* “Plot Spectrum” command for detailed frequency analysis. * Spectrogram view modes for visualizing frequencies. * Create voice-overs for podcasts or DJ sets using Auto Duck effect. * Remove Vocals from Suitable stereo tracks.

* Adjust volume with Compressor, Amplify, Normalize, Fade In / Fade Out. * Alter frequencies with Equalization, Bass Boost, High / Low Pass and Notch Filter effects. * Remove static, hiss, hum or other constant background noises. * Change the pitch without altering the tempo (or vice-versa). * Envelope Tool to fade the volume up or down smoothly.

* Unlimited Undo (and Redo) to go back any number of steps. * Easy Editing with Cut, Copy, Paste and Delete. * Tracks with different sample rates or formats are converted Automatically in real time. * Sample rates and formats are converted using high-quality resampling and dithering. * Supports 16-bit, 24-bit and 32-bit (floating point) samples (Latter preserves the samples in excess of full scale). * Import and export AC3, M4A/M4R (AAC) and WMA with the optional FFmpeg library. * Export MP3 Files with the optional LAME encoder library. * Import raw (headerless) audio files using the “Import Raw” command. * Import MPEG audio (including MP2 and MP3 files) using libmad. * Import and export all formats supported by libsndfile Such as GSM 6.10, 32-bit and 64-bit float WAV and U / A-Law.

* Import and export WAV, AIFF, AU, FLAC and Ogg Vorbis files. Import sound files, edit them, and combine them with other files: Whether you are making music, podcasts, or audio books, Audacity is a very good tool to edit audios or music online. Audacity online is an audio editor to import your own audios, remove noise, cut and combine clips, apply special audio effects and much more in order to achieve professional results.