Tamper recovery algorithm for digital speech signal based on DWT and DCT.
Zhenghui LiuDa LuoJiwu HuangJ. WangChuanda QiPublished in: Multim. Tools Appl. (2017)
Keyphrases
- speech signal
- recovery algorithm
- speech recognition
- discrete cosine transform
- discrete wavelet transform
- digital watermarking
- additive noise
- non stationary
- watermarked image
- hidden markov models
- subband
- image compression
- multiresolution
- spatial domain
- fundamental frequency
- jpeg compression
- image authentication
- noisy images
- transform domain
- lossy compression
- speech quality
- frequency domain
- dct coefficients
- digital content
- image coding
- high frequency
- image quality
- wavelet transform