Install Audacity 2.1.2 in Ubuntu 15.10 / 14.04LTS / LinuxMint

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Audacity is an open source cross platform software for recording and editing sounds , audacity released it's latest version 2.1.2 on January 20th with new features and bug fixes

It supports multiple operating systems Windows, linux and Mac, and for the features refer this link and in this version comes with wxwidgets 3.x stability.

Audacity 2.1.2 Changelog

Effects:
Noise Reduction defaults changed.

Interface:
We’ve made several improvements to the spectrogram view of tracks which are particularly valuable for vocal work.
New option ‘Spectral Reassignment’. This algorithm deduces a ‘finer’ spectrogram for vocal work.

Four new Spectrogram scales.
Improvement to the Pitch (EAC) algorithm – cleaner (sharper) display.
Spectrogram Settings are now available per-track.

Other Changes:
Upgraded from wxWidgets 2.8.12 to wxWidgets 3.0.2.
Restructuring of the Preferences Menu
Restructuring of the Track Dropdown Menu (for the Spectrograms)
The Noise Reduction "Frequency smoothing" default has been increased to 3 to help avoid metallic artifacts. Resetting Preferences or deleting audacity.cfg will set the new default.
(Windows) The location of Audacity's work-in-progress folder has been changed, to avoid problems where certain disk cleaners treated them as deletable temporary files.

Bug Fixes & crashes:

Crashes on reading very large .wav and .mp2 files have been fixed.

For detailed release notes refer this link


Installation steps

Audacity is available in PPA so it is very easy to install 

Step 1 : Download the official PPA and add to the repos
sudo add-apt-repository ppa:audacity-team/daily
step 2: Update the repos
sudo apt-get update
Step 3: Install the audacity
sudo apt-get install audacity
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