1,735
edits
Changes
From Open Educational Resources
→Removing Noise
Line 90:
Line 90:
n order to remove ‘noise,’ we must first tell Audacity what the ‘noise’ sounds like so it can be isolated within the audio. Do this by firstly selecting a portion of the audio where nobody is talking –like a break in conversation, so you just get the ‘noise.’ Next, go to ‘Effect’ and select ‘Noise Removal’ from the drop-down menu:
n order to remove ‘noise,’ we must first tell Audacity what the ‘noise’ sounds like so it can be isolated within the audio. Do this by firstly selecting a portion of the audio where nobody is talking –like a break in conversation, so you just get the ‘noise.’ Next, go to ‘Effect’ and select ‘Noise Removal’ from the drop-down menu:
−<<<image>>>
+<gallery mode="packed" heights="300px">
+File:Audacity - noise reduction 1.png|Select Noise reductio tool from effect menu
+File:Audacity - noise reduction - click OK 2.png|Select get noise profile and select OK
+</gallery>
From the dialogue box, select ‘Get Noise Profile.’ This will then take a sample of the ‘noise’ you wish to cancel out.Next, select ‘Edit’ from the top left of the screen, ‘Select...’and then ‘All’ to highlight the whole clip.Once you have highlighted the whole clip, return to the ‘Effect’ tab, choose ‘Noise Removal’ from the drop-down menu and then click ‘OK’ at the bottom of the dialogue box (see right). This will process the file and remove all of the ‘noise’ from your recording.
From the dialogue box, select ‘Get Noise Profile.’ This will then take a sample of the ‘noise’ you wish to cancel out.Next, select ‘Edit’ from the top left of the screen, ‘Select...’and then ‘All’ to highlight the whole clip.Once you have highlighted the whole clip, return to the ‘Effect’ tab, choose ‘Noise Removal’ from the drop-down menu and then click ‘OK’ at the bottom of the dialogue box (see right). This will process the file and remove all of the ‘noise’ from your recording.
