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===Introduction=== | ===Introduction=== | ||
०७:४५, ८ अगस्त २०१८ के समय का अवतरण
Introduction
Audacity is a free and open source multi-track audio editor and recorder for GNU/Linux, Windows, Mac OS X and other operating systems.
Basic information
| ICT Competency | It is a generic audio resource creation and editing tool. |
| Educational application and relevance | You can use this tool to create own voice recordings, modify existing audio recordings as per your academic requirements. You can mix multiple audio's together to create educational resources. |
| Version | Audacity Version 2.1.2 |
| Other similar applications |
|
| The application on mobiles and tablets | Ringdroid, using Fdroid -
WavePad Audio Editor, using Google Play store |
| Development and community help | Audacity Team |
Overview of Features
- Importing and exporting of wav, aiff, mp3, ogg Vorbis file formats.
- Recording and playing back sounds.
- Editing via cut, copy, and paste, with unlimited levels of undo.
Installation
- The application is part of the Ubuntu custom distribution.
- In case you do not find it on your computer, you can install by typing
Audacityon top search bar in Software Centre. - If you would like to install through the terminal follow these steps below:
- Open terminal by clicking Applications->System Tools->Terminal or through Keyboard shortcut
Ctrl+Alt+T - In the terminal window, type below command and press enter to start the installation by providing your machine password:
sudo apt-get install audacity
- Open terminal by clicking Applications->System Tools->Terminal or through Keyboard shortcut
Working with the application
Obtaining Audio from different sources
Audio file can be obtained from many different sources such as audio recorders in phone, camera or laptops. Audio recording in laptops can be done using Audacity which is explained in Step 3 below. Similarly audio can be recorded in other recording devices and transferred to a laptop to edit them using Audacity. Importing audio files from different sources to the laptop is explained in Step 8 of Learn Ubuntu page.
Recording with Audacity
Step 1 -This can be opened from Applications > Sound & Video > Audacity
Step 2 - When you open the Audacity application, it will show the window as above
To start recording, click the red record button in the Toolbar as shown in the left image. Begin talking or playing any audio and continue for as long as you want. When you feel you've recorded enough, click the yellow stop button. Until you stop the recording, other functions on the Menu and Toolbar will be disabled. You can record an audio playing on your computer itself, or playing in an another external audio device
Importing audio and multiple tracks
- Import Audio in Audacity.png
Importing Audio
Audio track and adding new track
Multiple tracks
To import audio, click File -> Import -> Audio from the menu as shown in the first image above. Choose the music file from your computer, and then click on Open. Once you import an audio clip it will appear in Audacity as an audio track as you can see in second image. If you want to add multiple tracks, you can do so by clicking on Tracks -> Add new -> Audio track from the Menu as shown in the same second image. With use of multiple tracks, you can record and at the same time import several audio tracks to work in Audacity as shown in third image above.
Basic audio editing
Selection of Audio
Cutting selected audio
Pasting selected audio
Ctrl+X), copy(Ctrl+C) and paste(Ctrl+V) will also work on Audacity. Once you are done with editing, the final audio can be exported to any audio format from the Menu by clicking on File->Export and then Save.
Saving and exporting to different formats
- All the edits including files can be saved in uncompressed, lossless quality using the AU format. An AUP project file is created, along with a folder with the same name as the AUP file that contains the project's audio data. For example, if you save a project as
chanson.aup, a folder calledchanson_datawill contain the audio data. We can save the AUP project file with keyboardCtrl+Sshortcut or through File->Save from the Menu. - Exporting to different audio formats can be done with
Ctrl+Shift+Ekeyboard shortcut or by clicking on File -> Export through Menu. List of all available export formats supported by Audacity can be found here.
Advanced features
Audacity is a full-fledge audio editor which has many advanced features. This page lists tutorials that provide step-by-step instructions for performing all the interesting things with audio in Audacity.
Ideas for resource creation
This tool can be used to create own voice recordings, modify existing audio as per academic requirements and to mix multiple audio files together to create educational resources.
