Audacity is a free open-source audio editor in English that works with multiple audio files on different operating systems.
Audacity features:
- recording audio tracks from a microphone or line input;
- If you have a multichannel sound card, you can record many channels at once;
- tempo and pitch control
- noise correction;
- working with file regions: trimming and insertion of parts of one track or separate records to another;
- mixing of two or more audio files;
- widgets of spectrum graphs and recording indicators for convenient work;
- ability to perform spectrum analysis with transformations;
- proprietary libsndfile library, with which all finished files are saved in different formats;
- program recognizes all tags in MP3 tracks;
- A large set of effects and extensions, widely used in the processing of audio signals;
- WAV, FLAC and MP3 files can be imported and exported using a special encoder;
Audacity is great for sound engineering beginners: its interface, based on wxWidgets library, is fully russified and intuitive.
Hot-key system makes working with the application easy. The Audacity audio editor is also known for its free distribution and cross-platform nature - the program is available for Windows, macOS, and Linux operating systems.