Method and system for clear signal capture

Telephonic communications – Echo cancellation or suppression – Using digital signal processing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C379S406140

Reexamination Certificate

active

07965834

ABSTRACT:
A method and system for clear signal capture comprehend several individual aspects that address specific problems in improved ways. In addition, the method and system also comprehend a hands-free implementation that is a practical solution to a very complex problem. Individual aspects comprehended related to echo and noise reduction, and divergence control.

REFERENCES:
patent: 5937060 (1999-08-01), Oh
patent: 2004/0071284 (2004-04-01), Abutalebi et al.
patent: 2004/0218755 (2004-11-01), Marton et al.
patent: 2005/0131678 (2005-06-01), Chandran et al.
Jeannes et al., “Combined Noise and Echo Reduction in Hands-Free Systems: A Survey,” IEEE Transactions on Speech and Audio Processing, vol. 9, No. 8, Nov. 2001, pp. 808-820.
Schnaufer et al., “New Data-Reusing LMS Algorithms for Improved Convergence,” IEEE Conf. on Signals, Systems and Computers, 27th Asilomar Conf. ACSSC 1993, Nov. 1-3, 1993; vol. 2, pp. 1584-1588.
Benesty et al., “On Data-Reuse Adaptive Algorithms,” Intl. Workshop on Acoustic Echo and Noise Control (IWAENC 2003), Sep. 2003, Kyoto, Japan, pp. 31-34.
Chen, “Analysis of the Fast Data-Reuse NLMS Algorithm,” 1993, Dept. of Computer and Communication Engineering, Chienko Technology University (English Abstract attached (p. 3)).
Gustafsson et al., “Combined Acoustic Echo Control and Noise Reduction for Mobile Communications,” 5th European Conference on Speech Communication and Technology, Eurospeech '97, Rhodes, Greece, Sep. 22-25, 1997, European Conference on Speech Communication and Technology (Eurospeech), Grenoble: Esca, FR, vol. 3 of 5, Sep. 22, 1997, pp. 1403-1406.
Martin et al., “Coupled Adaptive Filters for Acoustic Echo Control and Noise Reduction,” Proceedings ICASSP 95, May 1995, pp. 3043-3046.
Scalart et al., “A system for speech enhancement in the content of hands-free radiotelephony with combined noise reduction and acoustic echo cancellation,” Speech Communication, Elsevier Science Publishers, Amsterdam, NL, vol. 20, No. 3-4, Dec. 1996, pp. 203-214.
Faucon et al., Echo and Noise Reduction for Hands-Free Terminals—State of the Art —, 5th European Conference on Speech Communication and Technology, Eurospeech '97, Rhodes, Greece, Sep. 22-25, 1997, European Conference on Speech Communication and Technology (Eurospeech), Grenoble: Esca, FR, vol. 5 of 5, Sep. 22, 1997, pp. 2423-2426.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and system for clear signal capture does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and system for clear signal capture, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and system for clear signal capture will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2662366

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.