Loading patent…
AssigneeDolby Laboratories Licensing Corporation
InventorsMichael J. Smithers, Michael M. Truman, Stephen D. Vernon, Kenneth J. Gundry
Estimating the term…
Codeword-position-caused encoder latency is reduced by avoiding the requirement for knowledge of the message prior to generating an error detecting or concealing codeword associated with the message. A pseudo error detecting or concealing codeword is inserted in place of the normal error detecting or concealing codeword appropriate for the segment of information to which the error detecting or concealing codeword relates. In order to satisfy the requirement of conventional decoders, the pseudo error detecting or concealing information must match or be appropriate for the segment so that the decoder sees the codeword and message segment as valid or error free. This is accomplished by modifying or perturbing at least a portion of the segment to which the pseudo codeword relates. The invention is particularly useful for maintaining the backward compatibility of audio data encoding formats in which the minimum latency is too long (e.g., computer games, where the player performs some operation leading to a sound, and that sound must not be perceptibly delayed with respect to the operation).
A method for reducing latency in the transmission of coded information relative to received information, wherein
A method for reducing latency in the transmission of coded information relative to received information, wherein the coded information is formatted into a frame that includes an encoded version of said received information or a modified form of an encoded version of said received information and a cyclic redundancy check (CRC) word having an assigned position preceding the encoded version of the received information or a modified form of the encoded version of the received information and that is valid for coded information in a first portion of the frame, comprising
Dependencies are inferred from the claim text.