Title:
DEVICE AND METHOD FOR ACOUSTIC COMMUNICATION
Document Type and Number:
WIPO Patent Application WO/2011/071322
Kind Code:
A2
Abstract:
Disclosed is an acoustic communication method that includes filtering an audio signal to attenuate a high frequency section of the audio signal; generating a residual signal which corresponds to a difference between the audio signal and the filtered signal; generating a psychoacoustic mask for the audio signal based on a predetermined psychoacoustic model; generating a psychoacoustic spectrum mask by combining the residual signal with the psychoacoustic mask; generating an acoustic communication signal by modulating digital data according to the acoustic signal spectrum mask; and combining the acoustic communication signal with the filtered signal.
Application Number:
KR2010/008811
Publication Date:
June 16, 2011
Filing Date:
December 09, 2010
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO., LTD. (416 Maetan-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do 442-742, KR)
International Classes:
G10L21/02
Attorney, Agent or Firm:
LEE, Keon-Joo (Mihwa Bldg. 110-2, Myongryun-dong 4-ga, Chongro-gu, Seoul 110-524, KR)