Changes

Audacity is very powerful audio editor, with many sophisticated features. For advanced features, refer to the [http://manual.audacityteam.org user manual] and [http://manual.audacityteam.org/man/tutorials.html tutorials]. However, we will learn a few commonly used functions, in audio editing, which are useful to teachers in creating and re-purposing OER:

Audacity is very powerful audio editor, with many sophisticated features. For advanced features, refer to the [http://manual.audacityteam.org user manual] and [http://manual.audacityteam.org/man/tutorials.html tutorials]. However, we will learn a few commonly used functions, in audio editing, which are useful to teachers in creating and re-purposing OER:

# Moving a selection of audio

# Moving a selection of audio to rearrange audio

# Adding a background music track

# Adding a background music track to an audio

# Reducing background noise levels

# Reducing background noise levels

==== Combining audio clips ====

==== Moving and combining audio clips ====

Just like you can cut (or copy) paste a selection of text in a text document, you can cut (copy) and paste a selection of audio in an audio file. You can use this function to remove any part of the audio clip you do not want. You can move a part of a clip from one place to another (for instance if you want to re-order responses in an interview). You can also delete a part of the clip also using the same functionality.

Just like you can cut (or copy) paste a selection of text in a text document, you can cut (copy) and paste a selection of audio in an audio file. You can use this function to remove any part of the audio clip you do not want. You can move a part of a clip from one place to another (for instance if you want to re-order responses in an interview). You can also delete a part of the clip also using the same functionality.

[[File:Copying_or_moving_a_selection_of_the_audio_file.png|none|thumb|500x500px|1. Selecting a  audio clip to move]]

[[File:Copying_or_moving_a_selection_of_the_audio_file.png|none|thumb|500x500px|1. Selecting a  audio clip to move]]

{| class="wikitable"

{| class="wikitable"

![[File:Cut selected audio clip for moving to other place - audacity.png|thumb|450x450px|2. Cut the selection part from the audio clip]]

|[[File:Cut selected audio clip for moving to other place - audacity.png|thumb|450x450px|2. Cut the selection part from the audio clip]]

|[[File:Paste selected audio clip to other place - audacity.png|thumb|450x450px|3. Pasting selected audio clip]]

|[[File:Paste selected audio clip to other place - audacity.png|thumb|450x450px|3. Pasting selected audio clip]]

|}

|}

Hear  the original audio file [[File:Interview - why Digital Story telling is important 1 (original).ogg|original]]<br> Hear the edited audio file[[File:Interview - why Digital Story telling is important 2 (edited).ogg]] Using audacity we have selected a part of the audio track and moved this part.

Listen to the following clips - the original interview on Digital Story Telling and the edited clip. Can you tell the difference?

|[[File:Interview - why Digital Story telling is important 1 (original).ogg|original]]

|[[File:Interview - why Digital Story telling is important 2 (edited).ogg]]  

Using audacity we have selected a part of the audio track and moved this part.

==== Adding background music ====

==== Adding background music ====