Northridge-based SmartSound Software announced last week that it has entereted into a partnership with Artbeats, a provider of royalty-free stock footage to provide its soundtrack creation tools and royalty-free music to Artbeats customers. Artbeats customers who purchase video footage products can receive SmartSound software and music as part of a bundling deal. SmartSound provides audio and music software and products targeted at adding audio content to video productions.