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https://github.com/cookiengineer/audacity
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This bug was caused by dither being applied to all float output, and dither clips to +1/-1 to avoid high values, especially NaNs, polluting audio downstream. Dither was applied because of an incorrect fix for Bug 1572. The 1572 fix assumed SF_FORMAT_PCM_24 was a (1 << N) value, rather than from an enumeration. Hence a check involving it requires a mask, which it now has.
Audacity is an easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. Developed by a group of volunteers as open source.
- Recording from any real, or virtual audio device that is available to the host system.
- Export / Import a wide range of audio formats, extendible with FFmpeg.
- High quality using 32-bit float audio processing.
- Plug-ins Support for multiple audio plug-in formats, including VST, LV2, AU.
- Macros for chaining commands and batch processing.
- Scripting in Python, Perl, or any language that supports named pipes.
- Nyquist Very powerful built-in scripting language that may also be used to create plug-ins.
- Editing multi-track editing with sample accuracy and arbitrary sample rates.
- Accessibility for VI users.
- Analysis and visualization tools to analyze audio, or other signal data.
Getting Started
For end users, the latest Windows and macOS release version of Audacity is available from the Audacity website. Help with using Audacity is available from the Audacity Forum. Information for developers is available from the Audacity Wiki.