TY - GEN
T1 - On the channel characteristic of dither modulation data hiding for MP3 compression
AU - Martínez-Noriega, Raúl
AU - Nakano, Mariko
AU - Yamaguchi, Kazuhiko
PY - 2009
Y1 - 2009
N2 - In this paper, we focus on the channel characteristics of audio files when MPEG 1 layer III (MP3) compression is applied. We propose a data hiding scheme which achieves 61.25 bits per second, around 39 bits of benefit than [1] which uses turbo codes. Our scheme embeds binary data on specific sub-bands in wavelet domain using dither modulation. Those specific sub-bands were found to be more robust against compression. To achieve better payload, low-density parity-check (LDPC) codes are used. The advantage of this scheme relies on obtaining more reliable log-likelihood ratio (LLR) using a multi-channel configuration which provides different channel information according to each wavelet sub-band. The embedded information does not introduce audible distortion, the audio's quality is SNR higher than 30 dB for all tested audio files.
AB - In this paper, we focus on the channel characteristics of audio files when MPEG 1 layer III (MP3) compression is applied. We propose a data hiding scheme which achieves 61.25 bits per second, around 39 bits of benefit than [1] which uses turbo codes. Our scheme embeds binary data on specific sub-bands in wavelet domain using dither modulation. Those specific sub-bands were found to be more robust against compression. To achieve better payload, low-density parity-check (LDPC) codes are used. The advantage of this scheme relies on obtaining more reliable log-likelihood ratio (LLR) using a multi-channel configuration which provides different channel information according to each wavelet sub-band. The embedded information does not introduce audible distortion, the audio's quality is SNR higher than 30 dB for all tested audio files.
KW - Audio
KW - Data hiding
KW - Dither modulation
KW - LDPC codes
UR - http://www.scopus.com/inward/record.url?scp=73849094431&partnerID=8YFLogxK
U2 - 10.1109/IIH-MSP.2009.170
DO - 10.1109/IIH-MSP.2009.170
M3 - Contribución a la conferencia
AN - SCOPUS:73849094431
SN - 9780769537627
T3 - IIH-MSP 2009 - 2009 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing
SP - 90
EP - 93
BT - IIH-MSP 2009 - 2009 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing
T2 - IIH-MSP 2009 - 2009 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing
Y2 - 12 September 2009 through 14 September 2009
ER -