Electrical audio signal processing systems and devices – Binaural and stereophonic – Quadrasonic
Reexamination Certificate
2011-07-26
2011-07-26
Lee, Ping (Department: 2614)
Electrical audio signal processing systems and devices
Binaural and stereophonic
Quadrasonic
C700S094000
Reexamination Certificate
active
07986789
ABSTRACT:
A multi-channel input signal having at least three original channels is represented by a parameter representation of the multi-channel signal. A first balance parameter, a first coherence parameter, or a first inter-channel time difference between a first channel pair and a second balance parameter, or a second coherence parameter, or a second inter-channel time difference parameter between a second channel pair are calculated. This set of parameters is the parameter representation of the original signals. The first channel pair has two channels, which are different from two channels of a second channel pair. Furthermore, each channel of the two channel pairs is one of the original channels, or a weighted combination of the original channels, and the first channel pair and the second channel pair include information on the three original channels. For multi-channel reconstruction purposes, the parameters are used in addition to down-mixing information to generate a selectable number of output channels in a scalable fashion.
REFERENCES:
patent: 2002/0067384 (2002-06-01), Anderson et al.
patent: 2002/0067834 (2002-06-01), Shirayanagi
patent: 2005/0157883 (2005-07-01), Herre et al.
patent: 2005/0169486 (2005-08-01), Irwan
patent: 09-505193 (1997-05-01), None
patent: 2002-244698 (1997-08-01), None
patent: 2002-175097 (2002-06-01), None
patent: 569551 (2004-01-01), None
patent: WO92/12607 (1992-07-01), None
patent: WO 03/007656 (2003-01-01), None
patent: WO 03/090208 (2003-10-01), None
patent: WO2004/008805 (2004-01-01), None
patent: WO 2004/008865 (2004-01-01), None
patent: WO 2005/025241 (2005-03-01), None
Herre, J., et al. Intensity Stereo Coding. AES Covention. Amsterdam.
Faller, C., et al. Binaural Cue Coding Applied to Stereo and Multi-channel Audio Compression. AES 112th Convention. May 10-13, 2002. Munich, Germany.
Johnston, J., et al. Sum-Difference Stereo Transform Coding. 1992. IEEE.
Baumgarte, F., et al. Binaural Cue Coding—Part I: Psychoacoustic Fundamentals and Design Principles. IEEE Transactions on Speech and Audio Prcoessing. vol. 11. No. 6. Nov. 2003.
Baumgarte, F., et al. Binaural Cue Coding—Part II: Schemes and Applications IEEE Transactions on Speech and Audio PRcoessing. vol. 11. No. 6. Nov. 2003.
Translation of Japanese Office Action for related Japanese application No. 2007-505521; mailing date of Office Action Aug. 18, 2009.
Liu, et al.; “A New Intensity Stereo Coding Scheme for MPEG1 Audio Encoder—Layers I and II”; Aug. 1996; IEEE Transactions on Consumer Electronics, vol. 42, No. 3.
Engdegard Jonas
Kjoerling Kristofer
Purnhagen Heiko
Roeden Jonas
Villemoes Lars
Coding Technologies AB
Glenn Michael A.
Glenn Patent Group
Lee Ping
LandOfFree
Method for representing multi-channel audio signals 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 for representing multi-channel audio signals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for representing multi-channel audio signals will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2648952