Audacity is really a free, easy-to-use and multilingual audio editor and recorder for Home windows, Mac OS X, GNU/Linux along with other os's.
Audacity can record live audio via a microphone or mixer, or digitize tracks from cassettes, records, or minidiscs. With a few seem cards, Audacity may also capture streaming audio.
Record from microphone, line input, USB/Firewire products yet others.
Device Plugin handles multiple input and output products.
Timer Record and Seem Triggered Recording features.
Dub over existing tracks to produce multi-track tracks.
Record at high sample rates more than 192Thousand Hz (susceptible to appropriate hardware).
Record multiple channels at the same time (susceptible to appropriate hardware).
Level meters can monitor volume levels before, throughout after recording. Clipping can be shown within the waveform or perhaps in a label track.
Import and Export
Import seem files, edit them, and mix all of them with other files or new tracks. Export your tracks in several file formats, including multiple files at the same time.
Import and export WAV, AIFF, AU, FLAC and Ogg Vorbis files.
Fast “On-Demand” import of WAV or AIFF files if read from source.
Import and export other formats based on libsndfile for example GSM 6.10, 32-bit and 64-bit float WAV and U/A-Law.
Import MPEG audio (including MP2 and MP3 files) using libmad.
Import raw (headerless) audio recordings while using “Import Raw” command.
Create WAV or AIFF files appropriate for burning to audio Compact disc.
Export MP3 files using the optional LAME encoder library.
Import and export AC3, M4A/M4R (AAC) and WMA using the optional FFmpeg library (this supports import of audio from video clips).
Supports 16-bit, 24-bit and 32-bit (floating point) samples (the second preserves samples more than full scale).
Sample rates and formats are converted using high-quality resampling and dithering.
Tracks with various sample rates or formats are converted instantly in realtime.
Easy editing with Cut, Copy, Paste and Remove.
Limitless consecutive Undo (and Redo) to return a variety of steps.
Edit and blend large amounts of tracks.
Multiple clips are permitted per track.
Label tracks with selectable Sync-Lock Tracks feature to keep tracks and labels synchronized.
Draw Tool to change individual sample points.
Envelope Tool to fade the amount up or lower easily.
Automatic Crash Recovery in case of abnormal program termination.
Ease of access
Tracks and choices could be fully altered while using keyboard.
A lot of different keyboard cutting corners.
Excellent support for JAWS, NVDA along with other screen visitors on Home windows.
Alter the pitch without changing the tempo (or vice-versa).
Remove static, hiss, hum, or any other constant background noises.
Alter wavelengths with Equalization, Bass Boost, High/Low Pass and Notch Filter effects.
Adjust volume with Compressor, Amplify, Normalize and Fade In/Out effects.
Remove Vocals from appropriate stereo system tracks.
Create voice-overs for podcasts or DJ sets using Auto Duck effect.
Other built-in effects include:
Add new effects with LADSPA, Nyquist, VST and Audio Unit effect plug-inches.
Effects designed in the Nyquist programming language can be simply modified inside a text editor – or even write your personal plug-in.
Spectrogram view modes for imagining wavelengths.
“Plot Spectrum” command for detailed frequency analysis.
Contrast Analysis for examining average rms volume variations between foreground speech and music.
Support for adding VAMP analysis plug-inches.
Introducing Audacity: the Free Sound Editor - Envato Tuts+ ...
Multitrack Recording with Audacity Digital Sound Editor