file .deb dal link posto sotto cliccarci sopra e confermare oppure aprire il terminale recarsi dentro la cartella e scrivere:
sudo dpkg -i *.deb
e poi
sudo apt-get install -f
confermiamo e alla fine avremo il nostro Qtractor installato.
Features, Requisisiti e Download dell'Home Page ufficiale:
Features
- Multi-track audio and MIDI sequencing and recording.
- Developed on pure Qt4 C++ application framework (no Qt3 nor KDE dependencies).
- Uses JACK for audio and ALSA sequencer for MIDI as multimedia infrastructures.
- Traditional multi-track tape recorder control paradigm.
- Audio file formats support: OGG (via libvorbis), MP3 (via libmad, playback only), WAV, FLAC, AIFF and many, many more (via libsndfile).
- Standard MIDI files support (format 0 and 1).
- Non-destructive, non-linear editing.
- Unlimited number of tracks per session/project.
- Unlimited number of overlapping clips per track.
- XML encoded session/project description files (SDI).
- Point-and-click, multi-select, drag-and-drop interaction (drag, move, drop, cut, copy, paste, paste-repeat, delete, split, merge)
- Unlimited undo/redo.
- Built-in mixer and monitor controls.
- Built-in connection patchbay control and persistence (a-la QjackCtl).
- LADSPA, DSSI, native VSTi and LV2 plug-in support.
- Unlimited number of plug-ins per track or bus.
- Plug-in presets, programs and chunk/configurations support.
- Unlimited audio effect send/return inserts per track or bus.
- Audio/MIDI clip fade-in/out (linear, quadratic, cubic).
- Audio/MIDI clip gain/volume, normalize, export.
- Audio clip time-stretching (WSOLA-like or via librubberband), pitch-shifting (via librubberband) and seamless sample-rate conversion (via libsamplerate).
- Audio/MIDI track export (mix-down, merge).
- Audio/MIDI metronome bar/beat clicks.
- Unlimited tempo/time-signature map.
- MIDI clip editor (matrix/piano roll).
- MIDI instrument definitions (a-la Cakewalk(tm)).
- MIDI controller mapping (mixer).
- MIDI system exclusive (SysEx) setups.
- JACK transport sync master.
- MMC control surface enabled.
- MIDI Song Position cueing support.
- Configurable keyboard shortcuts.
Requirements
The software requirements for build and runtime are listed as follows:
- Qt 4 (core, gui, xml), C++ class library and tools for crossplatform development and internationalization
http://www.qtsoftware.com/qt/- JACK Audio Connection Kit
http://jackaudio.org/- ALSA, Advanced Linux Sound Architecture
http://www.alsa-project.org/- libsndfile, C library for reading and writing files containing sampled sound
http://www.mega-nerd.com/libsndfile/- LADSPA, Linux Audio Developer's Simple Plugin API
http://www.ladspa.org/Optional (opted-in at build time):
Downloads
- libvorbis (enc, file), Ogg Vorbis audio compression
http://xiph.org/vorbis/- libmad, High-quality MPEG audio decoder
http://www.underbit.com/products/mad/- libsamplerate, The secret rabbit code, C library for audio sample rate conversion
http://www.mega-nerd.com/SRC/- librubberband, Rubber Band Audio Time Stretcher,
an audio time-stretching and pitch-shifting library
http://breakfastquay.com/rubberband/- liblo, Lightweight OSC implementation
(needed for DSSI GUI support)
http://liblo.sourceforge.net/- libslv2, Simple C library for LV2 hosts
(needed for LV2 support)
http://drobilla.net/software/slv2/- DSSI, An API for soft synth plugins with custom user interfaces
http://dssi.sourceforge.net/- VST SDK, Steinberg's Virtual Studio Technology
http://www.steinberg.net/- LV2, Audio Plugin Standard, the extensible successor of LADSPA
http://lv2plug.in/Qtractor's still in some alpha stage of development, but already functional. The bleeding-edge development source tree is readily available from the sourceforge's public Subversion repository. However there has been several so called pre-releases that might be representative of the project's shallowed milestones.
Latest release
2010-01-16 - The Frisky Demivierge.
qtractor-0.4.4.tar.gz
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