An overview of digital speech watermarking
MA Nematollahi, SAR Al-Haddad - International Journal of Speech …, 2013 - Springer
Digital speech watermarking is a robust way to hide and thus secure data like audio and
video from any intentional or unintentional manipulation through transmission. In terms of …
video from any intentional or unintentional manipulation through transmission. In terms of …
Quantitative methods of evaluating image segmentation
Q Huang, B Dom - Proceedings., international conference on …, 1995 - ieeexplore.ieee.org
Two sets of measures are proposed in this paper for quantitatively evaluating segmentation
results. The first set is designed for the situation where ground truth is available; while the …
results. The first set is designed for the situation where ground truth is available; while the …
[PDF][PDF] Bandwidth extension of speech signals: A comprehensive review
Telephone systems commonly transmit narrowband (NB) speech with an audio bandwidth
limited to the traditional telephone band of 300-3400 Hz. To improve the quality and …
limited to the traditional telephone band of 300-3400 Hz. To improve the quality and …
Bandwidth extension of telephone speech using a neural network and a filter bank implementation for highband mel spectrum
H Pulakka, P Alku - IEEE Transactions on Audio, Speech, and …, 2011 - ieeexplore.ieee.org
The limited audio bandwidth used in narrowband telephone systems degrades both the
quality and the intelligibility of speech. This paper presents a new method for the bandwidth …
quality and the intelligibility of speech. This paper presents a new method for the bandwidth …
High rate data hiding in ACELP speech codecs
A new method for hiding digital data in the bitstream of an ACELP speech codec is proposed
in this paper. The key element of our method is an alternative search strategy for the ACELP …
in this paper. The key element of our method is an alternative search strategy for the ACELP …
Bandwidth extension of speech signals: A catalyst for the introduction of wideband speech coding?
P Jax, P Vary - IEEE Communications Magazine, 2006 - ieeexplore.ieee.org
The restricted audio quality of today's telephone networks is mainly due to the narrowband
(NB) limitation to the frequency range from about 300 Hz to 3.4 kHz. Meanwhile, codecs for …
(NB) limitation to the frequency range from about 300 Hz to 3.4 kHz. Meanwhile, codecs for …
Devices for encoding and detecting a watermarked signal
SP Villette, DJ Sinder - US Patent 9,767,823, 2017 - Google Patents
(57) ABSTRACT A method for decoding a signal on an electronic device is described. The
method includes receiving a signal. The method also includes extracting a bitstream from …
method includes receiving a signal. The method also includes extracting a bitstream from …
[PDF][PDF] Mapping speech spectra from throat microphone to close-speaking microphone: A neural network approach
A Shahina, B Yegnanarayana - EURASIP Journal on Advances in Signal …, 2007 - Springer
Speech recorded from a throat microphone is robust to the surrounding noise, but sounds
unnatural unlike the speech recorded from a close-speaking microphone. This paper …
unnatural unlike the speech recorded from a close-speaking microphone. This paper …
Backwards compatible wideband telephony in mobile networks: CELP watermarking and bandwidth extension
We consider the problem of transmitting a wideband speech signal with a cut-off frequency
of fc= 7 kHz over a standardized narrowband (fc= 3.4 kHz) communication link in a …
of fc= 7 kHz over a standardized narrowband (fc= 3.4 kHz) communication link in a …
Speech watermarking for analog flat-fading bandpass channels
We present a blind speech watermarking algorithm that embeds the watermark data in the
phase of non-voiced speech by replacing the excitation signal of an autoregressive speech …
phase of non-voiced speech by replacing the excitation signal of an autoregressive speech …