Audacity is a digital audio editor and recording application with extended possibility for sound handling. Audacity can be used for post-processing of all types of audio, including podcasts. It provides a wide range of options for finishing podcasts by adding effects such as normalization, trimming, and fading in and out. It allows editing Ogg Vorbis, MP3, WAV and all file formats supported by libsndfile library.
Program provides many options for physical editing several files such as cutting, patching, etc. Recording speed and tone pitch can be edited as well. Audacity can record external sound via microphone, in-built mixer or Line In channel. Some sound cards allow recording streaming sound.
- Importing and exporting WAV, AIFF, MP3, Ogg Vorbis.
- Importing sound in MPEG (including MP2 and MP3), using libmad.
- Exporting in MP3 via the LAME encoder.
- A large array of digital effects and plug-ins.
- Amplitude envelope editing.
- Noise removal.
- Recording from analog input, microphone or other sources.
- Volume indicator for volume before, during and after recording.
- RAW files opening (files without titles).
- Unlimited story for undo/redo actions.
- Fast changing big size files.
- Editing separate points of samples.
- Frequency reports using FFT filter and bass enforcing effect.
- Resampling and dithering.
- Spectrographic analysis and tracks displaying.