Signal coding and decoding

Data processing: speech signal processing – linguistics – language – Audio signal bandwidth compression or expansion

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C381S022000

Reexamination Certificate

active

08010373

ABSTRACT:
An encoding device (1) and method convert a set of signals (l, r) into a dominant signal (m) containing most signal energy, a residual signal (s) containing a remainder of the signal energy, and signal parameters (IID, ICC) associated with the conversion. The dominant signal (m) and selected parts of the residual signal (s) are encoded. Selecting parts of the residual signal involves a residual signal (s′) passing perceptually relevant parts of the residual signal (s), attenuating perceptually less relevant parts of the residual signal and suppressing least relevant parts of the residual signal. An associated decoding device (2) and method decode the encoded dominant signal and the encoded residual signal so as to produce a decoded dominant signal (m′u) and a decoded residual signal (s′mod) respectively. A synthetic residual signal (s′syn) is derived from the decoded dominant signal (m′u) and is attenuated so as to produce an attenuated synthetic residual signal (s′syn,mod). The attenuated synthetic residual signal (s′syn,mod) and the decoded residual signal (s′mod) are combined to produce a reconstructed residual signal (s′). The decoded dominant signal (m′) and the reconstructed residual signal (s′) are then converted into a set of output signals (l′, r′).

REFERENCES:
patent: 4827517 (1989-05-01), Atal et al.
patent: 5136650 (1992-08-01), Griesinger
patent: 5434989 (1995-07-01), Yamaguchi
patent: 5870480 (1999-02-01), Griesinger
patent: 7330552 (2008-02-01), LaMance
patent: 7394903 (2008-07-01), Herre et al.
patent: 7447629 (2008-11-01), Breebaart
patent: 7573912 (2009-08-01), Lindblom
patent: 7646875 (2010-01-01), Schuijers et al.
patent: 2002/0039421 (2002-04-01), Kirkeby
patent: 2004/0086130 (2004-05-01), Eid et al.
patent: 2006/0009225 (2006-01-01), Herre et al.
patent: 2010/0046762 (2010-02-01), Henn et al.
patent: 0814639 (1997-12-01), None
Matti Karjalainen and Tuomas Paatero: “Generalized Source-Filter Structures for Speech Synthesis” Eurospeech, vol. 4, 2001, p. 2271, XP007004842 Aalborg, Denmark.
Burnett D C et al: “Rapid unsupervised adaptation to children's speech on a connected-digit task” Oct. 3, 1996, Spoken Language, 1996. ICSLP 96. Proceedings., Fourth International Conference on Philadelphia, PA, USA Oct. 3-6, 1996, New York, NY, USA,IEEE, US, pp. 1145-1148 , XP010237826 ISBN: 0-7803-3555-4.

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

Signal coding and decoding does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Signal coding and decoding, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Signal coding and decoding will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2704959

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