An AMR adaptive steganographic scheme based on the pitch delay of unvoiced speech.

Yanzhen Ren Dengkai Liu Jing Yang Lina Wang

Published in: Multim. Tools Appl. (2019)

Keyphrases

speech quality
speech signal
speech recognition
text to speech
digital images
packet loss
formant frequencies
fundamental frequency
non stationary
acoustic features
secret data
audio visual
automatic speech recognition
noisy environments
spectral analysis
linear prediction