Data processing: speech signal processing – linguistics – language – Audio signal bandwidth compression or expansion – With content reduction encoding
Reexamination Certificate
2002-01-14
2008-11-18
Hudspeth, David R. (Department: 2626)
Data processing: speech signal processing, linguistics, language
Audio signal bandwidth compression or expansion
With content reduction encoding
C704S500000, C704S502000, C704S503000, C704S504000
Reexamination Certificate
active
07454353
ABSTRACT:
In a method of producing a scalable data stream of at least two blocks of output data of a first coder and a block of output data of a second coder, wherein the at least two blocks of output data of the first coder together represent a current section of an input signal in the first coder, and wherein the block of output data of the second coder represents the same current section of the input signal, a determination data block for the current section of the input signal is written. In addition, the block of output data of the second coder, in the direction of transfer from a coding device to a decoding device, is written after the determination data block for the current section of the input signal. In addition, at least one block of output data of the first coder, in the direction of transfer, is written in front of the determination data block of the current section of the input signal, whereupon offset information is written into the scalable data stream indicating that the at least one block of output data of the first coder, in the direction of transfer, is in front of the determination data block. Thus a low-delay transfer and decoding of only the first scaling layer can be obtained.
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Grill Bernhard
Lutzky Manfred
Sperschneider Ralph
Teichmann Bodo
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung
Glenn Michael A.
Glenn Patent Group
Hudspeth David R.
Ng Eunice
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