Audacity

The "Effect" menu allows applying noise removal (by taking a noise profile) and normalization.

Audacity is a free, open-source, digital audio workstation (DAW) application that has served as a staple tool for podcasters, musicians, and audio hobbyists for decades. Released in 1999, it is designed for ease of use, focusing on recording, editing, and producing audio without the complexity or cost of high-end professional software.

Final projects can be exported to multiple formats, including MP3 (suitable for podcasts), WAV (high-quality audio), and FLAC. Key Considerations for Long Recordings (Podcasts/Lectures) Audacity

The interface shows a waveform view, enabling precise cuts, splitting of audio clips, and fading. The Audacity Workflow

The Selection Tool allows cutting out mistakes, while the Envelope Tool helps manage volume changes over time. The "Effect" menu allows applying noise removal (by

Users can edit multiple tracks simultaneously, allowing for the mixing of voice, music, and sound effects. The software supports cut, copy, paste, and delete operations, with unlimited "Undo" actions.

Audacity includes a "Change Tempo" tool, which allows stretching or shrinking the length of an audio clip without altering its pitch, and "Change Speed" for altering both. Final projects can be exported to multiple formats,

Key effects include Noise Reduction (to remove background noise), DeEsser/DeClicker (plugins for cleaning speech), compression, equalization (EQ), and normalization to even out volume levels.