An Overview of Digital Watermarking on Audio

Gayathri Ramakrishnan

gram012@ec.auckland.ac.nz

ABSTRACT:

Digital watermarking is one of the key technologies that can be used for establishing ownership rights, tracking usage, ensuring authorized access, preventing illegal replication and facilitating content authentication. This paper primarily gives a brief introduction to digital watermarking techniques describing general framework, types, characteristics and applications of digital watermarking .Subsequently, explains digital watermarking techniques on Audio with few watermarking techniques algorithms available.