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Attorney: Frommer Lawrence & Haug LLP., Frommer; William S., Smid; Dennis M.


Number of patents: 2
Last date: June 18, 2002

NumberTitleIssue Date
6408097Picture coding apparatus and method thereof
In a picture coding apparatus and a picture coding method, when a picture data is hierarchically coded, compression efficiency can be improved, and the deterioration of picture quality can be reduced. When a picture data is hierarchically coded by utilizi...
06/18/2002
6301558Audio signal coding with hierarchical unequal error protection of subbands
An audio signal encoding apparatus is constructed by: means for separating an input audio signal into a plurality of hierarchical data on the basis of a frequency; a plurality of encoding means for respectively encoding the plurality of hierarchical data;...
10/09/2001
 
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