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Protection for Web Delivered Music Patcharinee Tientrakool EE 6886: Topics in Signal Processing - Multimedia Security System Digital Music Distribution Online music store e.g. iTunes music store Internet radio Peer-to-peer network e.g. KaZaA PROTECTION Main Technologies for

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protection for web delivered music

Protection for Web Delivered Music

Patcharinee Tientrakool

EE 6886: Topics in Signal Processing - Multimedia Security System

digital music distribution
Digital Music Distribution
  • Online music store
  • e.g. iTunes music store
  • Internet radio
  • Peer-to-peer network
      • e.g. KaZaA

PROTECTION

slide3

Main Technologies

for

Music Content Protection

Encryption

Watermarking

Help when an object is

transmitted through a channel

Prove copyrights

Trace illegal distribution

slide4

Creation of Protected music content

Watermark

Encryption Key

Plain

music

Watermarked

music

Protected

music

Watermark

Embedding

Encryption

scope of study
Scope of study
  • Watermarking techniques for web delivered music content
  • DRM systems currently in the market
slide6

Watermarking

Music sheet

Audio file

in image files

or

while printing

e.g. real time watermarking

audio watermarking
Audio watermarking
  • LSB coding
  • Watermarking the phase of the host signal
  • Echo hiding
  • Spread spectrum watermarking
  • Methods using various characteristics of the host audio
music sheet watermarking
Music sheet watermarking
  • Grayscale Approach
  • Pixel Based Approach
    • Staff line-Modulation
    • Block Based Data Hiding
  • Symbol Oriented Approach
    • horizontal distances
    • thickness of some musical symbols or their elements
    • orientation or shape of musical symbols
scope of study9
Scope of study
  • Watermarking techniques for web delivered music content
  • DRM systems currently in the market
digital rights management systems drm systems
Digital Rights ManagementSystems(DRM systems)
  • Architectures for protection of IPR.
  • Several components :

user identification

authentication

encryption

copy protection

copy control

access control

digital watermarking

digital fingerprinting

pay systems

license agreement

scope of study12
Scope of study
  • Watermarking techniques for web delivered music content
  • DRM systems currently in the market