Changes

You can record an audio clip using your mobile phone itself, using any audio recording app, such as ‘[https://play.google.com/store/apps/details?id=com.sonymobile.androidapp.audiorecorder Audio Recorder]’. You can copy the audio file from your phone to your computer for editing and re-mixing to create OER. While recording, make sure that no copyright music or sound is playing in the background. We have recorded a short interview with a teacher on why Digital Storytelling is important, using a mobile phone. We  have copied this audio clip to our computer, by connecting the mobile phone to the computer with a data cable and renamed the file as ‘Interview - why Digital Storytelling.’

You can record an audio clip using your mobile phone itself, using any audio recording app, such as ‘[https://play.google.com/store/apps/details?id=com.sonymobile.androidapp.audiorecorder Audio Recorder]’. You can copy the audio file from your phone to your computer for editing and re-mixing to create OER. While recording, make sure that no copyright music or sound is playing in the background. We have recorded a short interview with a teacher on why Digital Storytelling is important, using a mobile phone. We  have copied this audio clip to our computer, by connecting the mobile phone to the computer with a data cable and renamed the file as ‘Interview - why Digital Storytelling.’

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

Click [[File:Interview - why Digital Story telling is important 1 (original).ogg here]] to listen to the audio.

=== Edit audio resources using audio editor (using Audacity) ===

=== Editing audio resources using audio editor(Audacity) ===

You can use Audacity to edit your audio clips. Audacity is a simple yet powerful application for audio editing. You can also use it to record audio.

You can use Audacity to edit your audio clips. Audacity is a simple yet powerful application for audio editing. You can also use it to record audio.

Open Audacity  on your computer, through <u>Applications → Sound and Video → Audacity</u>

Open Audacity  on your computer, through <u>Applications → Sound and Video → Audacity</u>

[[File:Audacity_1_Option_Menu_To_Open.png|none|thumb|450x450px| Opening Audacity]]

[[File:Audacity_1_Option_Menu_To_Open.png|none|thumb|450x450px| Opening Audacity]]

We will need to ‘import’ the audio we have (of the teacher interview) into Audacity.

To edit an audio file, we will need to ‘import’ the audio we have (of the teacher interview) into Audacity. In Audacity, create a new track, choose <u>Track →  Add new →  Stereo track</u> Import your audio into Audacity through <u>File → Open</u>  and select your audio file

 

In Audacity, create a new track, choose <u>Track →  Add new →  Stereo track</u>

 

Import your audio into Audacity through <u>File → Open</u>  and select your audio file

[[File:Import_Audio.png|none|thumb|450x450px|Importing audio file into Audacity]]

[[File:Import_Audio.png|none|thumb|450x450px|Importing audio file into Audacity]]

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:

# Reducing background noise levels

# Reducing background noise levels

=== Moving a selection of audio ===

==== 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]]

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.

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.

=== Adding background music ===

==== Adding background music ====

You may want to add background music to an audio recording. It is easy to do this with Audacity. You will add a second track, to which you will add the background music. We can add as many tracks as we want, with one audio file per track.

You may want to add background music to an audio recording. It is easy to do this with Audacity. You will add a second track, to which you will add the background music. We can add as many tracks as we want, with one audio file per track.

[[File:Adding_a_track_in_Audacity_for_background_music.png|500x500px|Adding a track in Audacity for background music|thumb|none]]

[[File:Adding_a_track_in_Audacity_for_background_music.png|500x500px|Adding a track in Audacity for background music|thumb|none]]

==== Amplifying sound ====

==== Amplifying sound ====

You can  use the ‘amplify’ function to increase or reduce the sound level in a track.  

You can  use the ‘amplify’ function to increase or reduce the sound level in a track.  

Select  <u>Effect -> Amplify</u>.  Reduce the amplification by moving the slider leftward.  Increase  the amplification by moving the slider rightward.  

Select  <u>Effect -> Amplify</u>.  Reduce the amplification by moving the slider leftward.  Increase  the amplification by moving the slider rightward.  

[[File:Amplifying_(reducing)_the_background_music.png|none|thumb|450x450px| Reducing sound amplification]]<br>

[[File:Amplifying_(reducing)_the_background_music.png|none|thumb|450x450px| Reducing sound amplification]]<br>

[[:File:Audio file with background music amplified (reduced).ogg|Audio file with amplification]] (sound reduced)

[[:File:Audio file with background music amplified (reduced).ogg|Audio file with amplification]] (sound reduced)

<br>Audacity is particularly useful for a language teacher to create audio resources for language learning.

<br>Audacity is particularly useful for a language teacher to create audio resources for language learning.

=== Creating video resources using your video recorder (''on your mobile phone'') ===

=== Creating video resources===

====video resources using your video recorder (''on your mobile phone'') ====

You can record a video clip using your mobile phone itself, using the camera on the phone. While recording the video, take care to ensure that you are not shooting copyright materials or private spaces. You can copy the video file from your phone to your computer for editing and re-mixing to create OER.  

You can record a video clip using your mobile phone itself, using the camera on the phone. While recording the video, take care to ensure that you are not shooting copyright materials or private spaces. You can copy the video file from your phone to your computer for editing and re-mixing to create OER.  

=== Creating a video resource using a screen-casting tool (''RecordMyDesktop'') ===

==== Creating a video resource using a screen-casting tool (''RecordMyDesktop'') ====

Screen casting is also a very simple yet powerful way of creating a video resource. The RecordMyDesktop software records the computer output display as the video and audio. Additional audio spoken or played during the recording is also recorded as a part of the video.

Screen casting is also a very simple yet powerful way of creating a video resource. The RecordMyDesktop software records the computer output display as the video and audio. Additional audio spoken or played during the recording is also recorded as a part of the video.

[[File:RecordMyDesktop_1_Main_Window.png|none|thumb|450x450px| RecordMyDesktop main window]]

[[File:RecordMyDesktop_1_Main_Window.png|none|thumb|450x450px| RecordMyDesktop main window]]