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Product codes, due to their relatively large minimum distance, are often seen as a natural solution for applications requiring low error floors. In this paper, we show by means of an ensemble weight enumerator analysis that the minimum distance multiplicities of product codes are much higher than those obtainable by other generalized LDPC (GLDPC) constructions employing the same component codes. W
A speech data packet loss concealment algorithm based on pitch period repetition is presented and a novel low complexity method to refine a pitch period estimate is introduced. Objective performance measurements show that this pitch refinement improves the quality of packet loss concealment. Hardware-software codesign techniques have been investigated to implement the algorithm. Using a coprocesso
The goal of this paper is to combine corpus methodology with experimental methods to gain insights into the nature of antonymy as a lexico-semantic relation and the degree of antonymic canonicity of word pairs in language and in memory. Two approaches to antonymy in language are contrasted, the lexical categorical model and the cognitive prototype model. The results of the investigation support th
