[LAU] [ANN] Qtractor 0.1.3 (frugal damsel) released!

Hector Centeno hcengar at gmail.com
Thu May 1 19:08:33 EDT 2008


wow! This is starting to look amazing. Nice manual. You are starting
off on the right foot... Although I wish it transcends the "bedroom".
Professional alternatives are needed too.

Are you thinking about implementing volume, pan and effects automatization?

Cheers and congratulations!

Hector


On Thu, May 1, 2008 at 6:25 PM, Rui Nuno Capela <rncbc at rncbc.org> wrote:
>
> Greetings,
>
>  After another quarantine period, I am pleased to announce (yet) another
>  maintenance release of my flag-ship toy, Qtractor, an Audio/MIDI
>  multi-track "bedroom" sequencer for the techno-boy (and girl:).
>  Probably, the major feature highlight for this release, is the new
>  optional support for in-place audio clip pitch-shifting through Chris
>  Cannam's Rubber Band Audio Time Stretcher library. This one alone just
>  closes the gap on the techno-boy/girl bedroom-studio prospects, so let's
>  move along, nothing really new to see here :) However, given there were
>  many inner changes in the audio rendering engine everything might just
>  sound a lot less glitchy than previous releases. Therefore, everybody is
>  welcome to upgrade. And please, don't be shy ;)
>
>    Qtractor 0.1.3 (frugal damsel) has been released!
>
>  Grab it while visiting the project pages:
>
>    http://qtractor.sourceforge.net
>    http://sourceforge.net/projects/qtractor
>
>  Here's some direct links to the most wanted pieces:
>
>    http://downloads.sourceforge.net/qtractor/qtractor-0.1.3.tar.gz
>    http://downloads.sourceforge.net/qtractor/qtractor-0.1.3-user-manual.pdf
>
>  And don't (ever) forget to drop by, over the upstream :)
>
>    http://www.rncbc.org
>
>  As usual, the complete change log is worth a look too, for the record:
>
>  - As one may find convenient sometimes, the global time display
>    format (frames, time or BBT) may now be changed on the main
>    transport time spin-box context menu.
>
>  - Left-clicking on the track list number column now toggles all
>    track content clip selection.
>
>  - Prevent audio-buffer initialization mashups when editing short
>    audio clips while playback is rolling and within clip region.
>
>  - Audio peak files gets a bit simplified, dropping the peak frame
>    count from its header; peak waveform graphics are now rendered
>    as straight lines when over the end of audio file.
>
>  - The drop-span option (View/Options.../Drop multiple audio files
>    into the same track) now also applies when importing tracks (as
>    in Track/Import Tracks/Audio...) to concatenate multiple audio
>    clips into one and the same new track.
>
>  - Audio and MIDI meter level colors are now user configurable (as
>    global configuration options, View/Options.../Display/Meters)
>
>  - First attempt for Qt4.4 build support, regarding the bundled
>    atomic primitives, which have changed upstream as advertised
>    (thanks to Paul Thomas, for spotting this one first time).
>
>  - Record monitor switch is now an accessible button option on all
>    track mixer strips; for visual consistency, the old bus "thru"
>    switch button has been renamed to "monitor".
>
>  - Force track-view position reset to origin on session close.
>
>  - Fixed segfault on inserting an external file into files widget.
>
>  - Mixer splitter sizes are now better saved/restored when closed.
>
>  - Track record monitoring is now a state option, being toggled
>    from the Track/State/Monitor menu; applies both to audio end
>    MIDI tracks: when set all input will be pass-through to the
>    current assigned output bus, including track plug-ins chain.
>
>  - Session dialog gets split in its own tab components, between
>    descriptive, time and view configuration ones.
>
>  - Drifting correction among audio and MIDI engines is now back,
>    but avoided while recording or should it be while looping?
>    (EXPERIMENTAL REGRESSION)
>
>  - Time-stretching percent value gets its semantics inverted,
>    as thought consistent with ones general sense for relative
>    stretching ie., lower to shrink and higher to make longer.
>    this is a major up-side-down change and should affect all
>    sessions saved with time-stretched audio clips.
>
>  - Slack space in main tracks and MIDI clip editor views are now
>    proportional to viewport width, leaving enough room for drag
>    and moving content past the current session length, specially
>    at the lower zoom levels.
>
>  - Clip end time is now also shown on tool-tip.
>
>  - When armed for recording, MIDI tracks are now monitored and
>    filtered through their own output bus, thus having the same
>    behavior as audio tracks; this also implies that all record
>    armed tracks won't playback their current content material
>    when recording is engaged and rolling; track mute and solo
>    states are now honored on record monitoring.
>
>  - Audio clip pitch-shifting makes its first appearance, with
>    the optional help from Chris Cannam's RubberBand library.
>
>  - A new MIDI editor tool is available: note/pitch randomize.
>
>  - Avoid (re)setting the default session directory if a session
>    cannot be open or loaded for some reason.
>
>  - Another nastiness bites the dust: a subtle but progressive
>    drifting has been swept away from the audio buffer looping;
>    zero buffer flushing is now also taken into account, which
>    was the cause for serious drifting on time-stretched clips.
>
>  - A major digital audio processing bug was tamed: audio clip
>    fade-in/outs are now linearly piece-wise applied, even at
>    the clip edges, giving a much smoother rendering and thus
>    mitigating the nasty click-and-pop artifacts that were in
>    fact due to some early design optimization with a poor and
>    sloppy implementation.
>
>
>  Cheers && Enjoy
>  --
>  rncbc aka Rui Nuno Capela
>  _______________________________________________
>  Linux-audio-user mailing list
>  Linux-audio-user at lists.linuxaudio.org
>  http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
>



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