segunda-feira, 12 de dezembro de 2011

Audacity 1.3.14 Beta

Foi lançada ontem a versão 1.3.14, que dá mais um passo rumo à versão 2.0 final, que se aproxima (ou não...). Apesar do "Beta", é a versão recomendada, principalmente para usuários do Windows Vista/7 e Mac OS X 10.6/10.7, pois a versão "estável", 1.2.6, é velha demais, possui problemas de compatibilidade com estes sistemas e não está mais em ativo desenvolvimento.

A versão 2.0, que se originará da 1.3 Beta, será a última a ter suporte a Windows 98/ME. Versões posteriores exigirão no mínimo Windows 2000.

Estão disponíveis na página do projeto compilações prontas para Mac OS X 10.4 e posteriores (Intel/PPC), para Windows 98/ME (!), 2000/XP/Vista/7, além do código fonte.

Changelog da versão:

2. Changes in version 1.3.14 Beta:

Bug fixes for:

 * Interface:
    * Excessive delay occurred when typing into labels in long projects.
    * Last digit of TimeText controls could not be manipulated in some formats.
    * (Windows, OS X) Play and Record shortcuts did not work after clicking in Device Toolbar.
    * (OS X, Linux) Crash occurred if Toolbars were reset during playback or recording.

 * Imports and Exports:
    * MP2 files were not importable without FFmpeg library or an import rule.
    * Files that could only be imported using FFmpeg imported as noise with no error message if FFmpeg was not available.
    * Files containing PCM audio but an incorrect extension (such as MP3) caused a freeze.

 * Effects and Analysis:
    * An empty command could be added to a Chain which then displayed a Nyquist error message when run.
    * Plot Spectrum didn't preserve signal level if multiple tracks were analyzed.

 * Other bug fixes:
    * Audacity has been provisionally fixed so that it can no longer create block files longer than the sample format or project format allows, and can no longer delete these, which led to data loss. Any overlong blocks found are preserved but "orphaned", so will appear as silence.
    * Orphan block files were wrongly reported if cutting or copying to the clipboard then reopening the project in the same session.
    * Fixed some crashes and incorrect movement of audio when dragging tracks.
    * (Windows) Data loss is now prevented when encountering a corrupted .aup file created in ANSI builds.
    * (Linux) Restore building if USE_PORTMIXER is not defined.

Changes and Improvements:

 * Normalize: Faster processing and improved interface. Left-right balance in unsplit stereo tracks is now preserved by default, with a checkbox option provided to process stereo channels independently.
 * Spectrograms now allow window sizes up to 32768 and frequencies up to half the sample rate (the maximum possible).
 * Mix and Render now preserves clip length by not rendering white space between time zero and first audio, and preserves audio before time zero. To retain silence before the audio starts, generate silence after render.
 * Grouped some Edit Menu items into "Remove Audio" and "Clip Boundaries".
 * CleanSpeech Mode removed from Interface Preferences (it still runs if it was enabled in a previous Audacity but can only be turned off there).
 * (OS X) Added support for AudioUnit MusicEffects (but no MIDI support).
 * (Linux) Set the per-user files directory per the program name set in configure.
 * (Linux) Changed the default location of the Audacity temporary directory to be in /var/tmp not /tmp, so preserving the directory between reboots.

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