Using freely available audio and video materials can make it much easier to create your own Open Educational Resources (OER). Here you can find relevant materials or filter the search results for materials under free licence:

• Wikimedia Commons: Category: Audio files
• Wikimedia Commons: Category: Videos
• Youtube
• Soundcloud
• CCMixter
• audiohub
• Audionautix
• MUSOPEN
• SoundBible
• freesound
• Geräuschesammler (Noise collector) (German)
• VEB Film Leipzig (German)
• Blender Cloud
• Starfrosch
• Vimeo
• Free Music Archive