Patent ID: 9648282
Date: 2017-05-09
CPC Classifications: H04H,H04N

Claim:
1. A method for embedding of watermarks comprising identification information into a multimedia content, comprising: separating at least one audio component from other components of the multimedia content that is being received in real-time; embedding the separated audio component(s) imperceptibly and repeatedly with the watermarks comprising the identification information; and combining the other components of the multimedia content with the embedded audio component(s), while using a video delay unit configured to store a video component in a buffer as the separated audio component(s) are being embedded so as to accommodate delays caused at least in-part by embedding of the audio component, so that synchronization between segments of the other components of the multimedia content and corresponding segments of the embedded audio component(s) is preserved, wherein upon an indication that the at least one audio component is in analog form, converting the at least one audio component into digital form prior to the embedding and converting the at least one audio component back into analog form after the embedding.