Multiplicative watermarking of audio in DFT magnitude.
Jyotsna SinghParul GargAlok Nath DePublished in: Multim. Tools Appl. (2014)
Keyphrases
- audio signal
- frequency domain
- multimedia
- discrete fourier transform
- spread spectrum
- digital images
- signal processing
- fourier transform
- visual information
- watermarking algorithm
- audio stream
- music information retrieval
- audio signals
- copyright protection
- watermarking scheme
- fourier coefficients
- robust image watermarking
- audio video
- digital watermarking
- digital video
- image processing operations
- audio recordings
- speaker identification
- data hiding
- audio visual
- discrete wavelet transform
- digital image watermarking
- digital libraries
- fragile watermarking
- feature extraction