Digital Audio Watermarking: An Overview

Abstract

Abstract

A real watermarking procedure is required for copyright security and confirmation of protected innovation. This work recommends an advanced watermarking procedure which makes utilization of concurrent recurrence veiling to conceal the watermark data. The calculation is grounded on Psychoacoustic auditory model and Spread spectrum hypothesis. It creates a watermark sign utilizing spread range hypothesis and implants it into the sign by measuring the covering edge utilizing modified Psychoacoustic auditory model. The contrast between the first and the watermarked duplicate is intangible as the watermark is formed to lie beneath the veiling edge. Recuperation of the watermark is performed without the learning of the first flag.

Keywords: Watermarking, Psychoacoustic auditory model, copyright security