Audacity 1.3.7 軟體資訊交流 Mac

What's new in this version:

Cross-platform Bug Fixes:
- Muting/soloing caused incorrect channel results in exported stereo files
- Noise Removal and all Nyquist effects pasted the original unmodified audio at the end of the modified region
- Noise Removal inserted a tail of low level noise at the end of the modified region
- Nyquist and Compressor plug-ins did not display moving bars in progress dialogue and over-estimated "Remaining Time"
- Cancelling Nyquist effects deleted unprocessed audio
- Change Speed and Change Tempo failed to modify the original selection length
- Cut lines invisible
- Fixed various bugs importing multi-stream files via FFmpeg
- File > Export as WAV could be corrupted if overwriting an imported WAV read direct from the file
- Export multiple "Other uncompressed files" choice always produced 16-bit PCM audio irrespective of chosen options.
- MP3 export usually produced a 128 kbps constant bit rate file irrespective of chosen options; reported length often incorrect
- MP3 ID3 Genre tag misread on import if the genre list in Metadata Editor was opened and saved
- Exported metadata tags in MP3, OGG and FLAC often not seen by player software - now substantially improved
- WMA exports (via FFmpeg)corrupted if metadata tags included
- Some multi-channel recording devices that previously recorded more than two channels no longer did so
- Generated audio did not fit in window
- No warning was given when saving an empty project
- Beep on completing longer process did not work on many systems
- fixed crashes importing lists of files (.LOF), in Meter Toolbar and Change Speed

Platform-specific Bug Fixes:
- Windows Vista: crash opening Preferences with no sound devices enabled and connected

Mac OS X and Linux:
- Spurious clipping at start of playback
- Labels did not accept certain legal characters
- Shortcuts did not work after running effects
- Project Rate did not change to respect rate of first imported file if that rate was unsupported
Mac OS X only:
- Crash resizing project window
- Menu items became inactive or visibly corrupted
- File > Open dialogue did not always work on OS X 10.4
- Impossible to set independent Command and Control shortcuts that shared the same key
- Freeze importing uncompressed files via On-Demand (please report any remaining instances of this to: [email protected])
- Portable settings were not picked up, instead settings were taken from the default location
- Fixed unavailability of FFmpeg installer

New Features:
- F11 Full Screen mode
- High-quality "Sliding Time Scale/Pitch Shift" effect
- Audio Contrast Analyzer for testing audio on the internet for WCAG2 accessibility compliance.
- Windows: sound devices can now be opened using the more efficient DirectSound API

Other changes:
- Latency correction should be improved for many users by employing a fixed rather than variable correction
- Grouping of Effects into categories turned off until a way is added for users to do so themselves
- Numerous minor interface improvements such as Metadata Editor navigation, new "hh:mm:ss + hundredths" selection format
- Note: Windows users wanting to export MP3 files will require the latest version of the LAME encoder from http://lame.buanzo.com.ar/