Audacity Free Audio Editor and Recorder

Audacity adalah sebuah software pengolah audio yang cukup terkenal dikalangan pengguna Linux. Tak hanya pengguna Linux, pengguna Sistem Operasi Windows juga dapat mencicipi software yang satu ini.

Audacity hadir dengan interface yang sederhana, namun memiliki kapasitas memadai dalam bidangnya. Beberapa kegunaan Audacity adalah untuk memotong dan menggabungkan file mp3, selain itu Audacity juga dapat digunakan untuk recording. Sebenarnya masih banyak kegunaan dari Audacity namun akan lebih nyaman jika anda mencobanya sendiri.

Screenshot :

Some of its bold features:

Timer Record and Sound Activated Recording features.
Dub over existing tracks to create multi-track recordings.
Record at very low latencies on supported devices on Linux by using Audacity with JACK.
Record at sample rates up to 192,000 Hz (subject to appropriate hardware and host selection).
Up to 384,000 Hz is supported for appropriate high-resolution devices on Linux.
Record at 24-bit depth on Linux (using ALSA or JACK host).
Record multiple channels at once (subject to appropriate hardware).
Import and export WAV, AIFF, AU, FLAC and Ogg Vorbis files.
Import raw (headerless) audio files using the "Import Raw" command.
Export MP3 files with the optional LAME encoder library.
Import and export AC3, M4A/M4R (AAC) and WMA with the optional FFmpeg library (this also supports import of audio from video files).
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.
Edit and mix large numbers of tracks.
Multiple clips are allowed per track.
Automatic Crash Recovery in the event of abnormal program termination.
Tracks and selections can be fully manipulated using the keyboard. Large range of keyboard shortcuts.

Effects:

Change the pitch without altering the tempo (or vice-versa).
Remove static, hiss, hum or other constant background noises.
Alter frequencies with Equalization, Bass and Treble, High/Low Pass and Notch Filter effects.
Adjust volume with Compressor, Amplify, Normalize, Fade In/Fade Out and Adjustable Fade effects.
Remove Vocals from suitable stereo tracks.
Create voice-overs for podcasts or DJ sets using Auto Duck effect.
Run "Chains" of effects on a project or multiple files in Batch Processing mode.