Audacity is een opensource audio-editor dat beschikbaar is voor Windows, Linux en Mac OS X. Het programma kan geluid opnemen, wav-, aiff-, ogg- en mp3-bestanden importeren en exporteren en heeft een ongelimiteerde undo-functie. Daarnaast heeft Audacity een hoop effecten aan boord, zoals fade-in en fade-out, echo, tempo veranderen en ruisonderdrukking. Meer effecten kunnen eenvoudig worden toegevoegd, want het programma ondersteunt zowel vst- als ladspa-plugins. De ontwikkelaars hebben de eerste release candidate van versie 1.3.6 in de unstable-tak uitgebracht, die momenteel alleen voor Windows-systemen beschikbaar is. De meegeleverde lijst met veranderingen sinds de vorige vermelding in de Meuktracker ziet er als volgt uit:
Changes in 1.3.6a6:
Interface:Import / Export:
- Note Track now supports export as a MIDI file
- Linked audio and label tracks: improved support when source and target number of tracks differ and when cross-pasting different track types
Effects:
- On-demand now supports project saving during summarising; reverts to stripey background; fixed some crashes due to threading issues
- Exports: Single AAC filter (M4A LC profile) with quality settings slider; removed FFmpeg formats already supported by Audacity; added explicit GSM 6.10 (WAV) filter; current project rate now used for all exports, with check for format-invalid rates; improvements to metadata support
Changes in 1.3.6a5:
- LV2 plug-ins: added support (OS X and Linux only) for using synths as tone generators, scale point labels, grouped controls and i18n translations
Interface:Import / Export:
- Note Track now builds on Windows
- Fixes/improvements for linked audio and label tracks (one desynchronisation bug remains when pasting audio into a greater number of tracks than were copied); now supports label shifting when changing pitch and tempo
- Added full label pasting support: now possible to paste multiple labels, region labels and labels with audio, and correct label text is now pasted
Effects:
- Added full "on-demand" support (now with minimum file length of 30 seconds): clicking moves summary calculation point; supports split and merge of stereo tracks; incompletely summarised tracks resume summary calculation automatically; text-based Status Bar progress indication and animated dummy waveform instead of embedded progress bar
Miscellaneous:
- Fixed a bug where previewing Equalization curves more than once previewed the unmodified audio
- Improvements to DTMF generator
Changes in 1.3.6a4:
- Improved support for working with audio in excess of 2^31 samples (about 13.5 hours at 44100 Hz); some accessibility improvements
Interface:Import / Export:
- New Preference: Default View Mode, to choose type of waveform, spectrum or pitch view for new tracks
- Note Track: experimental support is now enabled by defining USE_MIDI in config*, but does not build out-of-the-box on Windows
- Bug fixes for linked audio and label tracks; now supports label shifting when changing speed and generating tones
Effects:
- Improvements/fixes for AAC exports including new M4A filter for compatibility with iTunes; RealAudio export support removed - FFmpeg does not support this properly
- Improved refresh of on-demand loading; fixed a phantom on-demand progress bar when time-shifting clips
Changes in 1.3.6a3:
- Experimental support for LV2 plug-in architecture on Linux and Mac, but operation may be buggy; no LV2 support yet on Windows, because the required slv2 library currently does not build
Import / Export:Interface:
- Experimental support for exporting a much wider range of proprietary audio formats via FFmpeg
- "On-demand" immediate loading of imported PCM WAV or AIFF files now has experimental "progress bar" embedded in the waveform until fully loaded
Changes in 1.3.6a2:
- Note Track: experimental support for cut, copy and paste using Edit Toolbar; currently not available for Linux, where EXPERIMENTAL_NOTE_TRACK must be undefined in order to build
- New Transport menu for alternative access to play and record commands and some recording preferences
- Audio tracks are now linked to label tracks by being positioned above a label track, if linkage is enabled in the Tracks menu
Import / Export:Effects:
- Experimental support for importing a much wider range of audio formats via FFmpeg: support has to be enabled in *config when building and requires FFmpeg libraries
- Experimental support for "on-demand" immediate loading of imported PCM WAV or AIFF files (full waveform continues to load while you play or edit).
Interface:
- Built-in plug-ins now grouped into related categories
Miscellaneous:
- New Debug Log window available in all builds
- Experimental support for linking a label track with any number of audio tracks so that labels shift with cuts and inserts in the audio track
- Default theme now reverted to that of 1.3.5
- Recording channels preference now defaults to stereo
Changes in 1.3.6a1:
- Bug fixes for shortcut availability/tab order in Selection Bar, and for window focus issues when previewing effects
- Improvements in escaping and navigating fields in dialogs, and in stabilty when screen readers are used
Interface:Compilation:
- Further improvements to menu navigation and wordings.
- All file dialogs are now resizable, and support "Places" sidebar on Windows 2000 or later.
- Preferences:
- New "Theme" preference for modifying interface colours and images, with experimental new default colour scheme.
- New "Smart Recording" preference automatically pauses recordings that fall below a pre-defined input level.
Miscellaneous:
- Simplified modular builds for Windows, removing static-linked configurations.
- New shared configurations on Mac to support modular builds, and all builds are now Unicode.
- Default auto save interval reduced to 2 minutes.
- Bug fixes to correct project rate initialisation on Linux, and file importing issues on PPC Macs.
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